Compare Samyang 35mm F1.2 ED AS UMC CS vs Samyang 20mm F1.8 ED AS UMC vs Zeiss Milvus 18mm F2.8
Construction
Aperture Blades
9 blades
7 blades
Form Factor
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Canon EF-mount, Nikon F-mount
Optical Formula | Elements
9 elements
13 elements
14 elements
Optical Formula | Groups
7 groups
12 groups
12 groups
Optical Formula | Special Glass
2 aspherical elements, Ultra Multi Coating groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
4 APD, 2 ASPH elements, Zeiss T* coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
77 mm / 3.03 in
77 mm / 3.03 in
Size | Diameter
68 mm / 2.68 in
83 mm / 3.27 in
73 mm / 2.87 in
Size | Length
74 mm / 2.91 in
88 mm / 3.46 in
93 mm / 3.66 in
Weight
420 g / 14.84 oz
497 g / 17.56 oz
721 g / 25.48 oz
Function
Angle Of View
44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/1.2 ~ f/16
f/1.8 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
Focal Length
35 mm
20 mm
18 mm
Focal Length (35mm Equivalent)
52.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Yes
Performance
Max Magnification
0.14
Min Focus Distance
380 mm / 14.96 in
200 mm / 7.87 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2016-08-01
2016-08-08
2016-09-08
Made In
Japan
Reviews
Neofiliac score
50%
59%
86%
Pros
- Bright maximum aperture
- Good level of sharpness
- Rather affordable
- Weather-sealed
- Exceptional image quality
- Solid build quality
- F-mount with physical aperture ring
Cons
- Lacks weather sealing
- Lacks weather sealing
- Not the highest grade of build
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