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| Description | Industrial lens by Carl Zeiss |
| Articlenumber (Eureca): | 06.11.0035 |
| Origin: | Germany |
| Manufacturer: | Carl Zeiss |
| Designation | Interlock 2.8/21 ZF.2 |
| Manufacturer ID | 2180-553 |
| Focal length | 21 mm |
| Mount | F |
| Aperture range | 2.8–22 |
| Format | 43 mm |
| Format | 1.7 ″ |
| Lens elements / Groups | 16 / 13 |
| Min. free working distance (object to sensor) [mm] | 220–∞ mm |
| Min. free working distance (object to sensor) [ft] | 0.72–∞ ft |
| Min. free working distance [mm] | 90–∞ mm |
| Min. free working distance [ft] | 0.29–∞ ft |
| Angular Field diag. / hor. / vert. | 90 / 81 / 59 ° (35 mm Format) |
| Diameter of image field [mm] | 43 mm |
| Diameter of image field [inch] | 1.7 ″ |
| Flange focal distance [mm] | 46.5 mm |
| Flange focal distance [inch] | ~1.8 ″ |
| Coverage at close range [mm] | 120 × 180 mm × mm |
| Coverage at close range [inch] | 4.7 × 7.1 ″ |
| Image ratio at MOD | 1:5 |
| Filter thread | M82 × 0.75 |
| Weight | 785 g |
Lens
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Last update: 06.28.2022
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