Katod

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JSC Katod is a Russian manufacturer of image intensifiers.

Products

Image Intensifier Tubes

Specifications

List of known specifications[1]
Tube lp/mm uA/lm @800 @850 SNR Gain> Gain< FOM EBI MTF30 MTF25 MTF15 MTF7.5 MTF2.5 BLR Halo Inv Dia NVG Comments
EPM-108G-00-22A 40 500 -- 40 5.5 -- -- 220 0.15 -- -- -- -- ? S25 Gen2
EPM-108G-10-22A 57 550 -- 45 22 50000 -- 1254 0.25 -- 50 72 88 -- -- N S25 Gen2 plus
EPM-108G-10-22B 51 550 -- 35 20 40000 -- 1020 0.25 -- 42 67 87 -- -- N S25 Gen2 plus
EPM-108G-10-22S 64 600 -- 50 24 55000 -- 1536 0.25 -- 55 78 90 -- -- N S25 Gen2 plus
EPM105G-03-22A 57 550 -- 45 22 50000 -- 1254 0.25 -- 50 72 88 -- -- N 43 S25 Gen2 plus 18mm GIFO Concave-R40
EPM105G-03-22B 51 550 -- 35 20 40000 -- 1020 0.25 -- 42 67 87 -- -- N 43 S25 Gen2 plus 18mm GIFO Concave-R40
EPM105G-03-22S 64 600 -- 50 24 55000 -- 1536 0.25 -- 55 78 90 -- -- N 43 S25 Gen2 plus 18mm GIFO Concave-R40
EPM105G-04-22A 57 550 -- 45 22 50000 -- 1254 0.25 -- 50 72 88 -- -- N 43 S25 Gen2 plus 18mm GIFO Flat
EPM105G-04-22B 51 550 -- 35 20 40000 -- 1020 0.25 -- 42 67 87 -- -- N 43 S25 Gen2 plus 18mm GIFO Flat
EPM105G-04-22S 64 600 -- 50 24 55000 -- 1536 0.25 -- 55 78 90 -- -- N 43 S25 Gen2 plus 18mm GIFO Flat
EPM105G-03-32A 57 550 -- 45 22 50000 -- 1254 0.25 -- 50 72 88 -- -- N 43 PVC-7B S25 Gen2 plus 18mm GIFO Concave-R38
EPM105G-03-32B 51 550 -- 35 20 40000 -- 1020 0.25 -- 42 67 87 -- -- N 43 PVC-7B S25 Gen2 plus 18mm GIFO Concave-R38
EPM105G-03-32S 64 600 -- 50 24 55000 -- 1536 0.25 -- 55 78 90 -- -- N 43 PVC-7B S25 Gen2 plus 18mm GIFO Concave-R38
EPM105G-03/1-32A 57 550 -- 45 22 50000 -- 1254 0.25 -- 50 72 88 -- -- N 43 PVS-7C S25 Gen2 plus 18mm GIFO Concave-R18
EPM105G-03/1-32B 51 550 -- 35 20 40000 -- 1020 0.25 -- 42 67 87 -- -- N 43 PVS-7C S25 Gen2 plus 18mm GIFO Concave-R18
EPM105G-03/1-32S 64 600 -- 50 24 55000 -- 1536 0.25 -- 55 78 90 -- -- N 43 PVS-7C S25 Gen2 plus 18mm GIFO Concave-R18
EPM105G-03/2-32A 57 550 -- 45 22 50000 -- 1254 0.25 -- 50 72 88 -- -- N 43 PVS-7A S25 Gen2 plus 18mm GIFO Concave-R14
EPM105G-03/2-32A 51 550 -- 35 20 40000 -- 1020 0.25 -- 42 67 87 -- -- N 43 PVS-7A S25 Gen2 plus 18mm GIFO Concave-R14
EPM105G-03/2-32A 64 600 -- 50 24 55000 -- 1536 0.25 -- 55 78 90 -- -- N 43 PVS-7A S25 Gen2 plus 18mm GIFO Concave-R14
EPM105G-03/3-32A 57 550 -- 45 22 50000 -- 1254 0.25 -- 50 72 88 -- -- N 43 PVS-7C S25 Gen2 plus 18mm GIFO Concave-R18 Short
EPM105G-03/3-32B 51 550 -- 35 20 40000 -- 1020 0.25 -- 42 67 87 -- -- N 43 PVS-7C S25 Gen2 plus 18mm GIFO Concave-R18 Short
EPM105G-03/3-32S 64 600 -- 50 24 55000 -- 1536 0.25 -- 55 78 90 -- -- N 43 PVS-7C S25 Gen2 plus 18mm GIFO Concave-R18 Short
EPM101
MNV-K mounted EPM101G (C-rated) tube photographed during field use. Crescent quarter moon, subject and tube both under partial forest canopy and clear sky. C-rated tubes have SNR between 20 and 27.

3rd generation tube, comes in quality ratings of B-A-C/S-F (low to high) where F-rated tube specs meet or exceed minimum requirements for military applications.

Notes

EPM101G

  • The second to best tier of the grading system for the EPM101G tube series is interchangeably referred to as C and S among english speakers, probably due to the scale being originally devised in kyrillic script where C is equalled to roman script S.
  • B and A Katod tubes are free to export and sell even outside of Russia while C require special permits and F are restricted to military and law enforcement use only. In spite of this both of the latter are available outside of Russia although F-grade tubes are very rare to find on the civilian market.

References