Leica Summilux-M 21 mm f/1.4 ASPH. § 03 Head to head
Leica Summilux-M 21 mm f/1.4 ASPH. vs Thypoch Simera 21 mm f/1.4
Thypoch 21mm f/1.4 is 152 g lighter.
Both lenses are made for the Leica M mount: the Leica Summilux-M 21 mm f/1.4 ASPH. is a 21mm f/1.4 prime, and the Thypoch Simera 21 mm f/1.4 is a 21mm f/1.4 prime. On paper the Thypoch Simera 21 mm f/1.4 comes out ahead, 4 advantages to 0, but which one suits you depends on what you shoot.
Leica Summilux-M 21 mm f/1.4 ASPH. 
Thypoch Simera 21 mm f/1.4 01
Key differences
Why is the Leica Summilux-M 21 mm f/1.4 ASPH. better than the Thypoch Simera 21 mm f/1.4?
No measurable advantage on paper.
Why is the Thypoch Simera 21 mm f/1.4 better than the Leica Summilux-M 21 mm f/1.4 ASPH.?
- 152 g lighter (428 g vs 580 g)
- Focuses 47 cm closer (0.23 m vs 0.7 m)
- More aperture blades (14 vs 9)
- Newer design (2025 vs 2008)
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Which should you buy?
- landscape For landscape photography, the Thypoch Simera 21 mm f/1.4 has the edge: it is 152 g lighter to carry.
- architecture For architecture, the Thypoch Simera 21 mm f/1.4 has the edge: it is 152 g lighter to carry.
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Specification
| Specification | Leica Summilux-M 21 mm f/1.4 ASPH. | Thypoch Simera 21 mm f/1.4 |
|---|---|---|
| Focal length | 21mm | 21mm |
| Maximum aperture | f/1.4 | f/1.4 |
| Minimum aperture | f/16 | f/16 |
| Lens type | Prime lens | Prime lens |
| Format | Full frame | Full frame |
| Weight | 580 g (20.46 oz) | 428 g ◆ |
| Dimensions | 69.5 x 66 mm | 69.4 x 66 mm |
| Minimum focusing distance | 0.7 m (27.56 inches) | 0.23 m ◆ |
| Image stabilization | No | No |
| Aperture ring | Yes | — |
| Aperture blades | 9 | 14 ◆ |
| Optical construction | 10 elements / 8 groups | 13 elements / 11 groups |
| Filter size | Series VII | 62 mm |
| Lens mount | Leica M | Leica M |
| Released | 2008 | 2025 |
| Price | — | $999 list price |
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Size
- A · Leica
- B · Thypoch
- 66 × 69.5 mm
- 66 × 69.4 mm
The Leica Summilux-M 21 mm f/1.4 ASPH. is 152 g heavier than the Thypoch Simera 21 mm f/1.4.
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Sample frames
Leica Summilux-M 21 mm f/1.4 ASPH.
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Video reviews
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Questions
- Which is lighter, the Leica Summilux-M 21 mm f/1.4 ASPH. or the Thypoch Simera 21 mm f/1.4?
- The Thypoch Simera 21 mm f/1.4 weighs 428 g, 152 g less than the Leica Summilux-M 21 mm f/1.4 ASPH. (580 g).
- Which focuses closer, the Leica Summilux-M 21 mm f/1.4 ASPH. or the Thypoch Simera 21 mm f/1.4?
- The Thypoch Simera 21 mm f/1.4 focuses down to 0.23 m, against 0.7 m for the Leica Summilux-M 21 mm f/1.4 ASPH..
- Do the Leica Summilux-M 21 mm f/1.4 ASPH. and the Thypoch Simera 21 mm f/1.4 have image stabilization?
- No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
- Is the Leica Summilux-M 21 mm f/1.4 ASPH. or the Thypoch Simera 21 mm f/1.4 better for landscape photography?
- For landscape photography, the Thypoch Simera 21 mm f/1.4 has the edge: it is 152 g lighter to carry.
- Is the Leica Summilux-M 21 mm f/1.4 ASPH. or the Thypoch Simera 21 mm f/1.4 better for architecture?
- For architecture, the Thypoch Simera 21 mm f/1.4 has the edge: it is 152 g lighter to carry.
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