Lens Models
Lens models are any interchangeable lens that has been marketed
Mamiya Sekor C 90mm
 Summary |
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|---|---|
| Manufacturer | Mamiya 
|
| Model | Sekor C 90mm |
| Mount | Mamiya RB67 |
 Optics |
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| Zoom |  |
| Focal length | 90mm |
| Aperture | f/3.8-32.0 |
| Closest focus | 0.20m |
| Elements/Groups | 7/5 |
| Diagonal angle of view | 52° |
| Maximum magnification | 0.510× |
| Negative size | 6×7 |
| Aperture blades | 8 |
 Features |
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| Autofocus | |
| Hood | 77mm push-on |
| Shutter model | Seiko |
 Physical |
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| Weight | 805g |
| Filter thread | 77.0mm |
 Misc |
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 Meta |
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| Sharing |
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