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All Products / Imaging Lenses / Fixed Focal Length Lenses / UV Fixed Focal Length Lenses
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25mm Standard UV Fixed Focal Length Lens

25mm Standard UV Fixed Focal Length Lens, #57-542

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C$2,520.00
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Field of View @ Min Working Distance (mm):
58.9
Iris Option:
Variable
Length (mm):
25.40
Horizontal Field of View, 1/2" Sensor:
58.9mm - 14.0°
Filter Thread:
M25.5 x 0.50
Maximum Diameter (mm):
30.0
Weight (g):
33.00
Maximum Image Circle (mm):
16.00
Type:
Fixed Focal Length Lens
Focal Length FL (mm):
25.00
Maximum Sensor Format:
1"
Working Distance (mm):
230 - ∞
Mount:
C-Mount
Aperture (f/#):
f/2.8 - f/16
Lens Wavelength Range:
UV-NIR

Regulatory Compliance

RoHS:
Not Compliant
Certificate of Conformance:
View
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Product Family Description

  • 1", C-Mount Lens
  • Spectral Range of 230 - 1200nm
  • 25mm to 78mm Focal Lengths

UV Fixed Focal Length Lenses are ideal for use in a variety of applications, including the surface inspection of circuits or fiber optics, quality control of semiconductor materials, or for locating oil contamination or leakage. Additional applications include forensic, pharmaceutical, or biomedical imaging, fluorescence, security, or counterfeit detection. UV Fixed Focal Length Lenses are manufactured from fused silica elements to provide excellent transmission from the ultraviolet to the near-infrared.

Note: These lenses are not corrected for chromatic aberration, and require refocusing when using an illumination source with a spectral bandwidth greater than 10nm. A monochromatic light source and narrow bandpass filter are recommended to improve the overall performance of the lens. The 78mm lens (#57-543) has a removable C-mount adapter, enabling it to be used with M42 x 0.75 (T2) mounts.