Compare Voigtlander 21mm F1.8 Ultron vs Voigtlander 50mm APO-Lanthar
Construction
Aperture Blades
10 blades
12, Straight
Form Factor
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
M-mount (VM)
Material
Metal barrel, metal mount
Optical Formula | Elements
13 elements
10 elements
Optical Formula | Groups
11 groups
8 groups
Optical Formula | Special Glass
Aspherical element groups
Dimensions
Filter Diameter
58 mm / 2.28 in
49 mm
Size | Diameter
62 mm / 2.44 in
55.6 mm
Size | Length
92 mm / 3.62 in
53 mm
Weight
412 g / 14.56 oz
288 g
Function
Angle Of View
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
46.2°
Aperture
f/1.8 ~ f/22
F/2 - f/16
Autofocus
No
Focal Length
21 mm
50 mm
Performance
Min Focus Distance
500 mm / 19.69 in
0.7 m
Production
Accessory
Lens Hood: Non-detachable hood (supplied)
Debut
2012-09-17
2020-04
Made In
Japan
Japan
Reviews
Neofiliac score
88%
Pros
- Solid all-metal construction
- Very sharp
- Great sunstar
- Quite bright aperture
- Excellent autofocus
- Excellent chromatic aberration correction
- Very good build quality
Cons
- Not as sharp as the 2/65 and 2.5/110
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