Compare 7Artisans M50mm F1.1 vs 7Artisans M35mm F5.6 vs Voigtlander Ultron 28mm F2
Variants
Type I
Type II
Construction
Aperture Blades
12 blades
N/A (fixed aperture)
10 blades, straight cut
Colors
Black
Black on Black / Bronze on Black / Black on Silver / Bronze on Silver
Form Factor
Normal Prime Lens
Manual focus, Fixed aperture, Prime lens
Manual-focus prime lens for rangefinder cameras
Image Size
Full-Frame
Full frame
Full-frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
M-mount
M-mount bayonet (VM)
Material
Aluminum
Optical Formula | Elements
7 elements
5 elements
10 elements
Optical Formula | Groups
6 groups
4 groups
7 groups
Dimensions
Filter Diameter
55 mm / 2.17 in
N/A
39 mm
Size | Diameter
60 mm / 2.36 in
Size | Length
49 mm / 1.93 in
36 mm
Weight
400 g / 14.13 oz
128 g
Function
Angle Of View
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
63°
74.51°
Aperture
f/1.1 ~ f/16
F/5.6 fixed aperture
f/2 ~ f/22
Autofocus
No
Focal Length
50 mm
35 mm
28 mm
Focus Type
Internal
Image Stabilization
No
N/A
Weather Resistance
No
Performance
Min Focus Distance
700 mm / 27.56 in
30 cm
0.5 m (Rangefinder coupling ∞ ~ 0.7 m)
Production
Accessory
Lens hood included
Lens hood LH-4N or LH-12, optional
Debut
2017-12-09
2021-03
2021
Made In
China
Japan
Reviews
Neofiliac score
68%
Pros
- Bright maximum aperture
- Short barrel
- 12-bladed aperture produces well-defined sunstars
- Better built than most 7Artisan lenses
- Compact and light
- Very good sharpness
- Dust and splash protection
- Amazing build quality
- Very sharp
- Easy to focus
Cons
- Lacks weather sealing
- Voigtlander and Zeiss have stronger alternatives
- Very high sensitivity to flare
- Occasional ghosting
- Does not work well with thick filter stack
- Vignetting at f/2
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