OM System M.Zuiko Digital ED 25mm f/1.2 PRO vs OM System M.Zuiko Digital ED 45mm f/1.2 PRO
The bottom line
These cover different focal lengths — the OM System M.Zuiko Digital ED 25mm f/1.2 PRO is 25mm, the OM System M.Zuiko Digital ED 45mm f/1.2 PRO is 45mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 25mm f/1.2 PRO for standard, the OM System M.Zuiko Digital ED 45mm f/1.2 PRO for short-telephoto / portrait.
Choose the OM System M.Zuiko Digital ED 25mm f/1.2 PRO if…
- ✓You shoot wide — it starts at 25mm vs 45mm for landscapes, interiors and architecture.
- ✓You value portability — at 295g (10.4 oz) it's lighter than the 410g (14.5 oz) alternative for travel and all-day carry.
- ✓You like close-focus work — 0.18x magnification vs 0.12x.
Choose the OM System M.Zuiko Digital ED 45mm f/1.2 PRO if…
- ✓You need more reach — it goes to 45mm vs 25mm for distant subjects, wildlife and sport.
Where they differ
- ›Focal range: OM System M.Zuiko Digital ED 25mm f/1.2 PRO is 25mm, OM System M.Zuiko Digital ED 45mm f/1.2 PRO is 45mm — different framing and reach.
- ›Weight: the OM System M.Zuiko Digital ED 25mm f/1.2 PRO is 295g (10.4 oz) vs 410g (14.5 oz) — you'll feel the difference handheld.
Frequently asked
Is the OM System M.Zuiko Digital ED 25mm f/1.2 PRO or the OM System M.Zuiko Digital ED 45mm f/1.2 PRO better?
These cover different focal lengths — the OM System M.Zuiko Digital ED 25mm f/1.2 PRO is 25mm, the OM System M.Zuiko Digital ED 45mm f/1.2 PRO is 45mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 25mm f/1.2 PRO for standard, the OM System M.Zuiko Digital ED 45mm f/1.2 PRO for short-telephoto / portrait.
Who should choose the OM System M.Zuiko Digital ED 25mm f/1.2 PRO?
Choose the OM System M.Zuiko Digital ED 25mm f/1.2 PRO if you shoot wide — it starts at 25mm vs 45mm for landscapes, interiors and architecture. Choose it if you value portability — at 295g (10.4 oz) it's lighter than the 410g (14.5 oz) alternative for travel and all-day carry. Choose it if you like close-focus work — 0.18x magnification vs 0.12x.
Who should choose the OM System M.Zuiko Digital ED 45mm f/1.2 PRO?
Choose the OM System M.Zuiko Digital ED 45mm f/1.2 PRO if you need more reach — it goes to 45mm vs 25mm for distant subjects, wildlife and sport.
What is the main difference between the OM System M.Zuiko Digital ED 25mm f/1.2 PRO and the OM System M.Zuiko Digital ED 45mm f/1.2 PRO?
Focal range: OM System M.Zuiko Digital ED 25mm f/1.2 PRO is 25mm, OM System M.Zuiko Digital ED 45mm f/1.2 PRO is 45mm — different framing and reach.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 25mm | 45mm |
| Lens Type | Prime | Prime |
| Optical Elements | 14 | 14 |
| Optical Groups | 10 | 10 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.2 | f/1.2 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 9 |
| 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 | 47° | 27° |
| 35mm Equivalent | 50-50mm | 90-90mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | Stepping |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 20 cm | 50 cm |
| Max Magnification | 0.18x | 0.12x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $1,199 | $1,199 |
| Filter Size | 46mm | 62mm |
| Diameter | 68.5mm | 70mm |
| Length | 81mm | 89mm |
| Weight | 295g (10.4 oz) | 410g (14.5 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |
