§ 03 Head to head
Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye vs Panasonic Leica DG Summilux 9mm F1.7 ASPH
Olympus 8mm f/1.8 has a wider field of view. Panasonic 9mm f/1.7 is 0.2 stops brighter maximum aperture.
Both lenses are made for the Micro Four Thirds mount: the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye is an 8mm f/1.8 prime, and the Panasonic Leica DG Summilux 9mm F1.7 ASPH is a 9mm f/1.7 prime. On paper the Panasonic Leica DG Summilux 9mm F1.7 ASPH comes out ahead, 6 advantages to 1, but which one suits you depends on what you shoot.
Panasonic Leica DG Summilux 9mm F1.7 ASPH 01
Key differences
Why is the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye better than the Panasonic Leica DG Summilux 9mm F1.7 ASPH?
- Wider field of view (8mm vs 9mm)
Why is the Panasonic Leica DG Summilux 9mm F1.7 ASPH better than the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye?
- 0.2 stops brighter maximum aperture (f/1.7 vs f/1.8)
- Longer reach (9mm vs 8mm)
- 185 g lighter (130 g vs 315 g)
- 10 mm shorter (52 mm vs 62 mm long)
- Focuses 2 cm closer (0.1 m vs 0.12 m)
- Newer design (2022 vs 2015)
02
Which should you buy?
- landscape For landscape photography, the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye has the edge: it goes wider, to 8mm against 9mm.
- architecture For architecture, the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye has the edge: it goes wider, to 8mm against 9mm.
- low-light For low-light shooting, the Panasonic Leica DG Summilux 9mm F1.7 ASPH has the edge: its f/1.7 aperture gathers more light than f/1.8.
- astrophotography For astrophotography, the Panasonic Leica DG Summilux 9mm F1.7 ASPH has the edge: its f/1.7 aperture gathers more light than f/1.8.
03
Specification
| Specification | Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye | Panasonic Leica DG Summilux 9mm F1.7 ASPH |
|---|---|---|
| Focal length | 8mm | 9mm |
| Maximum aperture | f/1.8 | f/1.7 ◆ |
| Minimum aperture | f/22 | f/16 |
| Lens type | Prime lens | Ultra-wide-angle prime lens |
| Format | Micro Four Thirds | Micro Four Thirds |
| Weight | 315 g (11.11 oz) | 130 g (4.59 oz) ◆ |
| Dimensions | 80 x 62 mm | 60.8 mm (diameter) x 52 mm (length) |
| Minimum focusing distance | 0.12 m (4.72 inches) | 0.095 m (3.74 in) ◆ |
| Maximum magnification | — | 0.25x |
| Image stabilization | No | No |
| Weather sealing | Yes | Yes (dust- and splash-resistant, freeze-proof down to -10°C) |
| Aperture ring | No | No |
| Aperture blades | 7 | 7 (rounded) |
| Optical construction | 17 elements / 15 groups | 12 elements in 9 groups |
| Filter size | — | 55 mm |
| Lens mount | Micro Four Thirds | Micro Four Thirds |
| Released | 2015 | 2022 |
| Price | $1,299.99 list price | — |
04
Size
- A · Olympus
- B · Panasonic
- 62 × 80 mm
- 52 × 60.8 mm
The Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye is 10 mm longer and 185 g heavier than the Panasonic Leica DG Summilux 9mm F1.7 ASPH.
05
Sample frames
Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye
Panasonic Leica DG Summilux 9mm F1.7 ASPH
06
Video reviews
07
Questions
- Which lens has the brighter aperture, the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye or the Panasonic Leica DG Summilux 9mm F1.7 ASPH?
- The Panasonic Leica DG Summilux 9mm F1.7 ASPH opens to f/1.7, against f/1.8 on the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye, 0.2 stops brighter.
- Which is lighter, the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye or the Panasonic Leica DG Summilux 9mm F1.7 ASPH?
- The Panasonic Leica DG Summilux 9mm F1.7 ASPH weighs 130 g, 185 g less than the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye (315 g).
- Which focuses closer, the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye or the Panasonic Leica DG Summilux 9mm F1.7 ASPH?
- The Panasonic Leica DG Summilux 9mm F1.7 ASPH focuses down to 0.1 m, against 0.12 m for the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye.
- Do the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye and the Panasonic Leica DG Summilux 9mm F1.7 ASPH have image stabilization?
- No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
- Is the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye or the Panasonic Leica DG Summilux 9mm F1.7 ASPH better for landscape photography?
- For landscape photography, the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye has the edge: it goes wider, to 8mm against 9mm.
- Is the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye or the Panasonic Leica DG Summilux 9mm F1.7 ASPH better for architecture?
- For architecture, the Olympus M.Zuiko Digital 8 mm f/1.8 ED PRO Fisheye has the edge: it goes wider, to 8mm against 9mm.
08



