Lens · fisheye
Minolta MD 7.5mm f/4 Fisheye
Minolta · from 1977
Discontinued35mm
Minolta MD 7.5mm f/4 Fisheye: 12 elements in 8 groups, 355g.
- Focal length
- 7.5mm
- Max aperture
- f/4
- Mount
- Minolta MD
- Format
- 35mm
- Elements / groups
- 12 / 8
Known for
- Creative photography
- Specialty effects
Considerations
- Circular image
- Very specialized
- Manual focus and aperture (MD/MC bayonet; SLR lens)
Optical characteristics
Silverlog's editorial rating: our own judgement, not measured data.
Sharpness (wide)4, level 4 of 5
Sharpness (stopped)5, level 5 of 5
Contrast4, level 4 of 5
Flare resistance3, level 3 of 5
CA control3, level 3 of 5
Vignetting control3, level 3 of 5
Distortion control1, level 1 of 5
Silverlog's editorial rating, 1 to 5; five is best. Not lab-measured.
Versions
MD Fish-Eye Rokkor / Rokkor-X (MD I)
1977
Rokkor engraving, built-in 1A/FL-D/Y52/R60/80B/85 filters, 360 g
Same optics as the MC version of 1975
MD Fish-Eye Rokkor / Rokkor-X (MD II)
1978
Built-in filters changed to Normal/FL-D/Y52/R60/B12/A12
MD Fish-Eye (MD III)
1982
Plain 'MD', 355 g
Common issues
- Check for fungus
- Inspect aperture blades
Buying guide
Check aperture blade operation and focus smoothness, and inspect the glass for haze, fungus or cleaning marks.
Specifications
| Mount | Minolta MD |
| Focal Length | 7.5mm |
| Max Aperture | f/4 |
| Min Aperture | f/22 |
| Weight | 355g |
Optical design
| Formula | other |
| Elements | 12 |
| Groups | 8 |
| Coating | SRC (Minolta) |
Pricing
- Typical used price
- £400 - £700
- Mint
- ~£900
Indicative, no dated source.