C Series VIS-NIR Fixed Focal Length Lenses
Typical Transmission
UV Fixed Focal Length Lenses *Horizontal FOV-Field of View; calculated for 1/2" Sensor
Focal Length
(mm)
Max Sensor
Format
Aperture
(f/#)
Angular*
FOV (Horiz.)
FOV* at Min. Working
Distance (mm)
Minimum Working
Distance (m)
25 1" f/2,8 - f/16 14,0° 58,9 0,23 230 - 1200 30,0 25,4 33 M25,5 x 0,5 #57-542 €1.570,00
78 1" f/3,8 - f/16 4,4° 36,1 0,44 230 - 1200 62,5 109,3 446 M49,0 x 0,75 #57-543 €3.880,00
SWIR Coated Visible Fixed Focal Length Lenses
SWIR Fixed Focal Length Lenses
1.35 1.90
Wavelength (μm)
Spectral
Range (nm)
Dimensions (mm) Weight
(g)
Filter Thread
(Dia. x Pitch) Stock No. Price
Max Dia. Length
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fixed focal
length lenses
large format lenses
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variable
UV / IR / SWIR
magnification lenses
M12 / S-Mount
lenses
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zoom lenses specialty lenses
imaging filters /
accessories
• BBAR Coating up to 1000 nm
• Designed for True Factory Automation
• Supports up to ⅔" Sensors
TECHSPEC® C Series VIS-NIR Fixed Focal Length Lenses are designed for use in machine vision applications that
require NIR or VIS-NIR performance, with the working distance and resolution requirements of factory automation
and inspection in mind. Featuring large maximum apertures and a Broadband Anti-Reflection (BBAR) coating designed
out to 1000 nm, these high performance lenses can be used in even the most restrictive lighting conditions.
TECHSPEC® C Series VIS-NIR Fixed Focal Length Lenses are manufactured to a high tolerance, resulting in greater
levels of imaging performance and low lens-to-lens variation, assuring simple installing into multiple systems. By
combining high optical performance, industrial features, and small package size, the C Series VIS-NIR lenses represent
a new standard in factory automation optics. Also available with a VIS Broadband Anti-Reflection (BBAR)
Coating. Note: For IR imaging alone, #65-796 UV-VIS Cut Filter threads directly onto the M25,5 x 0,5 front filter
thread of each lens. Call for OEM quantity pricing.
TECHSPEC® C Series VIS-NIR Fixed Focal Length Lenses *Visit website for required filter thread adapter
Focal Length
(mm)
Max Sensor
Format
Horizontal FOV
2/3" Sensor
Horizontal FOV
1/1.8" Sensor
Horizontal FOV
½" Sensor
Working
Distance (mm)
Aperture
(f/#) Filter Thread Stock No. Price
3,5 1/1.8" – 41,2 mm - 102,8° 34,1 mm - 94,1° 0 - ∞ f/2 - f/11 M105 x 1,0* #39-937 €714,00
4,5 1/1.8" - 72,0 mm - 84,7° 61,9 mm - 76,7° 25 - ∞ f/2 - f/11 M58 x 0,75* #39-938 €714,00
6 1/1.8" – 110,3 mm - 62,1° 96,7 mm - 55,9° 75 - ∞ f/1,4 - f/16 M34 x 0,5* #39-939 €609,00
16 ⅔" 61,4 mm - 30,9° 50,1 mm - 25,5° 44,5 mm - 22,7° 100 - ∞ f/1,6 - f/16 M25,5 x 0,5 #67-714 €530,00
25 ⅔" 35 mm - 19,8° 29,9 mm - 16,2° 25,4 mm - 14,5° 100 - ∞ f/1,4 - f/16 M25,5 x 0,5 #67-715 €530,00
35 ⅔" 39,3 mm - 14,3° 32,0 mm - 11,7° 28,5 mm - 10,4° 165 - ∞ f/1,65 - f/22 M25,5 x 0,5 #67-716 €530,00
50 ⅔" 42,7 mm - 10,0° 34,9 mm - 8,2° 31,0 mm - 7,3° 250 - ∞ f/2,0 - f/22 M30,5 x 0,5 #67-717 €585,00
100
90
80
70
60
50
40
30
20
10
0
200 250 300 350 400 450 500 550 600 650 700 750 800
Wavelength (nm)
Transmission (%)
— #57-542
— #57-543
— Ordinary Lens
• Transmission from 230 - 1200 nm
• Compact Size for Easy System Integration
• Ideal for Use with Mounted Color Filters
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 10
nm. A monochromatic light source and narrow bandpass filter
are recommended to improve the overall performance of the
lens. The 78 mm lens (#57-543) has a removable C-mount
adapter, enabling it to be used with M42 x 0,75 (T2) mounts.
UV Fixed Focal Length Lenses
• Short Wave Infrared Coated Lenses for 800 nm to
2000 nm
• Works for Both NIR and SWIR Applications
• Supports up to 1" Sensor Format at f/1,4
Short Wave Coated Fixed Focal Length Lenses are an excellent
choice for use with SWIR cameras. The SWIR spectrum is an
ideal choice for a variety of applications, including solar cell
inspection, security, and biomedical imaging. When utilized in
conjunction with a SWIR camera, these lenses will solve such
diverse applications as to permit imaging through silicon, imaging
outdoors without additional illumination, or detecting
bruising on fruit.
100
50
0
0.80
Transmission (%)
SWIR Coated Visible Fixed Focal Length Lenses *Horizontal at 1" Sensor
Focal Length
(mm)
Max. Sensor
Format
Aperture
(f/#)
Min. Working
Distance (mm)
Angular Field
of View*
FOV at Min.
W.D. (mm)
Distortion
(%)
Filter Thread
(Dia. x Pitch) Mount Dimension
(Dia. x L, mm) Weight (g) Stock No. Price
8 1" f/1,4 - f/16 100 79,7° 165 < -2,0 M55,0 x 0,75 C-Mount 57,0 x 58,0 205 #83-815 €1.849,00
12,5 1" f/1,4 - f/16 300 55,6° 300 < -2,0 M35,0 x 0,5 C-Mount 42,0 x 52,0 160 #83-816 €1.849,00
16 1" f/1,4 - f/16 300 44,3° 235 < -1,0 M35,5 x 0,5 C-Mount 42,0 x 52.9 150 #83-817 €1.849,00
25 1" f/1,4 - f/16 300 20,2° 150 < -1,0 M35,5 x 0,5 C-Mount 42,0 x 43,0 135 #68-688 €1.849,00
35 1" f/1,4 - f/16 300 14,4° 100 < -0,5 M35,5 x 0,5 C-Mount 42,0 x 43,0 135 #68-689 €1.849,00
50 1" f/1,4 - f/16 500 14,5° 115 < -0,1 M40,5 x 0,5 C-Mount 47,5 x 48,0 210 #68-690 €1.849,00
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