OM System M.Zuiko Digital ED 12mm f/2.0 vs Panasonic LEICA DG SUMMILUX 15mm f/1.7
The bottom line
These cover different focal lengths — the OM System M.Zuiko Digital ED 12mm f/2.0 is 12mm, the Panasonic LEICA DG SUMMILUX 15mm f/1.7 is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 12mm f/2.0 for wide-angle, the Panasonic LEICA DG SUMMILUX 15mm f/1.7 for wide-angle.
Choose the Panasonic LEICA DG SUMMILUX 15mm f/1.7 if…
- ✓You want more light and background blur — f/1.7 is faster than f/2, better for low light and subject separation.
Where they differ
- ›Aperture: the Panasonic LEICA DG SUMMILUX 15mm f/1.7 opens to f/1.7 vs the OM System M.Zuiko Digital ED 12mm f/2.0's f/2 — more light and shallower depth-of-field.
- ›Focal range: OM System M.Zuiko Digital ED 12mm f/2.0 is 12mm, Panasonic LEICA DG SUMMILUX 15mm f/1.7 is 15mm — different framing and reach.
Frequently asked
Is the OM System M.Zuiko Digital ED 12mm f/2.0 or the Panasonic LEICA DG SUMMILUX 15mm f/1.7 better?
These cover different focal lengths — the OM System M.Zuiko Digital ED 12mm f/2.0 is 12mm, the Panasonic LEICA DG SUMMILUX 15mm f/1.7 is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 12mm f/2.0 for wide-angle, the Panasonic LEICA DG SUMMILUX 15mm f/1.7 for wide-angle.
Who should choose the Panasonic LEICA DG SUMMILUX 15mm f/1.7?
Choose the Panasonic LEICA DG SUMMILUX 15mm f/1.7 if you want more light and background blur — f/1.7 is faster than f/2, better for low light and subject separation.
What is the main difference between the OM System M.Zuiko Digital ED 12mm f/2.0 and the Panasonic LEICA DG SUMMILUX 15mm f/1.7?
Aperture: the Panasonic LEICA DG SUMMILUX 15mm f/1.7 opens to f/1.7 vs the OM System M.Zuiko Digital ED 12mm f/2.0's f/2 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 12mm | 15mm |
| Lens Type | Prime | Prime |
| Optical Elements | 8 | 9 |
| Optical Groups | 7 | 7 |
| Aperture & Iris | ||
| Maximum Aperture | f/2 | f/1.7 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 7 | 7 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | Micro Four Thirds | Micro Four Thirds |
| Lens Mount | Micro Four Thirds | Micro Four Thirds |
| Angle of View | 84° | 72° |
| 35mm Equivalent | 24-24mm | 30-30mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | Stepping |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 20 cm | 20 cm |
| Max Magnification | 0.1x | 0.1x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $499 | $499 |
| Filter Size | 46mm | 46mm |
| Diameter | 56mm | 57.5mm |
| Length | 43.5mm | 36mm |
| Weight | 130g (4.6 oz) | 115g (4.1 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |






