{"title":"Image Intensifier Tubes","description":"\u003cp\u003eExplore Exosens image intensifier tubes across the ECHO, OPS, 4G and 5G ranges, available with P43 green or P45 white phosphor.\u003c\/p\u003e\u003cp\u003eDirect online purchase is available only for approved destinations and remains subject to availability, end-use and export-control checks. Exosens 5G products are supplied only to approved military and government customers by enquiry.\u003c\/p\u003e","products":[{"product_id":"exosens-echo14-image-intensifier-tube","title":"Exosens ECHO14 Image Intensifier Tube","description":"\u003cp\u003eECHO14 is an 18 mm-format image intensifier with a 14 mm active input window (useful photocathode diameter) available with P43 green phosphor or P45 white phosphor.\u003c\/p\u003e\u003cp\u003eExternal gain control (EGAC) is supplied as standard and is configured for a 180 kΩ control circuit.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFigure of Merit (FOM): 1400–1800\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: minimum 20\u003c\/li\u003e\n\u003cli\u003eCentre resolution: minimum 57 lp\/mm\u003c\/li\u003e\n\n\u003cli\u003eUseful photocathode diameter: minimum 14 mm\u003c\/li\u003e\n\u003cli\u003eAutogated\u003c\/li\u003e\n\u003cli\u003eEGAC: 180 kΩ\u003c\/li\u003e\n\u003cli\u003eP43 gain: 9,000–15,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eP45 gain: 8,000–12,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eMaximum mass: 80 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease check the drawing and specification sheet before ordering. Direct purchase is available only for delivery to countries on our approved shipping list.\u003c\/p\u003e\u003ch3\u003eDrawings and specification sheets\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePhosphor\u003c\/th\u003e\n\u003cth\u003eExosens type\u003c\/th\u003e\n\u003cth\u003eDrawing\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP43 green\u003c\/td\u003e\n\u003ctd\u003eZBG1577B\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/183-1577A2.pdf\" target=\"_blank\"\u003e183-1577A2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8861A0.pdf\" target=\"_blank\"\u003e184-8861A0\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP45 white\u003c\/td\u003e\n\u003ctd\u003eZBW1577B\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/183-1577A2.pdf\" target=\"_blank\"\u003e183-1577A2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8863A0.pdf\" target=\"_blank\"\u003e184-8863A0\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eUK prices include VAT. For eligible international destinations, UK VAT is removed automatically; destination import VAT, duties and clearance charges may apply.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThe tube has the same external body size as an 18 mm-format tube, with a 14 mm active input window and three contact pads. The 14 mm measurement describes the useful photocathode diameter, not the external tube size. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailability and lead time:\u003c\/strong\u003e In-stock tubes are dispatched on our normal schedule. If a tube is not currently in stock, it remains available to order with a lead time of up to four weeks. We will confirm the expected dispatch date after your order.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"18 mm format \/ 14 mm window — 3-contact EGAC \/ Green - P43","offer_id":6882758262831,"sku":"ZBG1577B","price":1554.0,"currency_code":"GBP","in_stock":true},{"title":"18 mm format \/ 14 mm window — 3-contact EGAC \/ White - P45","offer_id":7679556223023,"sku":"ZBW1577B","price":1674.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/Image_20intensifier_20tubes_20ECHO14.jpg?v=1788591786"},{"product_id":"exosens-echo-image-intensifier-tube","title":"Exosens ECHO Image Intensifier Tube","description":"\u003cp\u003eManufactured by Exosens (formerly Photonis), ECHO is an 18 mm 10160-style, three-contact EGAC format image intensifier tube available with P43 green phosphor or P45 white phosphor.\u003c\/p\u003e\u003cp\u003eExternal gain control (EGAC) is supplied as standard and is configured for a 180 kΩ control circuit.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFigure of Merit (FOM): 1800–2200\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: minimum 23\u003c\/li\u003e\n\u003cli\u003eCentre resolution: minimum 57 lp\/mm\u003c\/li\u003e\n\u003cli\u003eHigh-light resolution at more than 200 lux: minimum 50 lp\/mm\u003c\/li\u003e\n\u003cli\u003eUseful photocathode diameter: minimum 17 mm\u003c\/li\u003e\n\u003cli\u003eAutogated\u003c\/li\u003e\n\u003cli\u003eEGAC: 180 kΩ\u003c\/li\u003e\n\u003cli\u003eP43 gain: 9,000–15,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eP45 gain: 8,000–12,000 cd\/m²\/lx\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis listing is for the 18 mm 10160-style, three-contact EGAC tube format only. Please check the drawing and specification sheet before ordering. Direct purchase is available only for delivery to countries on our approved shipping list.\u003c\/p\u003e\u003ch3\u003eDrawings and specification sheets\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePhosphor\u003c\/th\u003e\n\u003cth\u003eExosens type\u003c\/th\u003e\n\u003cth\u003eDrawing\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP43 green\u003c\/td\u003e\n\u003ctd\u003eZG1499E\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/183-1499A0.PDF?v=1788773657\" target=\"_blank\"\u003e183-1499A0\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8879A0.pdf\" target=\"_blank\"\u003e184-8879A0\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP45 white\u003c\/td\u003e\n\u003ctd\u003eZW1499F\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/183-1499A0.PDF?v=1788773657\" target=\"_blank\"\u003e183-1499A0\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8881A0.pdf\" target=\"_blank\"\u003e184-8881A0\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eUK prices include VAT. For eligible international destinations, UK VAT is removed automatically; destination import VAT, duties and clearance charges may apply.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThis is an 18 mm 10160-style tube with three contact pads. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailability and lead time:\u003c\/strong\u003e In-stock tubes are dispatched on our normal schedule. If a tube is not currently in stock, it remains available to order with a lead time of up to four weeks. We will confirm the expected dispatch date after your order.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"18 mm 10160-style — 3-contact EGAC \/ Green - P43","offer_id":7678671945775,"sku":"ZG0124B","price":2274.0,"currency_code":"GBP","in_stock":true},{"title":"18 mm 10160-style — 3-contact EGAC \/ White - P45","offer_id":7678672011311,"sku":"ZW1499F","price":2394.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/poopoopooop_19f467a1-1979-4a10-a152-f5f0bb2fa4e1.jpg?v=1724729387"},{"product_id":"exosens-echo-plus-image-intensifier-tube","title":"Exosens ECHO+ Image Intensifier Tube","description":"\u003cp\u003eManufactured by Exosens (formerly Photonis), ECHO+ is an 18 mm 10160-style, three-contact EGAC format image intensifier tube offering higher performance within the ECHO range. It is available with P43 green phosphor or P45 white phosphor.\u003c\/p\u003e\u003cp\u003eExternal gain control (EGAC) is supplied as standard and is configured for a 180 kΩ control circuit.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFigure of Merit (FOM): minimum 2200\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: minimum 25\u003c\/li\u003e\n\u003cli\u003eCentre resolution: minimum 57 lp\/mm\u003c\/li\u003e\n\u003cli\u003eHigh-light resolution at more than 200 lux: minimum 50 lp\/mm\u003c\/li\u003e\n\u003cli\u003eUseful photocathode diameter: minimum 17 mm\u003c\/li\u003e\n\u003cli\u003eAutogated\u003c\/li\u003e\n\u003cli\u003eEGAC: 180 kΩ\u003c\/li\u003e\n\u003cli\u003eP43 gain: 9,000–15,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eP45 gain: 8,000–12,000 cd\/m²\/lx\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis listing is for the 18 mm 10160-style, three-contact EGAC tube format only. Please check the drawing and specification sheet before ordering. Direct purchase is available only for delivery to countries on our approved shipping list.\u003c\/p\u003e\u003ch3\u003eDrawings and specification sheets\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePhosphor\u003c\/th\u003e\n\u003cth\u003eExosens type\u003c\/th\u003e\n\u003cth\u003eDrawing\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP43 green\u003c\/td\u003e\n\u003ctd\u003eZG1499H\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/183-1499A0.PDF?v=1788773657\" target=\"_blank\"\u003e183-1499A0\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8916A0.pdf\" target=\"_blank\"\u003e184-8916A0\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP45 white\u003c\/td\u003e\n\u003ctd\u003eZW1499J\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/183-1499A0.PDF?v=1788773657\" target=\"_blank\"\u003e183-1499A0\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8917A0.pdf\" target=\"_blank\"\u003e184-8917A0\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eUK prices include VAT. For eligible international destinations, UK VAT is removed automatically; destination import VAT, duties and clearance charges may apply.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThis is an 18 mm 10160-style tube with three contact pads. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailability and lead time:\u003c\/strong\u003e In-stock tubes are dispatched on our normal schedule. If a tube is not currently in stock, it remains available to order with a lead time of up to four weeks. We will confirm the expected dispatch date after your order.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"18 mm 10160-style — 3-contact EGAC \/ Green - P43","offer_id":7667289653295,"sku":"ZG0124C","price":2754.0,"currency_code":"GBP","in_stock":true},{"title":"18 mm 10160-style — 3-contact EGAC \/ White - P45","offer_id":7678812454959,"sku":"ZW1499J","price":2874.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/445558999965fgf_924b7f12-a9e8-4cf8-a2ab-18d85fa04013.jpg?v=1724728790"},{"product_id":"exosens-4g-image-intensifier-tube","title":"Exosens 4G Image Intensifier Tube","description":"\u003cp\u003eExosens 4G (formerly Photonis) is a high-performance image intensifier tube designed to provide excellent image quality and detection range in demanding low-light conditions.\u003c\/p\u003e\u003cp\u003ePositioned above ECHO and ECHO+ and below 4G+, 4G is the established mid-tier performance option in the current Exosens range. It combines fast auto-gating with an extended spectral response. P45 white tubes are available to order with a minimum Figure of Merit (FOM) of 1800 or 2000; select your preferred option above.\u003c\/p\u003e\u003cp\u003eExosens 5G sits at the top of the range and is available only by enquiry to approved military and government customers.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMinimum FOM: 1800 or 2000, according to the selected P45 white option\u003c\/li\u003e\n\n\u003cli\u003eMinimum signal-to-noise ratio: 28\u003c\/li\u003e\n\u003cli\u003eMinimum centre resolution: 64 lp\/mm\u003c\/li\u003e\n\u003cli\u003eHigh-light resolution: 55 lp\/mm\u003c\/li\u003e\n\u003cli\u003eFast auto-gating\u003c\/li\u003e\n\u003cli\u003eExtended spectral response\u003c\/li\u003e\n\u003cli\u003eP43 green or P45 white phosphor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer brochure\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.exosens.com\/system\/files\/2026-06\/Exosens%20NV_Leaflet%204G_VD_0.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload the current Exosens 4G product brochure (PDF)\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eThe brochure describes the 4G range rather than an individual tube. Please contact us before ordering if you require a particular specification beyond your selected minimum FOM.\u003c\/p\u003e\u003ch3\u003eChoosing the correct tube\u003c\/h3\u003e\u003cp\u003eThis product uses the 18 mm 10160-style, three-contact EGAC tube format. Please check the product images and compatibility with your device. Contact Deep Dark before ordering if you are unsure whether this version is suitable.\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThis is an 18 mm 10160-style tube with three contact pads. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003ch3\u003eOrdering and delivery\u003c\/h3\u003e\u003cp\u003eP45 white versions may be purchased online for delivery to approved countries. P43 green versions with minimum FOM 1800 or 2000 are available by enquiry only; please contact Deep Dark for availability and pricing. All orders remain subject to product availability and applicable destination, end-use and export-control checks. We may contact you for additional information before dispatch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailability and lead time:\u003c\/strong\u003e In-stock P45 tubes are dispatched on our normal schedule. If a P45 tube is not currently in stock, it remains available to order with a lead time of up to four weeks. We will confirm the expected dispatch date after your order. P43 remains enquiry-only.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"18 mm 10160-style — 3-contact EGAC \/ Green - P43 — enquiry only","offer_id":8764763209775,"sku":"","price":4475.0,"currency_code":"GBP","in_stock":false},{"title":"18 mm 10160-style — 3-contact EGAC \/ White - P45 — minimum FOM 1800","offer_id":8764775039023,"sku":"","price":4554.0,"currency_code":"GBP","in_stock":true},{"title":"18 mm 10160-style — 3-contact EGAC \/ White - P45 — minimum FOM 2000","offer_id":57411126395260,"sku":null,"price":4950.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/Image_20intensifier_20tube_204G_0.jpg?v=1788592658"},{"product_id":"exosens-4g-plus-image-intensifier-tube","title":"Exosens 4G+ Image Intensifier Tube","description":"\u003cp\u003e\u003cstrong\u003eP45 white backorders:\u003c\/strong\u003e If out of stock, you can still order. Please allow 4–5 weeks for dispatch. P43 green remains available by enquiry only.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Exosens (formerly Photonis).\u003c\/p\u003e\u003cp\u003eExosens 4G+ is a premium image intensifier tube designed for exceptional performance across challenging and rapidly changing low-light environments.\u003c\/p\u003e\u003cp\u003ePositioned above 4G, the 4G+ range combines a minimum Figure of Merit (FOM) of 2300 with very fast auto-gating, extended spectral sensitivity and a reduced halo around bright light sources. This helps preserve image detail and contrast in both extremely dark and dynamically lit conditions.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMinimum FOM: 2300\u003c\/li\u003e\n\u003cli\u003eMinimum signal-to-noise ratio: 30\u003c\/li\u003e\n\u003cli\u003eMinimum centre resolution: 72 lp\/mm\u003c\/li\u003e\n\u003cli\u003eHigh-light resolution: 55 lp\/mm\u003c\/li\u003e\n\u003cli\u003eVery fast auto-gating\u003c\/li\u003e\n\u003cli\u003eExtended spectral range: 350–1064 nm\u003c\/li\u003e\n\u003cli\u003eReduced halo around bright light sources\u003c\/li\u003e\n\u003cli\u003e18 mm 10160-style, three-contact EGAC tube format\u003c\/li\u003e\n\u003cli\u003eP43 green or P45 white phosphor\u003c\/li\u003e\n\u003cli\u003eEGAC supplied as standard, configured for 180 kΩ\u003c\/li\u003e\n\u003cli\u003eManufactured in the EU\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer brochure\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.exosens.com\/system\/files\/2026-06\/Exosens%20NV_Leaflet%204G%2B_VD_0.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload the current Exosens 4G+ product brochure (PDF)\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eChoosing your tube\u003c\/h3\u003e\u003cp\u003eSelect P45 white phosphor above to view pricing and availability. P43 green phosphor is available by enquiry only. Both options use the 18 mm 10160-style, three-contact EGAC format. Please confirm compatibility with your night-vision device before ordering, or contact Deep Dark if you need assistance.\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThis is an 18 mm 10160-style tube with three contact pads. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003ch3\u003eEnquiries and availability\u003c\/h3\u003e\u003cp\u003eP45 white phosphor is offered for online ordering to approved destinations, subject to availability. For P43 green phosphor, or if the white option is unavailable, please contact Deep Dark with your required quantity, delivery country and intended end use. Supply remains subject to availability, destination and end-use checks, our terms and conditions, and any applicable export controls.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"P43 Green","offer_id":57402780090748,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false},{"title":"P45 White","offer_id":57402780123516,"sku":null,"price":5490.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/Image_20intensifier_20tube_204GPLUS_20_281_29.jpg?v=1788592924"},{"product_id":"exosens-5g-image-intensifier-tube","title":"Exosens 5G Image Intensifier Tube","description":"\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Exosens (formerly Photonis).\u003c\/p\u003e\u003ch3\u003eRestricted product — enquiry only\u003c\/h3\u003e\u003cp\u003eExosens 5G is not available for online purchase. Supply is limited to approved military and government customers and is subject to customer eligibility, destination, end use, product availability, manufacturer approval and applicable export controls. Please contact Deep Dark to discuss your requirement.\u003c\/p\u003e\u003cp\u003eExosens 5G is Exosens’ highest-performing image intensifier technology, developed for demanding military and government night-vision applications. It provides increased image clarity, light gain and detection, recognition and identification performance across challenging light conditions.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMinimum FOM: 2500\u003c\/li\u003e\n\u003cli\u003eTypical FOM: 2800\u003c\/li\u003e\n\u003cli\u003eMinimum signal-to-noise ratio: 30\u003c\/li\u003e\n\u003cli\u003eMinimum limiting resolution: 82 lp\/mm\u003c\/li\u003e\n\u003cli\u003eHigh-light resolution at 200 lux: 62 lp\/mm minimum; 64 lp\/mm typical\u003c\/li\u003e\n\u003cli\u003eUp to 50% higher gain than standard image intensifiers\u003c\/li\u003e\n\u003cli\u003eDetection, recognition and identification ranges increased by up to 35%\u003c\/li\u003e\n\u003cli\u003eReduced image noise in very low light\u003c\/li\u003e\n\u003cli\u003eDesigned for high performance over a long service life\u003c\/li\u003e\n\u003cli\u003eP43 green or P45 white phosphor options, subject to specification and availability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer brochure\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.exosens.com\/system\/files\/2026-07\/Exosens_Leaflet%205G_08072026_VD.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload the current Exosens 5G product brochure (PDF)\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eEligibility and enquiries\u003c\/h3\u003e\u003cp\u003eTo request information or a quotation, please contact Deep Dark with your organisation, intended end user, destination country, required quantity and application. We will confirm eligibility and advise what supporting documentation is required.\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThis is an 18 mm 10160-style tube with three contact pads. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"Default Title","offer_id":57403079852412,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/Image_20intensifier_20tube_205G_halo_20new.jpg?v=1788593042"},{"product_id":"exosens-ops-4-image-intensifier-tube","title":"Exosens OPS.4 Image Intensifier Tube","description":"\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Exosens (formerly Photonis).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExosens OPS.4\u003c\/strong\u003e is a cost-effective image intensifier tube designed for dependable night-vision performance in training, situational-awareness and professional applications.\u003c\/p\u003e\u003cp\u003eIt is available from Deep Dark in an 18 mm 10160-style, three-contact EGAC format with either P43 green phosphor or P45 white phosphor. EGAC is supplied as standard, set to 180 kΩ.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFigure of merit (FOM): 1800 minimum\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: 26 minimum\u003c\/li\u003e\n\u003cli\u003eCentre resolution: 60 lp\/mm minimum\u003c\/li\u003e\n\u003cli\u003eHigh-light resolution at 200 lux: 50 lp\/mm minimum\u003c\/li\u003e\n\u003cli\u003eP43 luminous gain: 11,000–16,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eP45 luminous gain: 8,000–14,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eOperational lifetime: 10,000 hours\u003c\/li\u003e\n\u003cli\u003eEGAC: 180 kΩ as standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExosens OPS.4 range brochure\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.exosens.com\/system\/files\/2026-06\/Exosens%20NV_Leaflet%20OPS.4%20%26%20OPS.4%2B_VD_0.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload the current Exosens OPS.4 and OPS.4+ range brochure (PDF)\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eManufacturer specification sheets\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-9197A0.pdf\" target=\"_blank\" rel=\"noopener\"\u003eOPS.4 P43 green — specification 184-9197A0\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-9205A0.pdf\" target=\"_blank\" rel=\"noopener\"\u003eOPS.4 P45 white — specification 184-9205A0\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEach tube is supplied with its individual data sheet. Please contact Deep Dark if you require a particular minimum specification.\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThis is an 18 mm 10160-style tube with three contact pads. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003ch3\u003eOrdering and availability\u003c\/h3\u003e\u003cp\u003eOPS.4 may be purchased online for delivery to countries included in Deep Dark’s approved shipping list. Orders remain subject to availability, destination and end-use checks, our terms and conditions, and any applicable export controls.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailability and lead time:\u003c\/strong\u003e In-stock tubes are dispatched on our normal schedule. If a tube is not currently in stock, it remains available to order with a lead time of up to four weeks. We will confirm the expected dispatch date after your order.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"P43 Green","offer_id":57403127955836,"sku":null,"price":2598.0,"currency_code":"GBP","in_stock":true},{"title":"P45 White","offer_id":57403127988604,"sku":"RW1499B","price":2754.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/Image_20intensifier_20tube_20OPS-V2_cf0bc1f9-9a69-417a-bcae-66538a60e734.jpg?v=1788593108"},{"product_id":"exosens-ops-4-plus-image-intensifier-tube","title":"Exosens OPS.4+ Image Intensifier Tube","description":"\u003cp\u003e\u003cstrong\u003eBackorders:\u003c\/strong\u003e If out of stock, you can still order. Please allow 4–5 weeks for dispatch.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Exosens (formerly Photonis).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExosens OPS.4+\u003c\/strong\u003e is the higher-performance version of OPS.4, offering improved image quality for training, situational-awareness and professional night-vision applications.\u003c\/p\u003e\u003cp\u003eIt is available from Deep Dark in 18 mm 10160-style, three-contact EGAC format with either P43 green phosphor or P45 white phosphor. EGAC is supplied as standard, set to 180 kΩ.\u003c\/p\u003e\u003ch3\u003eConfirmed specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUseful photocathode diameter: 17 mm\u003c\/li\u003e\n\u003cli\u003eFigure of merit (FOM): 2100 minimum\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: 27 minimum\u003c\/li\u003e\n\u003cli\u003eCentre resolution: 64 lp\/mm minimum\u003c\/li\u003e\n\u003cli\u003eHigh-light resolution at 200 lux: 50 lp\/mm minimum\u003c\/li\u003e\n\u003cli\u003eP43 luminous gain: 11,000–16,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eP45 luminous gain: 8,000–14,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eOperational lifetime: 10,000 hours\u003c\/li\u003e\n\u003cli\u003eEGAC: 180 kΩ as standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExosens OPS.4 range brochure\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.exosens.com\/system\/files\/2026-06\/Exosens%20NV_Leaflet%20OPS.4%20%26%20OPS.4%2B_VD_0.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload the current Exosens OPS.4 and OPS.4+ range brochure (PDF)\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eManufacturer specification sheets\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-9213A0.pdf\" target=\"_blank\" rel=\"noopener\"\u003eOPS.4+ P43 green — specification 184-9213A0\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-9221A0.pdf?v=1788547700\" target=\"_blank\" rel=\"noopener\"\u003eOPS.4+ P45 white — specification 184-9221A0\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEach tube is supplied with its individual data sheet. Please contact Deep Dark if you require a particular minimum specification.\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThis is an 18 mm 10160-style tube with three contact pads. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003ch3\u003eOrdering and availability\u003c\/h3\u003e\u003cp\u003eSelect P43 green or P45 white phosphor above to view pricing and current availability. Online ordering is available for countries included in our approved shipping list. Please contact Deep Dark if your chosen option is unavailable. Orders remain subject to availability, destination and end-use checks, our terms and conditions, and any applicable export controls.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"P43 Green","offer_id":57403153252732,"sku":null,"price":2874.0,"currency_code":"GBP","in_stock":true},{"title":"P45 White","offer_id":57403153285500,"sku":null,"price":2994.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/Image_20intensifier_20tube_20OPS-V2_cf0bc1f9-9a69-417a-bcae-66538a60e734.jpg?v=1788593108"},{"product_id":"exosens-echo14-plus-image-intensifier-tube","title":"Exosens ECHO14+ Image Intensifier Tube","description":"\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Exosens (formerly Photonis).\u003c\/p\u003e\u003cp\u003eExosens ECHO14+ is an 18 mm-format image intensifier with a 14 mm active input window (useful photocathode diameter) and three-contact EGAC available from Deep Dark with either P43 green phosphor or P45 white phosphor. EGAC is supplied as standard, set to 180 kΩ.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUseful photocathode diameter: 14 mm\u003c\/li\u003e\n\u003cli\u003eFigure of merit (FOM): 1800–2200\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: 23 minimum\u003c\/li\u003e\n\u003cli\u003eCentre resolution: 57 lp\/mm minimum\u003c\/li\u003e\n\u003cli\u003eP43 luminous gain: 9,000–15,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eP45 luminous gain: 8,000–12,000 cd\/m²\/lx\u003c\/li\u003e\n\u003cli\u003eMaximum mass: 80 g\u003c\/li\u003e\n\u003cli\u003eEGAC: 180 kΩ as standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eManufacturer specification sheets\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8882A0.pdf\" target=\"_blank\" rel=\"noopener\"\u003eECHO14+ P43 green — specification 184-8882A0\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/184-8883A0.pdf\" target=\"_blank\" rel=\"noopener\"\u003eECHO14+ P45 white — specification 184-8883A0\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/183-1577A2.pdf\" target=\"_blank\" rel=\"noopener\"\u003eECHO14-series 18 mm-format three-contact EGAC tube outline drawing — 183-1577A2\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEach tube is supplied with its individual data sheet. Please contact Deep Dark if you require a particular minimum specification.\u003c\/p\u003e\u003ch3\u003eTube format and gain control\u003c\/h3\u003e\u003cp\u003eThe tube has the same external body size as an 18 mm-format tube, with a 14 mm active input window and three contact pads. The 14 mm measurement describes the useful photocathode diameter, not the external tube size. The centre contact provides external gain control through a 180 kΩ EGAC circuit when used in a compatible three-contact device.\u003c\/p\u003e\u003cp\u003eIt can also be installed in a compatible standard two-contact device. In that configuration, the centre contact remains unconnected and the tube operates without user-adjustable manual gain, using its automatic brightness-control functions.\u003c\/p\u003e\u003cp\u003ePlease contact Deep Dark with your device manufacturer and model if you are unsure about compatibility.\u003c\/p\u003e\u003ch3\u003eOrdering and availability\u003c\/h3\u003e\u003cp\u003eECHO14+ may be purchased online for delivery to countries included in Deep Dark’s approved shipping list. Orders remain subject to availability, destination and end-use checks, our terms and conditions, and any applicable export controls.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUK prices include VAT. For eligible international destinations, UK VAT is removed automatically; destination import VAT, duties and clearance charges may apply. Orders are supplied DAP unless otherwise agreed for a larger order.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailability and lead time:\u003c\/strong\u003e In-stock tubes are dispatched on our normal schedule. If a tube is not currently in stock, it remains available to order with a lead time of up to four weeks. We will confirm the expected dispatch date after your order.\u003c\/p\u003e","brand":"Exosens","offers":[{"title":"P43 Green","offer_id":57403184152956,"sku":null,"price":1914.0,"currency_code":"GBP","in_stock":true},{"title":"P45 White","offer_id":57403184185724,"sku":"ZBW1577C","price":2010.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3019\/2174\/files\/Image_20intensifier_20tubes_20ECHO14.jpg?v=1788591786"}],"url":"https:\/\/deep-dark.co.uk\/collections\/image-intensifier-tubes.oembed","provider":"Deep Dark","version":"1.0","type":"link"}