Compare Samyang 35mm F1.2 ED AS UMC CS vs Samyang 20mm F1.8 ED AS UMC vs Fujifilm XF 23mm F1.4 R
Construction
Aperture Blades
9 blades
7 blades
7 blades, Rounded blades
Form Factor
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
APS-C
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
Fujifilm X-mount
Motor
Micromotor
Optical Formula | Elements
9 elements
13 elements
11 elements
Optical Formula | Groups
7 groups
12 groups
8 groups
Optical Formula | Special Glass
2 aspherical elements, Ultra Multi Coating groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
1 aspherical element, High Transmittance Electron Beam Coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
77 mm / 3.03 in
62 mm / 2.44 in
Size | Diameter
68 mm / 2.68 in
83 mm / 3.27 in
72 mm / 2.83 in
Size | Length
74 mm / 2.91 in
88 mm / 3.46 in
63 mm / 2.48 in
Weight
420 g / 14.84 oz
497 g / 17.56 oz
300 g / 10.60 oz
Function
Angle Of View
44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
64.2° Diagonal | 55.1° Horizontal | 38.4° Vertical
Aperture
f/1.2 ~ f/16
f/1.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
No
Yes
Crop Factor
1.5
1.5
Focal Length
35 mm
20 mm
23 mm
Focal Length (35mm Equivalent)
52.5 mm
34.5 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.1x
Min Focus Distance
380 mm / 14.96 in
200 mm / 7.87 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2016-08-01
2016-08-08
2013-09-05
Reviews
Neofiliac score
50%
59%
71%
Pros
- Bright maximum aperture
- Good level of sharpness
- Rather affordable
- Bright maximum aperture
- Comes with physical aperture ring
- Beautiful construction
Cons
- Lacks weather sealing
- Lacks weather sealing
- Not the highest grade of build
- Not competitive against full-frame equivalents
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