Compare Samyang T-S 24mm F3.5 vs Samyang 12mm F2.8 ED AS NCS Fisheye vs Nikon 20mm F1.8G
Construction
Aperture Blades
8 blades
7 blades, Circular blades
7 blades, Rounded blades
Colors
Black
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Nikon F-mount
Material
Composite
Motor
Ultrasonic
Optical Formula | Elements
16 elements
12 elements
13 elements
Optical Formula | Groups
11 groups
8 groups
11 groups
Optical Formula | Special Glass
2 aspheric elements groups
2 aspherical, 3 ED, nano coating system groups
2 ED, 2 aspherical groups
Dimensions
Filter Diameter
82 mm / 3.23 in
77 mm / 3.03 in
Size | Diameter
86 mm / 3.39 in
77 mm / 3.03 in
83 mm / 3.27 in
Size | Length
112 mm / 4.41 in
73 mm / 2.87 in
81 mm / 3.19 in
Weight
680 g / 24.03 oz
515 g / 18.20 oz
355 g / 12.54 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
180° Diagonal (fisheye)
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/3.5 ~ f/22
f/2.8 ~ f/22
f/1.8 ~ f/16
Autofocus
No
No
Focal Length
24 mm
12 mm
20 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
No
Performance
Max Magnification
0.23x
Min Focus Distance
200 mm / 7.87 in
200 mm / 7.87 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens Hood: HB-72 (supplied), CL-1015 soft lens case
Debut
2012-09-07
2014-11-01
2014-09-12
Reviews
Neofiliac score
40%
40%
78%
Pros
- Affordable tilt-shift form factor
- Good level of resolution
- 180° FOV
- Reasonably good sunstar
- Good sharpness
- Well corrected
Cons
- Lacks weather sealing
- Not the best optical performance overall
- Lacks front filter thread
- Lacks weather sealing
- Not the sharpest
- Lacks weather sealing
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