Lens Models
Lens models are any interchangeable lens that has been marketed
Mamiya Sekor C 100-200 f/5.2 W
 Summary |
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|---|---|
| Manufacturer | Mamiya 
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| Model | Sekor C 100-200 f/5.2 W |
| Mount | Mamiya RB67 |
| Marketed | 1974 50 years ago |
 Optics |
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| Zoom |  |
| Focal length | 100-200mm |
| Zoom ratio | 2.00× |
| Aperture | f/5.2-45.0 |
| Closest focus | 0.23m |
| Elements/Groups | 14/12 |
| Diagonal angle of view | 47-26° |
| Negative size | 6×7 |
| Coating | Multi coated |
 Features |
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| Autofocus |  |
 Physical |
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| Weight | 1660g |
| Filter thread | 77.0mm |
 Misc |
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| Link | https://rb67.helluin.org/lenses/c-100-200mm-f5-2-w/ |
 Meta |
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