| Description | Cobra2 Fixed Focal Length Lenses | 
| Articlenumber (Eureca): | 06.23.0158 | 
| Origin: | China | 
| Manufacturer: | OPT | 
| Mount | C | 
| Focal length | 50 mm | 
| Aperture | 2.8–22 | 
| Image circle | 11 mm | 
| Working Distance | 400–∞ mm | 
| Filter thread | M27×P0.5 | 
| Distortion | 0.07 % | 
| Backfocus [mm] | 20.56 mm | 
| Weight | 0.06 kg | 
| Mount | C | 
| FOV angle horizontal (1/3″) | 5.58 ° | 
| FOV angle vertical (1/3″) | 4.21 ° | 
| FOV angle across (1/3″) | 6.95 ° | 
| FOV angle horizontal (1/2.5″) | 6.67 ° | 
| FOV angle vertical (1/2.5″) | 5.00 ° | 
| FOV angle across (1/2.5″) | 8.29 ° | 
| FOV angle horizontal (1/1.8″) | 8.28 ° | 
| FOV angle vertical (1/1.8″) | 6.17 ° | 
| FOV angle across (1/1.8″) | 10.28 ° | 
| FOV angle horizontal (2/3″) | 9.13 ° | 
| FOV angle vertical (2/3″) | 7.73 ° | 
| FOV angle across (2/3″) | 12.03 ° | 
For more information on matching sensor formats and fields of view, please refer to the datasheet.
Documents for download:
Datasheet of the lens series
Optical Technical Data of the Lens
Dimensional Drawnig of the lens
Other versions of the article and matching products:
Changes to the specifications by the manufacturer are possible without prior notice. Please contact us if needed or interested. We also advise you on the suitability of the product for a particular application and provide you with an individual price quote.
Last update: 05.03.2021
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