LM8HC-VIS-SW
 
LM12HC-VIS-SW
 
 
LM16HC-VIS-SW
 
LM25HC-VIS-SW
 
 
LM35HC-VIS-SW
 
LM50HC-VIS-SW
 
Feature
 
KOWA SWIR Wavelength Range Compatible Lenses
Model Wavelength Sensor Size Specification Focal Length Focus
Shift-Corrected
HC-VIS-SW 450~2000nm 1inch 12MP Visible~SWIR(New VIS-SWIR Coating) 12,25,50mm
JC5M-IR 400~1400nm 2/3inch 5MP Visible~SWIR 16,25,35mm
HC-SW 1000~1800nm 1inch 1 MP SWIR 8,12,16,25,35,50mm  
 
Design of IR-Corrected Lenses

In addition to having high transmission, Kowa’s HC-VIS-SW series are IR-Corrected. The primary benefit for IR-Correction is that it allows an image to remain in focus even when the wavelength changes from visible to infrared or vice versa. With a standard visible, NIR or SWIR lens, a focus shift will occur due to differences in the refractive index if the wavelength fluctuates. However, by incorporating extra low dispersion (XD) glass and carefully aligning all internal lens elements, such focus shift problems are eliminated.

 
LM12HC-VIS-SW Transmission
 
Virtually Zero Focus Shift Design
 
Applications
 
Specification
Model Format Size (Inch) Focal Length Iris Range
(F-stop)
Focusing Range (m) Mount Field Angle(H×V) Size(mm)
4/3 1.2 1.1 1 1/1.2 2/3 1/1.8 1/2 1/3
LM8HC-VIS-SW - - - 8 F1.8〜F16 0.2〜∞ C 81.3×63.5 Φ58×79.5
LM12HC-VIS-SW - - - 12 F1.8〜F16 0.2〜∞ C 58.0×44.5 Φ38.5x73.5
LM16HC-VIS-SW - - - 16 F1.8〜F16 0.2〜∞ C 44.2×33.6 Φ39×78.2
LM25HC-VIS-SW - - 25 F1.8〜F16 0.2〜∞ C 29.2×22.0 Φ39x65.5
LM35HC-VIS-SW - 35 F1.8〜F16 0.2〜∞ C 20.4×15.4 Φ39×56.4
LM50HC-VIS-SW 50 F2.5〜F16 0.5〜∞ C 14.6×11.0 Φ39.5x71
Lineup
Model LM8HC-VIS-SW
Focal Length 8
Image Size (mm) 12.8×9.6(Φ16)
Iris Range
(F-stop)
F1.8〜F16
Focusing Range (m) 0.2〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 387(H)×272(V)
Angle of View (Degrees) 1 Inch 81.3×63.5
2/3 Inch 58.7×44.8
1/1.8 Inch 48.6×36.9
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) -1.4
Back Focus in Air (mm) 11.1
Mount C Mount
Filter Thread (mm) M55×P0.75
Size(mm)(∞) Φ58×79.5
Weight (g) 210
Temperature Range −10°C~+50°C
Model LM12HC-VIS-SW
Focal Length 12
Image Size (mm) 12.8×9.6(Φ16)
Iris Range
(F-stop)
F1.8〜F16
Focusing Range (m) 0.2〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 237(H)×175(V)
Angle of View (Degrees) 1 Inch 58.0×44.5
2/3 Inch 41.0×31.1
1/1.8 Inch 33.8×25.5
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) -1.4
Back Focus in Air (mm) 11.1
Mount C Mount
Filter Thread (mm) M34×P0.5
Size(mm)(∞) Φ38.5×73.5
Weight (g) 175
Temperature Range −10°C~+50°C
Model LM16HC-VIS-SW
Focal Length 16
Image Size (mm) 12.8×9.6(Φ16)
Iris Range
(F-stop)
F1.8〜F16
Focusing Range (m) 0.2〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 174(H)×129(V)
Angle of View (Degrees) 1 Inch 44.2×33.6
2/3 Inch 31.0×23.3
1/1.8 Inch 25.4×19.1
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) -0.81
Back Focus in Air (mm) 15.0
Mount C Mount
Filter Thread (mm) M30.5×P0.5
Size(mm)(∞) Φ39×78.2
Weight (g) 190
Temperature Range −10°C~+50°C
Model LM25HC-VIS-SW
Focal Length 25
Image Size (mm) 12.8×9.6(Φ16)
Iris Range
(F-stop)
F1.8〜F16
Focusing Range (m) 0.2〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 109(H)×81(V)
Angle of View (Degrees) 1 Inch 29.2×22.0
2/3 Inch 220.2×15.0
1/1.8 Inch 14.6×11.0
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) -0.93
Back Focus in Air (mm) 24.5
Mount C Mount
Filter Thread (mm) M27×P0.5
Size(mm)(∞) Φ39x65.5
Weight (g) 160
Temperature Range −10°C~+50°C
Model LM35HC-VIS-SW
Focal Length 35
Image Size (mm) 12.8×9.6(Φ16)
Iris Range
(F-stop)
F1.8〜F16
Focusing Range (m) 0.2〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 68(H)×51(V)
Angle of View (Degrees) 1 Inch 20.4×15.4
2/3 Inch 14.0×10.6
1/1.8 Inch 11.5×8.6
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) -0.37
Back Focus in Air (mm) 16.4
Mount C Mount
Filter Thread (mm) M34×P0.5
Size(mm)(∞) Φ39×56.4
Weight (g) 150
Temperature Range −10°C~+50°C
Model LM50HC-VIS-SW
Focal Length 50
Image Size (mm) 12.8×9.6(Φ16)
Iris Range
(F-stop)
F2.5〜F16
Focusing Range (m) 0.5〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 127(H)×95(V)
Angle of View (Degrees) 1 Inch 14.6×11.0
2/3 Inch 10.0×7.6
1/1.8 Inch 8.2×6.2
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) -0.08
Back Focus in Air (mm) 34.9
Mount C Mount
Filter Thread (mm) M30.5×P0.5
Size(mm)(∞) Φ39.5×71
Weight (g) 155
Temperature Range −10°C~+50°C