Lens Models
Lens models are any interchangeable lens that has been marketed
Canon EF 20mm f/2.8 USM
 Summary |
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|---|---|
| Manufacturer | Canon 
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| Model | EF 20mm f/2.8 USM |
| Mount | Canon EF |
| Marketed | 1992 32 years ago |
 Optics |
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| Zoom |  |
| Focal length | 20mm |
| Aperture | f/2.8-22.0 |
| Closest focus | 0.25m |
| Elements/Groups | 11/9 |
| Lens type | Super wide angle |
| Maximum magnification | 0.140× |
| Negative size | 35mm |
| Aperture blades | 6 |
| Coating | Multi coated |
| Optical diagram |
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 Features |
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| Autofocus |  |
 Physical |
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| Weight | 405g |
| Length | 71mm |
| Diameter | 78mm |
| Filter thread | 72.0mm |
 Misc |
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| Link | https://global.canon/en/c-museum/product/ef312.html |
 Meta |
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