Compare Samyang 100mm F2.8 ED UMC Macro vs Samyang 12mm F2.8 ED AS NCS Fisheye vs Nikon 20mm F1.8G
Construction
Aperture Blades
9 blades
7 blades, Circular blades
7 blades, Rounded blades
Colors
Black
Form Factor
Short Telephoto 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, 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, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Nikon F-mount
Material
Composite
Motor
Ultrasonic
Optical Formula | Elements
15 elements
12 elements
13 elements
Optical Formula | Groups
12 groups
8 groups
11 groups
Optical Formula | Special Glass
1 HRI + 1 ED element, Ultra Multi Coating groups
2 aspherical, 3 ED, nano coating system groups
2 ED, 2 aspherical groups
Dimensions
Filter Diameter
67 mm / 2.64 in
77 mm / 3.03 in
Size | Diameter
73 mm / 2.87 in
77 mm / 3.03 in
83 mm / 3.27 in
Size | Length
123 mm / 4.84 in
73 mm / 2.87 in
81 mm / 3.19 in
Weight
720 g / 25.44 oz
515 g / 18.20 oz
355 g / 12.54 oz
Function
Angle Of View
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
180° Diagonal (fisheye)
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/2.8 ~ f/32
f/2.8 ~ f/22
f/1.8 ~ f/16
Autofocus
No
No
Focal Length
100 mm
12 mm
20 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
No
Performance
Max Magnification
1x
0.23x
Min Focus Distance
310 mm / 12.20 in
200 mm / 7.87 in
200 mm / 7.87 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: HB-72 (supplied), CL-1015 soft lens case
Debut
2015-04-01
2014-11-01
2014-09-12
Reviews
Neofiliac score
59%
40%
78%
Pros
- 1:1 reproduction
- Clear focusing scale
- 180° FOV
- Reasonably good sunstar
- Good sharpness
- Well corrected
Cons
- Lacks weather sealing
- Not Samyang's strongest build
- Lacks front filter thread
- Lacks weather sealing
- Not the sharpest
- Lacks weather sealing
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