Opto Engineering® - 20 years
Home Optics Macro & Fixed focal length lenses EN-9RT series
Compatible products
Main optical specifications
Focal length (mm) 35
Image circle diameter (mm) 16.0
Max sensor size 1″
Angle of view
1/1.8" (deg) 11.7
2/3" (deg) 14.3
1" (deg) 20.7
Advanced optical specifications
Working distance range (1) (m) 0.15 - inf
ƒ/N 1.8 - 22
Back focal length (mm) 16.8
Mechanical specifications
Iris control Manual
Focus control Manual
Mount C
Filter thread M40.5 x 0.5
Outer diameter (mm) 42.0
Length (2) (mm) 60.5
Mass (g) 150

Last update 02 Aug 2023



  1. Working distance: distance between the front end of the mechanics and the object.
  2. Measured from the front end of the mechanics to the camera flange at infinite focusing.
All product specifications and data are subject to change without notice to improve reliability, functionality, design or other. Photos and pictures are for illustration purposes only.


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Despite the efforts made to generate an error-free compatibility list, we always recommend to consult the Opto Engineering® technical support department before purchasing a compatible product. Opto Engineering® shall not be liable for any damage or malfunctioning caused by the incorrect selection of a compatible product.
Area scan camera 4112 x 2176 MP, Sony IMX267, CMOS Global shutter, 1", Mono, 1 GigE, POE, C mount
Area scan camera 4112 x 2176 MP, Sony IMX267, CMOS Global shutter, 1", Color, 1 GigE, POE, C mount
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