Panasonic Leica DG Summilux 15mm F1.7 ASPH § 03 Head to head
Panasonic Leica DG Summilux 15mm F1.7 ASPH vs Yongnuo YN 17 mm f/1.7 MFT
Panasonic 15mm f/1.7 has a wider field of view. Yongnuo 17mm f/1.7 has a longer reach.
Both lenses are made for the Micro Four Thirds mount: the Panasonic Leica DG Summilux 15mm F1.7 ASPH is a 15mm f/1.7 prime, and the Yongnuo YN 17 mm f/1.7 MFT is a 17mm f/1.7 prime. On paper the Panasonic Leica DG Summilux 15mm F1.7 ASPH comes out ahead, 5 advantages to 3, but which one suits you depends on what you shoot.
Panasonic Leica DG Summilux 15mm F1.7 ASPH 
Yongnuo YN 17 mm f/1.7 MFT 01
Key differences
Why is the Panasonic Leica DG Summilux 15mm F1.7 ASPH better than the Yongnuo YN 17 mm f/1.7 MFT?
- Wider field of view (15mm vs 17mm)
- 65 g lighter (115 g vs 180 g)
- 30 mm shorter (36 mm vs 65.8 mm long)
- Has a physical aperture ring
- Smaller filter thread (46 mm vs 52 mm)
Why is the Yongnuo YN 17 mm f/1.7 MFT better than the Panasonic Leica DG Summilux 15mm F1.7 ASPH?
- Longer reach (17mm vs 15mm)
- Focuses 2 cm closer (0.18 m vs 0.2 m)
- Newer design (2024 vs 2014)
02
Which should you buy?
- landscape For landscape photography, the Panasonic Leica DG Summilux 15mm F1.7 ASPH has the edge: it goes wider, to 15mm against 17mm.
- architecture For architecture, the Panasonic Leica DG Summilux 15mm F1.7 ASPH has the edge: it goes wider, to 15mm against 17mm.
- astrophotography For astrophotography, the Panasonic Leica DG Summilux 15mm F1.7 ASPH has the edge: it goes wider, to 15mm against 17mm.
03
Specification
| Specification | Panasonic Leica DG Summilux 15mm F1.7 ASPH | Yongnuo YN 17 mm f/1.7 MFT |
|---|---|---|
| Focal length | 15mm | 17mm |
| Maximum aperture | f/1.7 | f/1.7 |
| Minimum aperture | f/16 | f/22 |
| Lens type | Wide-angle prime lens | Prime lens |
| Format | Micro Four Thirds | Micro Four Thirds |
| Weight | 115 g (4.06 oz) ◆ | 180 g |
| Dimensions | 57.5 mm (diameter) x 36 mm (length) | 77.8 x 65.8 mm |
| Minimum focusing distance | 0.2 m (7.9 inches) | 0.18 m ◆ |
| Maximum magnification | 0.10x (0.20x 35mm equivalent) | — |
| Image stabilization | No | No |
| Weather sealing | No | — |
| Aperture ring | Yes | No |
| Aperture blades | 7 (rounded) | 7 |
| Optical construction | 9 elements in 7 groups | 10 elements / 9 groups |
| Filter size | 46 mm ◆ | 52 mm |
| Lens mount | Micro Four Thirds | Micro Four Thirds |
| Released | 2014 | 2024 |
04
Size
- A · Panasonic
- B · Yongnuo
- 36 × 57.5 mm
- 65.8 × 77.8 mm
The Yongnuo YN 17 mm f/1.7 MFT is 30 mm longer and 65 g heavier than the Panasonic Leica DG Summilux 15mm F1.7 ASPH.
05
Sample frames
Panasonic Leica DG Summilux 15mm F1.7 ASPH
06
Video reviews
07
Questions
- Which is lighter, the Panasonic Leica DG Summilux 15mm F1.7 ASPH or the Yongnuo YN 17 mm f/1.7 MFT?
- The Panasonic Leica DG Summilux 15mm F1.7 ASPH weighs 115 g, 65 g less than the Yongnuo YN 17 mm f/1.7 MFT (180 g).
- Which focuses closer, the Panasonic Leica DG Summilux 15mm F1.7 ASPH or the Yongnuo YN 17 mm f/1.7 MFT?
- The Yongnuo YN 17 mm f/1.7 MFT focuses down to 0.18 m, against 0.2 m for the Panasonic Leica DG Summilux 15mm F1.7 ASPH.
- Do the Panasonic Leica DG Summilux 15mm F1.7 ASPH and the Yongnuo YN 17 mm f/1.7 MFT have image stabilization?
- No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
- Is the Panasonic Leica DG Summilux 15mm F1.7 ASPH or the Yongnuo YN 17 mm f/1.7 MFT better for landscape photography?
- For landscape photography, the Panasonic Leica DG Summilux 15mm F1.7 ASPH has the edge: it goes wider, to 15mm against 17mm.
- Is the Panasonic Leica DG Summilux 15mm F1.7 ASPH or the Yongnuo YN 17 mm f/1.7 MFT better for architecture?
- For architecture, the Panasonic Leica DG Summilux 15mm F1.7 ASPH has the edge: it goes wider, to 15mm against 17mm.
08