Vision Parts
LEM series industrial lens is the product researched and developed by ContrasTech Co., Ltd, which catering to the demands of recent market environment.
The quality of our lens is guaranteed by refined optical glasses, mature coating process and advanced optical structure.
Developed with high cost-performance ratio, the quality and performance are quite competitive with foreign counterparts.
With high resolution up to 5MP and unique distortion correction technology, LEM series lens enables our users to capture real and clear image, therefore it has been widely applied in industrial inspection, intelligent transportation and machine vision program.
Model | EFL | F No. | Image Size | Resolution | Max. F.O.V | Mount |
LEM0616-MP5 | 6 mm | f 1.6 | 1/1.8" | 5MP | 70¡Æ | C |
LEM0814-MP5 | 8 mm | f 1.4 | 1/1.8" | 5MP | 43.6¡Æ | C |
LEM1216-MP5 | 12 mm | f 1.6 | 2/3" | 5MP | 39.8¡Æ | C |
LEM1616-MP5 | 16 mm | f 1.6 | 2/3" | 5MP | 30¡Æ | C |
LEM2518-MP5 | 25 mm | f 1.8 | 2/3" | 5MP | 19.2¡Æ | C |
LEM3520-MP5 | 35 mm | f 2.0 | 2/3" | 5MP | 14.4¡Æ | C |
LEM5025-MP5 | 50 mm | f 2.5 | 2/3" | 5MP | 9.8¡Æ | C |
LEM7528-MP5 | 75 mm | f 2.8 | 1" | 5MP | 70.9¡Æ | C |
Model | LEM-7528-MP5 | |||
Sensor | 1" CCD/CMOS | |||
Image Format (H x V,D) | 12.8¡¿9.6,16 | |||
Image Size | 1" | |||
EFL | 75.0mm | |||
F Number | 2.8 | |||
F.O.V | ¡¡ | 1" | 2/3" | |
Diagonal | 11.4¡Æ | 7.9¡Æ | ||
Horizontal | 9.2¡Æ | 6.3¡Æ | ||
Vertical | 6.9¡Æ | 4.8¡Æ | ||
Back Focal Length | 17.69mm | |||
Lens Effective Diameter | Front | ∅29.40mm | ||
Back | ∅17.00mm | |||
Lens Construction | 06¿ù 05ÀÏ | |||
TV Distortion | <-0.07% | |||
Resolution | 5 Mega Pixel | |||
Relative Illumination | >97.6% | |||
Iris | Manual | |||
Max Chief Ray Angle | 8.29¡Æ | |||
M.O.D | 0.6m | |||
Mount | 1-32UNF | |||
TTL | 79.38mm | |||
Dimension(∅¡¿L) | ∅36¡¿63.35mm | |||
lens-LEM-cn.pdf