KEYENCE CA-LMHR04 Ultra high resolution Telecentric Macro Lens

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

Mount

C-mount

Pixel resolution
(US 3.5 µm: low magnification to US 4.4 µm: high magnification)

10 µm/pixcel^*4

Resolution

8.39 µm^*5

Environmental resistance

Ambient temperature

0 to +50 °C

Relative humidity

80%RH 以下（結露しないこと）

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.