Machine Vision Lenses and Optics - STEMMER IMAGING


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Zeiss Interlock Compact

Large format lenses series with a M42-mount and 18 mm flange focal distance

The Interlock Compact lens series offers five lenses ranging from 21 mm focal length up to 85 mm and all come with a M42-mount and a short, 18 mm flange focal distance.

The short flange focal distance has two major advantages; Firstly, short focal length lenses can be designed in easier with less distortion; and second, the mechanical stability is strengthened as shorter extension rings can be used.

All lenses offer a 43 mm image circle, making them the right choice for large format area and line scan cameras. The full metal housing, locking screws for focus and aperture and their resilience to dust, water and vibration make them perfectly suitable for very harsh industrial environments.


  • Maximum image circle diameter: 43 mm
  • Lens mount: M42-mount
  • Minimum pixel size: 4.2 µm (2.5 µm for Interlock Compact 2,4/85 Z-M42-I)
  • Flange focal distance: 18 mm
  • Filter size: M52

Show products

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Model Image circle (mm) Filter thread Camera mount (optics) M.O.D. (mm) Focal length (mm) Max. sensor size Min. pixel size Aperture
ZEISS INTERLOCK COMPACT 2,4/25 Z-M42-I 43.00 M52 x 0.75 M42 x 1 163 25.00 43.2 mm 4.50 F 2.40
ZEISS INTERLOCK COMPACT 2,4/85 Z-M42-I 43.00 M52 x 0.75 M42 x 1 685 85.00 43.2 mm 4.50 F 2.40
ZEISS INTERLOCK COMPACT 2,8/21 Z-M42-I 43.00 M52 x 0.75 M42 x 1 160 21.00 43.2 mm 4.50 F 2.80
ZEISS INTERLOCK COMPACT 2/35 Z-M42-I 43.00 M52 x 0.75 M42 x 1 230 35.00 43.2 mm 4.50 F 2.00
ZEISS INTERLOCK COMPACT 2/50 Z-M42-I 43.00 M52 x 0.75 M42 x 1 370 50.00 43.2 mm 4.50 F 2.00
File Topics Size
Zeiss Interlock Compact 2,0/35
Data sheets
422.1 KB
Zeiss Interlock Compact 2,0/50
Data sheets
409.9 KB
Zeiss Interlock Compact 2,4/25
Data sheets
479.2 KB
Zeiss Interlock Compact 2,4/85
Data sheets
500.5 KB
Zeiss Interlock Compact 2,8/21
Data sheets
538.3 KB