Compare Samyang 8mm F2.8 UMC Fisheye II vs Samyang 20mm F1.8 ED AS UMC vs Sony 16-35mm F2.8 ZA SSM II
Construction
Aperture Blades
6 blades
7 blades
9 blades, Circular aperture
Colors
Silver, black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Wide-Angle Zoom Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Distance scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Samsung NX-mount, Sony E-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 A-mount
Motor
Ring-type ultrasonic
Optical Formula | Elements
11 elements
13 elements
17 elements
Optical Formula | Groups
8 groups
12 groups
13 groups
Optical Formula | Special Glass
2 aspherical + 3 ED, Ultra Multi Coating groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
1 ED, 1 super ED, 3 aspherical elements plus T* coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
Size | Diameter
60 mm / 2.36 in
83 mm / 3.27 in
83 mm / 3.27 in
Size | Length
65 mm / 2.56 in
88 mm / 3.46 in
114 mm / 4.49 in
Weight
265 g / 9.36 oz
497 g / 17.56 oz
872 g / 30.81 oz
Function
Angle Of View
180° Diagonal (fisheye)
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/2.8 ~ f/22
f/1.8 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Yes
Crop Factor
1.5
Focal Length
8 mm
20 mm
16 mm ~ 35 mm
Focal Length (35mm Equivalent)
12.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.24x
Min Focus Distance
300 mm / 11.81 in
200 mm / 7.87 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens Hood: ALC-SH106 (supplied)
Debut
2014-03-21
2016-08-08
2015-04-23
Model Name
SAL-1635Z2
Reviews
Neofiliac score
31%
59%
62%
Pros
- 180° FOV
- Reasonably well built
- Rather affordable
- Good optical performance
- Weather-sealed
- Low flaring
Cons
- Lacks front filter thread
- Lacks weather sealing
- Lacks weather sealing
- Not the highest grade of build
- External zoom without zoom lock
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