Compare Samyang 135mm F2.0 ED UMC vs Samyang 10mm F2.8 ED AS NCS CS vs Zeiss Loxia 21mm F2.8
Construction
Aperture Blades
9 blades
6 blades, Manual aperture setting via lens ring
Colors
Black
Form Factor
Medium Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Lens 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
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
Sony E-mount
Material
Metal
Optical Formula | Elements
11 elements
14 elements
11 elements
Optical Formula | Groups
7 groups
10 groups
9 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
2 aspherical elements, 1 ED glass element groups
Dimensions
Filter Diameter
77 mm / 3.03 in
52 mm / 2.05 in
Size | Diameter
82 mm / 3.23 in
86 mm / 3.39 in
62 mm / 2.44 in
Size | Length
122 mm / 4.80 in
77 mm / 3.03 in
72 mm / 2.83 in
Weight
830 g / 29.33 oz
580 g / 20.49 oz
394 g / 13.92 oz
Function
Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
Aperture
f/2 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
Focal Length
135 mm
10 mm
21 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.13
Min Focus Distance
800 mm / 31.50 in
250 mm / 9.84 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Lens Hood: Integrated hood (supplied)
Debut
2015-01-12
2013-12-06
2015-10-12
Made In
Japan
Reviews
Neofiliac score
50%
40%
86%
Pros
- Smooth rendering
- Good resolution
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Weather-sealed
- Smooth focus ring
- Excellent image quality
- Declickable aperture ring
Cons
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- Lacks front filter thread
- Some distortion
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