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All Products / Imaging Lenses / Telecentric Lenses / GoldTL™ Telecentric Lenses
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

0.73X ½" GoldTL™ Telecentric Lens

#58-256 (0.73X)

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Stock #58-256 3-5 days
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Iris Option:
Variable
Length excluding Threads (mm):
200.10
Horizontal Field of View, 1/2" Sensor:
8.8mm
Filter Thread:
M62 x 0.75 (Female)
Maximum Diameter (mm):
68.00
Weight (kg):
1.1
Maximum Image Circle (mm):
9.00
Numerical Aperture NA, Object Side:
0.061
Stock No. of Mounting Clamp:
#56-024 Sold Separately
Resolution, Image Space MTF @ f/10:
>65% @ 40 lp/mm
Number of Elements (Groups):
10 (7)
Note:
GoldTL™
Horizontal Field of View, 1/1.8" Sensor:
9.9mm
Typical Telecentricity @ 588nm (°):
<0.003
Typical Distortion @ 588nm (%):
0.100
Type:
Telecentric Lens
Primary Magnification PMAG:
0.73X
Maximum Sensor Format:
1/1.8"
Working Distance (mm):
98 - 123
Mount:
C-Mount
Aperture (f/#):
f/6 - f/19.5
Coating:
λ/4 MgF2
Depth of Field (mm):
±0.95 at f/10 (20% @ 20 lp/mm)
FOV @ Max Sensor Format, H x V (mm):
9.9 x 7.4
Lens Wavelength Range:
VIS

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
View
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Product Family Description

  • High Resolution Telecentric Lens for Measurement and Gauging
  • Up to 5 MegaPixels, 3.45μm Pixel Size Sensors
  • Up to 2/3", C-Mount Telecentric Lens
  • Magnification from 0.06X to 1X

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.

#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Distortion Plot
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Distortion Plot
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Relative Illumination Plot
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Relative Illumination Plot
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Telecentricity Plot
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Telecentricity Plot
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Modulated Transfer Function (MTF) Plot, 110mm Working Distance, f6
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Modulated Transfer Function (MTF) Plot, 110mm Working Distance, f6
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Depth of Field Plot, 110mm Working Distance, f6
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Depth of Field Plot, 110mm Working Distance, f6
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Modulated Transfer Function (MTF) Plot, 110mm Working Distance, f10
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Modulated Transfer Function (MTF) Plot, 110mm Working Distance, f10
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Depth of Field Plot, 110mm Working Distance, f10
#58-256, 0.73X ½" GoldTL™ Telecentric Lens, Depth of Field Plot, 110mm Working Distance, f10

Technical Information

Telecentric Lens Mounting Clamp Dimensions
Stock No. A B C D E F G
#56-024 88mm 16mm 34mm 94mm 120mm 101.6mm 50mm
#56-025 85mm 17.5mm 32.5mm 91mm 120mm 101.6mm 48.5mm
#56-026 103mm — 39.5mm 107mm 103mm 90mm 55.5mm
#56-027 134mm — 55mm 148mm 134mm 122mm 81mm