Compare Samyang 10mm F2.8 ED AS NCS CS vs Zeiss Loxia 50mm F2 vs Zeiss Loxia 21mm F2.8
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
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-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
Sony E-mount
Material
Metal
Optical Formula | Elements
14 elements
6 elements
11 elements
Optical Formula | Groups
10 groups
4 groups
9 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
Dimensions
Filter Diameter
52 mm / 2.05 in
52 mm / 2.05 in
Size | Diameter
86 mm / 3.39 in
62 mm / 2.44 in
62 mm / 2.44 in
Size | Length
77 mm / 3.03 in
66 mm / 2.60 in
72 mm / 2.83 in
Weight
580 g / 20.49 oz
320 g / 11.31 oz
394 g / 13.92 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
Aperture
f/2.8 ~ f/22
f/2 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Crop Factor
1.5
Focal Length
10 mm
50 mm
21 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.13
Min Focus Distance
250 mm / 9.84 in
450 mm / 17.72 in
250 mm / 9.84 in
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2013-12-06
2014-09-03
2015-10-12
Made In
Japan
Japan
Reviews
Neofiliac score
40%
78%
86%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Good image quality
- Great build quality
- Declickable aperture ring
- Weather-sealed
- Smooth focus ring
- Excellent image quality
- Declickable aperture ring
Cons
- Lacks front filter thread
- Lacks features of newer Loxia lenses
- Some distortion
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