OM System M.Zuiko Digital ED 8mm F1.8 Fisheye PRO vs Panasonic Leica DG Summilux 9mm 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 9mm F1.7 ASPH., against f/1.8 on the M.Zuiko Digital ED 8mm F1.8 Fisheye PRO.
- Closest focus: 0.10 m on the Leica DG Summilux 9mm F1.7 ASPH., against 0.12 m on the M.Zuiko Digital ED 8mm F1.8 Fisheye PRO.
- Max magnification: 0.25× on the Leica DG Summilux 9mm F1.7 ASPH., against 0.20× on the M.Zuiko Digital ED 8mm F1.8 Fisheye PRO.
- Weight: 130 g on the Leica DG Summilux 9mm F1.7 ASPH., against 315 g on the M.Zuiko Digital ED 8mm F1.8 Fisheye PRO.
M.Zuiko Digital ED 8mm F1.8 Fisheye PRO or Leica DG Summilux 9mm F1.7 ASPH.: which should you buy?
On published specs the M.Zuiko Digital ED 8mm F1.8 Fisheye PRO leads the Leica DG Summilux 9mm F1.7 ASPH. nowhere; buy it for its price, its handling or the lenses you already own.
Choose the Leica DG Summilux 9mm F1.7 ASPH. for its maximum aperture, closest focus, max magnification and weight.
On paper the Leica DG Summilux 9mm F1.7 ASPH. wins more rows (4 to 0); if the M.Zuiko Digital ED 8mm F1.8 Fisheye PRO's strengths are the ones you shoot with, and its price is lower where you buy, it can still be the better buy.
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|---|---|---|
| Lowest price today | $1,099.99 new | $549.99 new |
| Optics | ||
| Focal length | 8mm | 9mm |
| 35mm equivalent | 16mm equivalent | 18mm 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 | 17 / 15 | 12 / 9 |
| Aperture blades | 7 | 7 |
| Closest focus | 0.12 m | 0.10 m (best) |
| Max magnification | 0.20× | 0.25× (best) |
| Focus & handling | ||
| Autofocus | Yes (MSC) | Yes (Stepping motor) |
| Optical stabilisation | No | No |
| Weather sealed | Yes | Yes |
| Internal zoom | — | — |
| Aperture ring | No | No |
| Teleconverter compatible | No | No |
| Size & weight | ||
| Weight | 315 g | 130 g (best) |
| Diameter × length | 62 × 80 mm | 60.8 × 52 mm |
| Filter thread | — | 55 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.

