§ 03 Head to head

Leica Summilux-M 24 mm f/1.4 ASPH. vs Thypoch Simera 21 mm f/1.4

Leica 24mm f/1.4 has a longer reach. Thypoch 21mm f/1.4 has a wider field of view.

Both lenses are made for the Leica M mount: the Leica Summilux-M 24 mm f/1.4 ASPH. is a 24mm 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 2, but which one suits you depends on what you shoot.

01

Key differences

From manufacturer specifications

Why is the Leica Summilux-M 24 mm f/1.4 ASPH. better than the Thypoch Simera 21 mm f/1.4?

  • Longer reach (24mm vs 21mm)
  • 8 mm shorter (58.5 mm vs 66 mm long)

Why is the Thypoch Simera 21 mm f/1.4 better than the Leica Summilux-M 24 mm f/1.4 ASPH.?

  • Wider field of view (21mm vs 24mm)
  • 72 g lighter (428 g vs 500 g)
  • Focuses 47 cm closer (0.23 m vs 0.7 m)
  • Newer design (2025 vs 2008)
02

Which should you buy?

By use
  • landscape For landscape photography, the Thypoch Simera 21 mm f/1.4 has the edge: it goes wider, to 21mm against 24mm.
  • architecture For architecture, the Thypoch Simera 21 mm f/1.4 has the edge: it goes wider, to 21mm against 24mm.
  • street For street photography, the Thypoch Simera 21 mm f/1.4 has the edge: it is 72 g lighter to carry.
  • travel For travel, the Thypoch Simera 21 mm f/1.4 has the edge: it is 72 g lighter to carry.
  • astrophotography For astrophotography, the Thypoch Simera 21 mm f/1.4 has the edge: it goes wider, to 21mm against 24mm.
03

Specification

16 rows · better value flagged ◆
SpecificationLeica Summilux-M 24 mm f/1.4 ASPH.Thypoch Simera 21 mm f/1.4
Focal length24mm 21mm
Maximum aperturef/1.4 f/1.4
Minimum aperturef/16 f/16
Lens typePrime lens Prime lens
FormatFull frame Full frame
Weight500 g (17.64 oz) 428 g ◆
Dimensions61 x 58.5 mm 69.4 x 66 mm
Minimum focusing distance0.7 m (27.56 inches) 0.23 m ◆
Image stabilizationNo No
Aperture ringYes —
Aperture blades—14
Optical construction10 elements / 8 groups 13 elements / 11 groups
Filter sizeSeries VII 62 mm
Lens mountLeica M Leica M
Released2008 2025
Price—$999 list price
04

Size

Drawn to relative scale
  • A · Leica
  • B · Thypoch
  • 58.5 × 61 mm
  • 66 × 69.4 mm

The Thypoch Simera 21 mm f/1.4 is 7 mm longer and 72 g lighter than the Leica Summilux-M 24 mm f/1.4 ASPH..

05

Sample frames

Shot on each lens

Leica Summilux-M 24 mm f/1.4 ASPH.

F1110023
F1110023 by Jeffri Jaffar
Thunderstorm and lightning on Garda Lake
Thunderstorm and lightning on Garda Lake by Luca Ghidini
Vittoriale Degli Italiani
Vittoriale Degli Italiani by Luca Ghidini
Vittoriale Degli Italiani
Vittoriale Degli Italiani by Luca Ghidini
06

Video reviews

4 on YouTube
Video thumbnail for Leica Summilux-M 24 mm f/1.4 ASPH. review 1
Video thumbnail for Leica Summilux-M 24 mm f/1.4 ASPH. review 2
Video thumbnail for Thypoch Simera 21 mm f/1.4 review 1
Video thumbnail for Thypoch Simera 21 mm f/1.4 review 2
07

Questions

Which is lighter, the Leica Summilux-M 24 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, 72 g less than the Leica Summilux-M 24 mm f/1.4 ASPH. (500 g).
Which focuses closer, the Leica Summilux-M 24 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 24 mm f/1.4 ASPH..
Do the Leica Summilux-M 24 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 24 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 goes wider, to 21mm against 24mm.
Is the Leica Summilux-M 24 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 goes wider, to 21mm against 24mm.
08

Other comparisons