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CHAROITE F1.4/23 mm 
2/3" C-Mount SWIR lens

 



Key features

  • Optimized for 800 - 1800 nm
  • For sensor sizes up to 2/3"
  • Compact and robust mechanics
  • Locking screws for iris and focus
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CHAROITE Lens F1.4 23mm C-Mount

CHAROITE SWIR lens is the standard solution for 2/3” sensors, optimized for the 800-1800 nm spectral range. Featuring a robust C-Mount design with locking screws and special SWIR coatings, it delivers high-contrast imaging even in harsh environments.

This compact 2/3" C-Mount SWIR lens is designed for the 800 - 1800 nm spectral range. With its robust mechanical design and locking screws for focus and iris it maintains its high optical imaging performance even in harsh environment. A special SWIR coating and internal lacquering reduces stray light, resulting in a high contrast images. The main application areas are Solar cell inspection, Food sorting, Agriculture observation and Geology analysis

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Technical specifications: CHAROITE F1.4/23 mm C-Mount

Type [standard]C
ID [standard]1063163
InterfaceC-Mount
Focal length [mm]23
Aperture range F/#F/1.4 ... F/11
Numerical aperture [object | image]- | 0.33
Maximum sensor size [mm]11
Maximum angle of view [°]27
Recommended magnification range-0.2 ... 0
Recommended working distance
range [mm]
98 ... ∞
Minimum working distance without
extension tubes [mm]
63
Filter thread [mm]M30.5 x 0.5
Storage temperature [°C]-25 … +70
Net weight [g]115
Additional info-
f'eff [mm]23.13
SF [mm]8.93
S'F' [mm]15.76
HH' [mm]-7.17
ß'P2.34
SEP [mm]18.82
S'AP [mm]-38.29
Σd [mm]32.25

Lens specifications glossary

 

Specification Description
Focal length Nominal focal length
Aperture range F/# Image space F-number range for infinity focus position
Numerical aperture Maximum real numerical aperture (depending on recommended magnification range either for infinity or respective fixed magnification)
Max. sensor size Image circle diameter
Max. angle of view Angle of view associated with maximum sensor size (depending on recommended magnification range either for infinity or respective fixed magnification)
Rec. magnification range Magnification range as recommended by Schneider-Kreuznach
Rec. working distance range Working distance, i.e. distance between object and first mechanical element, associated with recommended magnification range
Net weight weight of unpacked lens without lens cap
f'eff Effective focal length
SF Distance between vertex of first lens surface and object space focal point
S'F' Distance between vertex of last lens surface and image space focal point (back focal distance at infinity)
HH' Distance between principal planes
ß'P Pupil magnification (= exit pupil diameter / entrance pupil diameter)
SEP Distance between vertex of first lens surface and entrance pupil
S'AP Distance between vertex of last lens surface and exit pupil
Σ d Distance between vertices of first and last lens surface
s'A Flange focal distance (in air) for infinite object distance (depending on recommended magnification range either for infinity or respective fixed magnification)
ß' Magnification (= image size / object size), negative value because image is inverted
OO' Distance between object and image
Info  Unless otherwise stated all dimensions in this data sheet are in mm

 

Picture of the lens

CHAROITE Lens F1.4 23mm C-Mount

 

Technical drawing

charoite-f1-4-23mm-c-mount-1063163-technical-drawing.jpg

 

Relative illumination vs. image height

charoite-f1-4-23mm-c-mount-1063163-relative-illumination-vs-image-height.jpg

 

Distortion vs. image height

charoite-f1-4-23mm-c-mount-1063163-distortion-vs-image-height.jpg

 

Transmittance vs. wavelength

charoite-f1-4-23mm-c-mount-1063163-transmittance-vs-wavelength.jpg


MTF charts


 

Spectrum name SWIR
Wavelengths [nm] 920 1070 1220 1370 1520 1670
Rel. weights [%] 16.9 18.2 17.7 17.1 15.9 14.2
charoite-f1-4-23mm-c-mount-1063163-mtf-charts.jpg

 

OTHER SWIR-Lenses


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+49 (0) 671 601 0

 

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