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Manufacturer
Keyence
Country
Japan
Name
CA-LMHR04
Type
Mounting bracket
Description
Ultra high resolution Telecentric Macro Lens
Stock availability:
On request
Price: On request
On request
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| Model | CA-LMHR04*1 | |
| Optical magnification | x0.35 to x0.44 | |
| Max. compatible image/CCD size | 2/3' | |
| Field of view | 2/3': Low magnification 24.0 x 20.2 mm, High magnification 19.1 x 16.1 mm 1/1.8': Low magnification 20.1 x 15.1 mm, High magnification 16.0 x 12.0 mm | |
| F-stop range (aperture) | Low magnification: 4.4 to 18, High magnification: 5.5 to 22 | |
| Resolving power | Center/periphery: 120 cycles/mm | |
| WD | Low magnification: 112.7 mm, High magnification: 112.7 mm*2 | |
| TV distortion | Low magnification: 0.02 %, High magnification: 0.01 % | |
| Depth of field | Low magnification: 10.449 mm, High magnification: 6.612 mm*3 | |
| Pixel resolution (US 3.5 µm: low magnification to US 4.4 µm: high magnification) | 10 µm/pixcel*4 | |
| Mount | C-mount | |
| Resolution | 8.39 µm*5 | |
| Environmental resistance | Ambient temperature | 0 to +50 °C |
| Relative humidity | 35 to 80 % RH (No condensation) | |
| Weight | Approx. 400 g | |
| *1 The above values were calculated according to optical design values. Actual values for individual lenses will differ according to precision of assembly. *2 WD indicates the distance from the tip of the lens to the workpiece. Changing the magnification changes this distance. *3 The depth of field is a theoretical value calculated with an F-stop of 16 and a circle of least confusion of 40 µm. This varies depending on the F-stop. *4 The pixel resolution is the field of view per pixel. This varies depending on the camera used. US = Unit cell size (size of 1 pixel) The CA-LMHR Series can also be used at pixel resolutions other than those listed here depending on the optical magnification. *5 The smallest resolvable feature able to be detected under 550 nm wavelength light. |
