§ 03 Head to head

TTartisan 21 mm f/1.5 Leica M vs Voigtlander Ultron 21 mm f/1.8

TTartisan 21mm f/1.5 is 0.5 stops brighter maximum aperture. Voigtlander 21mm f/1.8 is 8 mm shorter.

Both lenses are made for the Leica M mount: the TTartisan 21 mm f/1.5 Leica M is a 21mm f/1.5 prime, and the Voigtlander Ultron 21 mm f/1.8 is a 21mm f/1.8 prime. On paper the TTartisan 21 mm f/1.5 Leica M comes out ahead, 2 advantages to 1, but which one suits you depends on what you shoot.

01

Key differences

From manufacturer specifications

Why is the TTartisan 21 mm f/1.5 Leica M better than the Voigtlander Ultron 21 mm f/1.8?

  • 0.5 stops brighter maximum aperture (f/1.5 vs f/1.8)
  • Newer design (2019 vs 2012)

Why is the Voigtlander Ultron 21 mm f/1.8 better than the TTartisan 21 mm f/1.5 Leica M?

  • 8 mm shorter (69 mm vs 77 mm long)
02

Which should you buy?

By use
  • low-light For low-light shooting, the TTartisan 21 mm f/1.5 Leica M has the edge: its f/1.5 aperture gathers more light than f/1.8.
  • astrophotography For astrophotography, the TTartisan 21 mm f/1.5 Leica M has the edge: its f/1.5 aperture gathers more light than f/1.8.
03

Specification

15 rows · better value flagged ◆
SpecificationTTartisan 21 mm f/1.5 Leica MVoigtlander Ultron 21 mm f/1.8
Focal length21mm 21mm
Maximum aperturef/1.5 ◆f/1.8
Minimum aperturef/16 f/22
Lens typePrime lens Prime lens
FormatFull frame Full frame
Weight405 g ◆412 g (14.53 oz)
Dimensions63 x 77 mm 78.4 x 69 mm
Minimum focusing distance0.5 m 0.5 m (19.69 inches)
Image stabilizationNo No
Aperture ring—Yes
Aperture blades10 10
Optical construction13 elements / 11 groups 13 elements / 11 groups
Filter size—58 mm
Lens mountLeica M, Sony E, Nikon Z, Canon RF, L-Mount Leica M
Released2019 2012
04

Size

Drawn to relative scale
  • A · TTartisan
  • B · Voigtlander
  • 77 × 63 mm
  • 69 × 78.4 mm

The TTartisan 21 mm f/1.5 Leica M is 8 mm longer and 7 g lighter than the Voigtlander Ultron 21 mm f/1.8.

05

Sample frames

Shot on each lens

TTartisan 21 mm f/1.5 Leica M

L1100371 zl2 21mm-thy
L1100371 zl2 21mm-thy by sulaiman.ellison
L1100309 zl2 21mm-vm
L1100309 zl2 21mm-vm by sulaiman.ellison
L10M8188 m10 21mmf14as
L10M8188 m10 21mmf14as by sulaiman.ellison
S1050058 sl2s 21mmf14a
S1050058 sl2s 21mmf14a by sulaiman.ellison

Voigtlander Ultron 21 mm f/1.8

Takayama Urban Garden
Takayama Urban Garden by Oliver Schoepgens
Lovely Takayama
Lovely Takayama by Oliver Schoepgens
Past For Sale
Past For Sale by Oliver Schoepgens
Natural Art
Natural Art by Oliver Schoepgens
06

Video reviews

4 on YouTube
Video thumbnail for TTartisan 21 mm f/1.5 Leica M review 1
Video thumbnail for TTartisan 21 mm f/1.5 Leica M review 2
Video thumbnail for Voigtlander Ultron 21 mm f/1.8 review 1
Video thumbnail for Voigtlander Ultron 21 mm f/1.8 review 2
07

Questions

Which lens has the brighter aperture, the TTartisan 21 mm f/1.5 Leica M or the Voigtlander Ultron 21 mm f/1.8?
The TTartisan 21 mm f/1.5 Leica M opens to f/1.5, against f/1.8 on the Voigtlander Ultron 21 mm f/1.8, 0.5 stops brighter.
Which is lighter, the TTartisan 21 mm f/1.5 Leica M or the Voigtlander Ultron 21 mm f/1.8?
The TTartisan 21 mm f/1.5 Leica M weighs 405 g, 7 g less than the Voigtlander Ultron 21 mm f/1.8 (412 g).
Do the TTartisan 21 mm f/1.5 Leica M and the Voigtlander Ultron 21 mm f/1.8 have image stabilization?
No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
Is the TTartisan 21 mm f/1.5 Leica M or the Voigtlander Ultron 21 mm f/1.8 better for low-light shooting?
For low-light shooting, the TTartisan 21 mm f/1.5 Leica M has the edge: its f/1.5 aperture gathers more light than f/1.8.
Is the TTartisan 21 mm f/1.5 Leica M or the Voigtlander Ultron 21 mm f/1.8 better for astrophotography?
For astrophotography, the TTartisan 21 mm f/1.5 Leica M has the edge: its f/1.5 aperture gathers more light than f/1.8.
08

Other comparisons