N°1017774 · Family detail
SigmaFisheye·MINOLTA/SONY A mount
Sigma 4.5mm F/2.8 EX DC HSM Circular Fisheye
Specifications01
MountMINOLTA/SONY A
Focal length4mm
Max aperturef/2.8
TypeFisheye · Wide · Prime
Weight470 g
Physical length78 mm
Min focus distance14 m
Summary02
Sigma 4.5mm f/2.8 circular fisheye lens for Minolta/Sony A-mount, designed for full-frame fisheye effects. It uses a very wide 4.5mm focal length and a bright f/2.8 maximum aperture for low-light use.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Minolta / Sony A mount has a flange distance of 44.5 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- A-mount lenses have no aperture ring. Use an adapter with its own aperture control, or an electronic adapter.
- DT lenses cover APS-C only.
- Sony EAdapter · 26.5 mm
- Canon RFAdapter · 24.5 mm
- Nikon ZAdapter · 28.5 mm
- Fujifilm XAdapter · 26.8 mm
- L-MountAdapter · 24.5 mm
- Micro Four ThirdsAdapter · 25.25 mm
- Fujifilm G (GFX)Adapter · 17.8 mm
- Canon EF-MAdapter · 26.5 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.
Sources03
dpreview.comVisit ↗
Other Mounts03
This lens family is also indexed in 4 other mounts.