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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
0.25X 2/3" GoldTL™ Telecentric Lens

#55-349 (0.25X)

#55-349 (0.25X)

Stock #55-349
€1,995.00
Qty 1
€1,995.00
Volume Pricing
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Primary Magnification PMAG:
0.25X
Maximum Sensor Format:
2/3"
FOV @ Max Sensor Format, H x V (mm):
35.2 x 26.4
Aperture (f/#):
f/6 - f/25
Working Distance (mm):
161 - 186
Coating:
MgF2 (400-700nm)
Mount:
C-Mount
Type:
Telecentric Lens
Coating Specification:
λ/4 MgF2 @ 550nm
Depth of Field (mm):
±8.2 at f/10 (20% @ 20 lp/mm)
Field of View, 1/2" Sensor:
25.6mm
Field of View, 2/3" Sensor:
35.2mm
Filter Thread:
M72 x 0.75
Length excluding Threads (mm):
196.3
Maximum Diameter (mm):
79.00
Number of Elements (Groups):
10 (7)
Numerical Aperture NA, Object Side:
0.021
Resolution, Image Space MTF @ f/10:
>55% @ 40 lp/mm
Stock No. of Mounting Clamp:
#56-026 Sold Separately
Typical Distortion @ 588nm (%):
0.400
Typical Telecentricity @ 588nm (°):
<0.040
Weight (kg):
1.44

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

  • Focusable to Allow for Working Distance Adjustment
  • High Light Throughput f/6 Designs
  • Designed for ½” and 2/3” Sensor Formats
  • <0.2° Telecentricity

TECHSPEC® GoldTL™ Telecentric Lenses were designed specifically for machine vision and metrology applications. The unique focusable design allows for working distance adjustment, while still providing <0.2° telecentricity. These lenses also feature high resolutions, low distortions, and are available for ½” or 2/3” sensors. TECHSPEC® GoldTL™ Telecentric Lenses have a front filter thread for easy integration of color filters, polarizers or other mounted components. Both the iris and focusing adjustment positions can be fixed by set screws to remain secure in high vibration environments.

Technical Information

Telecentric Lens Mounting Clamp Dimensions
Stock No.ABCDEFG
#56-02488mm16mm34mm94mm120mm101.6mm50mm
#56-02585mm17.5mm32.5mm91mm120mm101.6mm48.5mm
#56-026103mm39.5mm107mm103mm90mm55.5mm
#56-027134mm55mm148mm134mm122mm81mm

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