Compare Samyang 21mm F1.4 ED AS UMC CS vs Samyang 12mm F2.0 NCS CS vs Samyang 135mm F2.0 ED UMC
Construction
Aperture Blades
9 blades, Circular blades
6 blades
9 blades
Colors
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Medium Telephoto Prime Lens
Image Size
APS-C
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF 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-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Samsung NX-mount, Sony E-mount
Canon EF-mount, Canon EF-M-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
Optical Formula | Elements
8 elements
12 elements
11 elements
Optical Formula | Groups
7 groups
10 groups
7 groups
Optical Formula | Special Glass
3 aspherical and 2 ED elements + Ultra Multi Coating groups
2 aspherical elements, 3 ED glass elements groups
1 ED element, Ultra Multi Coating groups
Dimensions
Filter Diameter
58 mm / 2.28 in
67 mm / 2.64 in
77 mm / 3.03 in
Size | Diameter
64 mm / 2.52 in
73 mm / 2.87 in
82 mm / 3.23 in
Size | Length
68 mm / 2.68 in
59 mm / 2.32 in
122 mm / 4.80 in
Weight
275 g / 9.72 oz
260 g / 9.19 oz
830 g / 29.33 oz
Function
Angle Of View
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
Aperture
f/1.4 ~ f/22
f/2 ~ f/22
f/2 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
1.5
Focal Length
21 mm
12 mm
135 mm
Focal Length (35mm Equivalent)
31.5 mm
18.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Min Focus Distance
280 mm / 11.02 in
200 mm / 7.87 in
800 mm / 31.50 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-09-21
2014-03-21
2015-01-12
Reviews
Neofiliac score
50%
59%
50%
Pros
- Bright maximum aperture
- Very sharp
- Good color rendition
- Interesting FOV
- Good level of resolution
- Great sunstar performance
- Smooth rendering
- Good resolution
Cons
- Lacks weather sealing
- Not the best grade of build
- High distortion
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
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