Compare Samyang 35mm F1.2 ED AS UMC CS vs Samyang 10mm F2.8 ED AS NCS CS vs Samyang 20mm F1.8 ED AS UMC
Construction
Aperture Blades
9 blades
6 blades, Manual aperture setting via lens ring
7 blades
Form Factor
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Canon EF-M-mount, Canon EF-mount, Micro Four Thirds-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, 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
Optical Formula | Elements
9 elements
14 elements
13 elements
Optical Formula | Groups
7 groups
10 groups
12 groups
Optical Formula | Special Glass
2 aspherical elements, Ultra Multi Coating groups
2 aspherical elements, 1 ED glass element groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
77 mm / 3.03 in
Size | Diameter
68 mm / 2.68 in
86 mm / 3.39 in
83 mm / 3.27 in
Size | Length
74 mm / 2.91 in
77 mm / 3.03 in
88 mm / 3.46 in
Weight
420 g / 14.84 oz
580 g / 20.49 oz
497 g / 17.56 oz
Function
Angle Of View
44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.2 ~ f/16
f/2.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
1.5
Focal Length
35 mm
10 mm
20 mm
Focal Length (35mm Equivalent)
52.5 mm
15.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Min Focus Distance
380 mm / 14.96 in
250 mm / 9.84 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2016-08-01
2013-12-06
2016-08-08
Reviews
Neofiliac score
50%
40%
59%
Pros
- Bright maximum aperture
- Good level of sharpness
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Rather affordable
Cons
- Lacks weather sealing
- Lacks front filter thread
- Lacks weather sealing
- Not the highest grade of build
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