Leica Summicron-M 66 mm f/2 § 03 Head to head
Leica Summicron-M 66 mm f/2 vs Voigtlander Ultron 75 mm f/1.9
Leica 66mm f/2 has a wider field of view. Voigtlander 75mm f/1.9 is 0.1 stops brighter maximum aperture.
Both lenses are made for the Leica M mount: the Leica Summicron-M 66 mm f/2 is a 66mm f/2 prime, and the Voigtlander Ultron 75 mm f/1.9 is a 75mm f/1.9 prime. On paper the Voigtlander Ultron 75 mm f/1.9 comes out ahead, 6 advantages to 2, but which one suits you depends on what you shoot.
Leica Summicron-M 66 mm f/2 
Voigtlander Ultron 75 mm f/1.9 01
Key differences
Why is the Leica Summicron-M 66 mm f/2 better than the Voigtlander Ultron 75 mm f/1.9?
- Wider field of view (66mm vs 75mm)
- Newer design (2026 vs 2023)
Why is the Voigtlander Ultron 75 mm f/1.9 better than the Leica Summicron-M 66 mm f/2?
- 0.1 stops brighter maximum aperture (f/1.9 vs f/2)
- Longer reach (75mm vs 66mm)
- 166 g lighter (290 g vs 456 g)
- 3 mm shorter (56.8 mm vs 60 mm long)
- Focuses 50 cm closer (0.5 m vs 1 m)
- More aperture blades (12 vs 9)
02
Which should you buy?
- portrait For portrait photography, the Voigtlander Ultron 75 mm f/1.9 has the edge: its f/1.9 aperture gathers more light than f/2.
- low-light For low-light shooting, the Voigtlander Ultron 75 mm f/1.9 has the edge: its f/1.9 aperture gathers more light than f/2.
03
Specification
| Specification | Leica Summicron-M 66 mm f/2 | Voigtlander Ultron 75 mm f/1.9 |
|---|---|---|
| Focal length | 66mm | 75mm |
| Maximum aperture | f/2 | f/1.9 ◆ |
| Minimum aperture | f/16 | f/16 |
| Lens type | Prime lens | Prime lens |
| Format | Full frame | Full frame |
| Weight | 456 g (16.08 oz) | 290 g ◆ |
| Dimensions | 60.1 x 60 mm | 54.1 x 56.8 mm |
| Minimum focusing distance | 1 m (39.37 inches) | 0.5 m ◆ |
| Image stabilization | No | No |
| Aperture ring | Yes | — |
| Aperture blades | 9 | 12 ◆ |
| Optical construction | 6 elements / 5 groups | 7 elements / 5 groups |
| Filter size | 49 mm | 49 mm |
| Lens mount | Leica M | Leica M |
| Released | 2026 | 2023 |
| Price | $10,900 list price | — |
04
Size
- A · Leica
- B · Voigtlander
- 60 × 60.1 mm
- 56.8 × 54.1 mm
The Leica Summicron-M 66 mm f/2 is 3 mm longer and 166 g heavier than the Voigtlander Ultron 75 mm f/1.9.
05
Sample frames
Voigtlander Ultron 75 mm f/1.9
06
Video reviews
07
Questions
- Which lens has the brighter aperture, the Leica Summicron-M 66 mm f/2 or the Voigtlander Ultron 75 mm f/1.9?
- The Voigtlander Ultron 75 mm f/1.9 opens to f/1.9, against f/2 on the Leica Summicron-M 66 mm f/2, 0.1 stops brighter.
- Which is lighter, the Leica Summicron-M 66 mm f/2 or the Voigtlander Ultron 75 mm f/1.9?
- The Voigtlander Ultron 75 mm f/1.9 weighs 290 g, 166 g less than the Leica Summicron-M 66 mm f/2 (456 g).
- Which focuses closer, the Leica Summicron-M 66 mm f/2 or the Voigtlander Ultron 75 mm f/1.9?
- The Voigtlander Ultron 75 mm f/1.9 focuses down to 0.5 m, against 1 m for the Leica Summicron-M 66 mm f/2.
- Do the Leica Summicron-M 66 mm f/2 and the Voigtlander Ultron 75 mm f/1.9 have image stabilization?
- No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
- Is the Leica Summicron-M 66 mm f/2 or the Voigtlander Ultron 75 mm f/1.9 better for portrait photography?
- For portrait photography, the Voigtlander Ultron 75 mm f/1.9 has the edge: its f/1.9 aperture gathers more light than f/2.
- Is the Leica Summicron-M 66 mm f/2 or the Voigtlander Ultron 75 mm f/1.9 better for low-light shooting?
- For low-light shooting, the Voigtlander Ultron 75 mm f/1.9 has the edge: its f/1.9 aperture gathers more light than f/2.