OM System M.Zuiko Digital 17mm F1.8 II vs Panasonic Leica DG Summilux 15mm F1.7 ASPH.
Every published spec side by side, with today's lowest prices for the market you've chosen.
Key differences
- Maximum aperture: f/1.7 on the Leica DG Summilux 15mm F1.7 ASPH., against f/1.8 on the M.Zuiko Digital 17mm F1.8 II.
- Closest focus: 0.20 m on the Leica DG Summilux 15mm F1.7 ASPH., against 0.25 m on the M.Zuiko Digital 17mm F1.8 II.
- Max magnification: 0.10× on the Leica DG Summilux 15mm F1.7 ASPH., against 0.08× on the M.Zuiko Digital 17mm F1.8 II.
- Weather sealed: Yes on the M.Zuiko Digital 17mm F1.8 II, against No on the Leica DG Summilux 15mm F1.7 ASPH..
- Aperture ring: Yes on the Leica DG Summilux 15mm F1.7 ASPH., against No on the M.Zuiko Digital 17mm F1.8 II.
- Weight: 112 g on the M.Zuiko Digital 17mm F1.8 II, against 115 g on the Leica DG Summilux 15mm F1.7 ASPH..
M.Zuiko Digital 17mm F1.8 II or Leica DG Summilux 15mm F1.7 ASPH.: which should you buy?
Choose the M.Zuiko Digital 17mm F1.8 II for its weather sealed and weight.
Choose the Leica DG Summilux 15mm F1.7 ASPH. for its maximum aperture, closest focus, max magnification and aperture ring.
On paper the Leica DG Summilux 15mm F1.7 ASPH. wins more rows (4 to 2); if the M.Zuiko Digital 17mm F1.8 II's strengths are the ones you shoot with, and its price is lower where you buy, it can still be the better buy.
 |  | |
|---|---|---|
| Lowest price today | $549.99 new | $507.17 new $494.99 used |
| Optics | ||
| Focal length | 17mm | 15mm |
| 35mm equivalent | 34mm equivalent | 30mm equivalent |
| Maximum apertureLower f-number lets in more light. A zoom wins only when it is as bright at both ends. | f/1.8 | f/1.7 (best) |
| Minimum aperture | f/22 | f/16 |
| Made for | Micro Four Thirds | Micro Four Thirds |
| Elements / groups | 9 / 6 | 9 / 7 |
| Aperture blades | 7 | 7 |
| Closest focus | 0.25 m | 0.20 m (best) |
| Max magnification | 0.08× | 0.10× (best) |
| Focus & handling | ||
| Autofocus | Yes (MSC) | Yes (Stepping motor) |
| Optical stabilisation | No | No |
| Weather sealed | Yes (best) | No |
| Internal zoom | — | — |
| Aperture ring | No | Yes (best) |
| Teleconverter compatible | No | No |
| Size & weight | ||
| Weight | 112 g (best) | 115 g |
| Diameter × length | 57.6 × 37.6 mm | 57.5 × 36 mm |
| Filter thread | 46 mm | 46 mm |
Green marks the better figure where “better” is unambiguous. A dash means the maker doesn't publish it or we haven't verified it yet.