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  • Kowa LM1121TC Image #1

Kowa LM1121TC 2/3" 1.725-2.2x Telecentric Macro Zoom Lens

Quick Overview

2/3", 1.725-2.2x, C-Mount, 5 Megapixel Plus, Telecentric Macro Zoom
Overview

In a telecentric optical system, there is no change in magnification when focusing, and magnification is constant over working distances. Thus movement of an object does not change magnification. Therefore, it is suitable for measuring objects with high accuracy.

Features:

  • Telecentric lens with variable magnification
  • Able to adjust the magnification to match with the pixel size of the camera
  • Lenses are designed with an optical magnification that is ideal for over 5 megapixels
  • Distortion free lenses of less than 0.02%. TV distortion is limited to 0.25% on the entire image area even when used with a 5 megapixel camera
  • Produces high contrast and resolution in both the center and corners
  • Virtually no TV distortion of entire image area
  • Specifications
    Magnification 2.0x 2.2x 1.725x
    Objective N.A. 0.032 0.026 0.043
    Element 6 GROUPS 10 ELEMENTS
    Image Size 6.6x8.8mm 6.6x8.8mm 6.6x8.8mm
    Shooting Range VERTICAL: 3.3mm
    HORIZONTAL: 4.4mm
    DIAMETER: 5.5mm
    VERTICAL: 3.0mm
    HORIZONTAL: 4.0mm
    DIAMETER: 5.0mm
    VERTICAL: 3.8mm
    HORIZONTAL: 5.1mm
    DIAMETER: 6.4mm
    Distortion (TV) 0.004% 0.001% 0.011%
    Working Distance 111.4mm 109.4mm 114.8mm
    Flange Back 17.526mm in air
    Front/Rear Effective Dia. FRONT: ⌀36.3mm  REAR:⌀11.1mm
    Mount C-Mount    
    Exit Pupil -86.3mm -96.0mm -74.5mm
    Temperature Range -10 - +50°C
    Storage Temperature Range -20 - +60°C
    Telecentricity 99%
    Weight 420g
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    Kowa LM1121TC
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