Compare Samyang 20mm F1.8 ED AS UMC vs Sony FE 16-35mm F4 ZA
Construction
Aperture Blades
7 blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Zoom Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance 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
Sony E-mount
Optical Formula | Elements
13 elements
12 elements
Optical Formula | Groups
12 groups
10 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
5 Aspherical3 ED Glass groups
Dimensions
Filter Diameter
77 mm / 3.03 in
72 mm / 2.83 in
Size | Diameter
83 mm / 3.27 in
78 mm / 3.07 in
Size | Length
88 mm / 3.46 in
99 mm / 3.90 in
Weight
497 g / 17.56 oz
518 g / 18.30 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
107.1° Diagonal | 96.7° Horizontal | 73.7° Vertical (wide) ~ 63.5° Diagonal | 54.4° Horizontal | 37.8° Vertical (tele)
Aperture
f/1.8 ~ f/22
f/4 ~ f/22
Autofocus
No
Yes
Focal Length
20 mm
16 mm ~ 35 mm
Focus Type
Internal
Extending front
Image Stabilization
No
Yes
Weather Resistance
No
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.19x
Min Focus Distance
200 mm / 7.87 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2014-09-15
Model Name
SEL1635Z
Reviews
Neofiliac score
59%
71%
Pros
- Rather affordable
- Sharp towards the wider end
- Weather-sealed
- Optically stabilized
Cons
- Lacks weather sealing
- Not the highest grade of build
- External zoom without zoom lock
- Metal exterior with plastic interior
- Zeiss tax
- Worse than Sigma 14-24mm F2.8 DG DN
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