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LM25JCR
LM25JCR
New
The Kowa LM25JCR is a fixed focal length manual iris lens which enables the user to adjust the lens exactly to their specifications.
Data sheet
| Lens Type | Fixed Focal Length Lens |
| Image Size | 2/3" (8.8 x 6.6 x 11mm) |
| Focal Length | 25mm |
| Iris Range (F-Stop) | F1.6 - Close |
| Minimum Focus Distance | 1.0m |
| Mount | C-Mount |
| Angle of View 2/3" (Hor. x Ver. x Dia.) | 21.0 x 15.7 x 26.3° |
| Angle of View 1/2" (Hor. x Ver. x Dia.) | 15.3 x 11.4 x 19.1° |
| Angle of View 1/3" (Hor. x Ver. x Dia.) | 11.5 x 8.6 x 14.3° |
| Field of View at M.O.D. 2/3" (Hor. x Ver. x Dia.) | 368 x 275 x 465mm |
| Field of View at M.O.D. 1/2" (Hor. x Ver. x Dia.) | 266 x 199 x 334mm |
| Field of View at M.O.D. 1/3" (Hor. x Ver. x Dia.) | 199.0 x 149.1 x 249.2mm |
| TV Distortion | -0.6% |
| Flange Back | 17.526mm in air |
| Back Focus | 10.32mm in air |
| Filter Thread Size | M30.5 x P0.5 |
| Front / Rear Effective Diameter | Front Φ14.6mm / Rear Φ10.7mm |
| Exit Pupil Location | -26.2mm |
| Temperature Range | -10°C ~ +45°C |
| Storage Temperature Range | -40°C ~ +60°C |
| Resolution: Center / Corner | Center 100lp/mm / Corner 40lp/mm |
| Weight | 54g |
More info
Manual Iris
Adjust iris by turning ring on lens until iris is open or closed to user's exact specifications
Fixed Focal Lens
Preset focus remains fixed to exact specifications throughout the life of the lens so the user does not have to worry about managing the focus of the lens