Lens Comparison
OM System M.Zuiko Digital ED 8-25mm f/4 PRO vs OM System M.Zuiko Digital ED 8mm f/1.8 Fisheye PRO
Key Differences
- OM System M.Zuiko Digital ED 8mm f/1.8 Fisheye PRO has a better maximum aperture (f/1.8 vs f/4).
- OM System M.Zuiko Digital ED 8mm f/1.8 Fisheye PRO has a better min focus distance (13 cm vs 23 cm).
- OM System M.Zuiko Digital ED 8mm f/1.8 Fisheye PRO has a better weight (315g (11.1 oz) vs 411g (14.5 oz)).
- OM System M.Zuiko Digital ED 8mm f/1.8 Fisheye PRO has a better length (84.6mm vs 88.4mm).
- OM System M.Zuiko Digital ED 8-25mm f/4 PRO has a better max magnification (0.23x vs 0.22x).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 8-25mm | 8mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 18 | 15 |
| Optical Groups | 13 | 11 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/1.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 7 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Micro Four Thirds | Micro Four Thirds |
| Lens Mount | Micro Four Thirds | Micro Four Thirds |
| Angle of View | − | − |
| 35mm Equivalent | 16-50mm | 16-16mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | Stepping |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 23 cm | 13 cm |
| Max Magnification | 0.23x | 0.22x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $999 | $999 |
| Filter Size | 72mm | − |
| Diameter | 77.5mm | 66mm |
| Length | 88.4mm | 84.6mm |
| Weight | 411g (14.5 oz) | 315g (11.1 oz) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
