Рет қаралды 8,388
Relative infrared (specifically 915nm) response characteristics of three image intensifier technologies using a Pulsar L-915 20mW Class 1 (eye safe) laser illuminator.
The three image intensifiers are a Photonis 4G (INTENS), an L3 Unfilmed and a ITT t-filmed image intensifier. Each of the image intensifier technologies are well represented by the tubes used in this video.
Equipment Used:
1 x Photonis XP6 4G (INTENS) Image Intensifier P22 Phosphor
FOM 2296
SNR - 32.8
Resolution - 70lp/mm
Luminance Gain - 54353 fL/fc ~ 17310 cd/m^2/lx
EBI - .18 µlx ~ 1.8 x 10^-11 phot
1 x L3 OMNI VII (7) Unfilmed Image Intensifier P43 Phosphor
FOM 1952
SNR - 30.5
Resolution - 64lp/mm
Luminance Gain - 66398 fL/fc ~ 21146cd/m^2/lx
EBI - 0.3 x 10^-11 phot
1 x ITT OMNI VI (6) t-filmed Image Intensifier P43 Phosphor
FOM 1964
SNR - 30.6
Resolution - 64lp/mm
Luminance Gain - 68497 fL/fc ~ 21814 cd/m^2/lx
EBI - 1.3 x 10^-11 phot
1 x Samsung NX Mini Camera
3 x Litton 0.667x Relay Lens P/N 206812-100
3 x Litton M944 Night Vision Housings
1 x Litton 27mm f/1.2 t/1.3P/N 209950-100
1 x Litton 75mm f/1.3 t/1.35
1 x Pulsar L-915 Class 1 (eye safe) 915nm Infrared Laser Illuminator. www.pulsar-nv.c...
To eliminate as many variables as possible, a single 3x objective lens was swapped between each of the 3 Litton M944 housings. The quantity of each component used in this video is listed above.
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Video Soundtrack
Artist: Kygo
Song: Ed Sheeran - I See Fire (Kygo Remix)
/ ed-sheeran-i-see-fire-...
Night Vision
Image Intensifier
L3 Night Vision
ITT Night Vision
Photonis Echo
Harris Night Vision
Photonis Night Vision
INTENS
AN/PVS-14
AN/PVS -18
Photonis 4G
Photonis XP6
Infrared Illuminator
AN/PVS-15
#photonis4g #intens #imageintensifier