| Description | Industrial lens by Carl Zeiss | 
| Articlenumber (Eureca): | 06.11.0125 | 
| Origin: | Germany | 
| Manufacturer: | Carl Zeiss | 
| Designation | ZEISS Dimension 2/25 C | 
| Manufacturer ID | 2229-998 | 
| Focal length | 25 mm | 
| Mount | C | 
| Aperture range | 2–22 | 
| Lens elements / Groups | 13 / 8 | 
| Format | 4/3 ″ | 
| Focus range [mm] | 231.9–∞ mm | 
| Focus range [ft] | 0.77–∞ ft | 
| Min. free working distance [mm] | 152.5 mm | 
| Min. free working distance [ft] | 0.50 ft | 
| Angle of view diag. / hor. / vert. 1" | 34.50 / 28.97 / 19.54 ° (1″ Format) | 
| Angle of view diag. / hor. / vert. 4/3" | 45.91 / 37.41 / 28.55 ° (4/3″ Format) | 
| Diameter of image field 1″ [mm] | 16 mm | 
| Diameter of image field 1″ [inch] | 0.63 ″ | 
| Diameter of image field 4/3″ [mm] | 21.64 mm | 
| Diameter of image field 4/3″ [inch] | 0.83 ″ | 
| Flange focal distance [mm] | 17.526 mm | 
| Flange focal distance [inch] | 0.69 ″ | 
| Coverage at close range (1 ″) [mm] | 82.4 x 55.0 mm × mm | 
| Coverage at close range (4/3 ″) [mm] | 107.9 x 81.2 mm × mm | 
| Coverage at close range (1 ″) [inch] | 3.24 x 2.17 ″ | 
| Coverage at close range (4/3 ″) [inch] | 4.25 x 3.20 ″ | 
| Image ratio at close range | 1:6.3 | 
| Entrance pupil position (in front of image plane) [mm] | 63.8 mm | 
| Entrance pupil position (in front of image plane) [inch] | 2.51 ″ | 
| Exit pupil position (in front of image plane) [inch] | 1.53 ″ | 
| Exit pupil position (in front of image plane) [mm] | 38.9 mm | 
| Length (front to mount contact surface) (at inf.) [mm] | 60.0 mm | 
| Length (front to mount contact surface) (at MOD) [mm] | 60.0 mm | 
| Length (front to mount contact surface) (at inf.) [inch] | 2.36 ″ | 
| Length (front to mount contact surface) (at MOD) [inch] | 2.36 ″ | 
| Diameter (lens only) [mm] | 57.0 mm | 
| Diameter (with fixation screws) [mm] | 64.0 mm | 
| Diameter (lens only) [inch] | 2.24 ″ | 
| Diameter (with fixation screws) [inch] | 2.52 ″ | 
| Filter thread | M43 × 0.75 | 
| Weight | 283 g | 
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Last update: 06.14.2022
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