Compare Samyang 20mm F1.8 ED AS UMC vs Samyang 100mm F2.8 ED UMC Macro
Construction
Aperture Blades
7 blades
9 blades
Form Factor
Ultra Wide-Angle Prime Lens
Short Telephoto Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Canon EF-M-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, 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
13 elements
15 elements
Optical Formula | Groups
12 groups
12 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
1 HRI + 1 ED element, Ultra Multi Coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
73 mm / 2.87 in
Size | Length
88 mm / 3.46 in
123 mm / 4.84 in
Weight
497 g / 17.56 oz
720 g / 25.44 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
24.4° Diagonal | 20.4° Horizontal | 13.7° Vertical
Aperture
f/1.8 ~ f/22
f/2.8 ~ f/32
Autofocus
No
No
Focal Length
20 mm
100 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Performance
Max Magnification
1x
Min Focus Distance
200 mm / 7.87 in
310 mm / 12.20 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2015-04-01
Reviews
Neofiliac score
59%
59%
Pros
- Rather affordable
- 1:1 reproduction
- Clear focusing scale
Cons
- Lacks weather sealing
- Not the highest grade of build
- Lacks weather sealing
- Not Samyang's strongest build
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