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          Lenses (for Machine Vision)CA-L series

          CA-LMHR40

          Ultra high resolution Telecentric Macro Lens x4

          SPECIFICATIONS

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          Model

          CA-LMHR40*1

          Optical magnification

          x3.45 to x4.41

          Max. compatible image sensor size

          2/3"

          Field of view

          2/3": Low magnification 2.4 x 2.1 mm 0.09"x 0.08", High magnification 1.9 x 1.6 mm 0.07" x 0.06"
          1/1.8": Low magnification 2.0 x 1.5 mm 0.08" x 0.06", High magnification 1.6 x 1.2 mm 0.06" x 0.05"

          F-stop range (aperture)

          Low magnification: 8.6 to 183, High magnification: 11 to 234

          Resolving power

          Center/periphery: 120 cycles/mm

          WD

          Low magnification: 65.9 mm 2.59", High magnification: 65.9 mm 2.59"*2

          TV distortion

          Low magnification: 0.015 %, High magnification: -0.002 %

          Depth-of-field

          Low magnification: 0.108 mm 0.004", High magnification: 0.066 mm 0.002"*3

          Pixel resolution
          (US 3.5 µm 0.14 Mil: low magnification to US 4.4 µm 0.17 Mil: high magnification)

          1 µm 0.04 Mil/pixel*4

          Mount

          C-mount

          Resolution

          1.68 µm 0.07 Mil*5

          Environmental resistance

          Ambient temperature

          0 to +50 °C 32 to 122 °F

          Relative humidity

          35 to 80 % RH (No condensation)

          Weight

          Approx. 650 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 1.57 Mil.
          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.

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