SirZ 75 SWIR 75mm F/1.4 Fixed Focal Lens

Key Features:

  • SWIR lenses deliver higher performance than standard visible lenses when using SWIR cameras
  • Fits 20.5mm Diagonal
  • The SWIR spectrum is an ideal choice for a variety of applications, including:
    • Solar cell inspection
    • Imaging through fog
    • Glass processing
    • Security
    • Biomedical imaging

Optical Specifications

Focal Length:

75mm

F/#:

f/1.4

Spectral Range:

0.9 - 1.6 μm

Image Format:

640 x 512 pixels,25 μm pixel size

Back Focal Length:

11.5mm

Cold Stop to FPA Distance:

N/A

Average Transmission (All elements AR coated):

≥ 95%

Horizontal FOV:

12.17°

Distortion:

< 1%

On-Axis MTF:

≥ 58% at 20 lp/mm theoretical

MOD:

40 meters

Mechanical Specifications

Max Dimensions:

Length = 112mm, Front OD = 68mm

Zoom Time (wfov to nfov):

N/A

Through-Zoom Boresight:

N/A

Weight:

621 grams

Mount:

M42 Mount

Operating Temperature:

-40 °C to +60°C

Storage Temperature:

- 40°C to + 80°C

Field of View Data

Field of View Data:
FOV (75mm)
HFOV 320x240 480x384 640x512
30 microns 7.29    
20 microns 6.09 9.09 12.04
15 microns 3.66 5.48 7.29
Optical Specifications
Focal Length

75mm
F/#

f/1.4
Spectral Range

0.9 - 1.6 μm
Image Format

640 x 512 pixels,25 μm pixel size
Back Focal Length

11.5mm
Cold Stop to FPA Distance

N/A
Average Transmission (All elements AR coated)

≥ 95%
Horizontal FOV

12.17°
Distortion

< 1%
On-Axis MTF

≥ 58% at 20 lp/mm theoretical
MOD

40 meters
Mechanical Specifications
Max Dimensions

Length = 112mm, Front OD = 68mm
Zoom Time (wfov to nfov)

N/A
Through-Zoom Boresight

N/A
Weight

621 grams
Mount

M42 Mount
Operating Temperature

-40 °C to +60°C
Storage Temperature

- 40°C to + 80°C
Field of View Data
Field of View Data
FOV (75mm)
HFOV 320x240 480x384 640x512
30 microns 7.29    
20 microns 6.09 9.09 12.04
15 microns 3.66 5.48 7.29