Compare Samyang MF 85mm F1.4 MK2 vs Samyang 20mm F1.8 ED AS UMC vs Tamron 17-28mm F/2.8
Construction
Aperture Blades
9 blades
7 blades
9 blades
Colors
Black
Black
Form Factor
Short Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-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 E-mount
Motor
Stepper motor
Optical Formula | Elements
9 elements
13 elements
13 elements
Optical Formula | Groups
7 groups
12 groups
11 groups
Optical Formula | Special Glass
1 hybrid ASP element + UMC coating groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
LE and ED elements + BBAR and fluorine coating groups
Dimensions
Filter Diameter
72 mm / 2.83 in
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
78 mm / 3.07 in
83 mm / 3.27 in
73 mm / 2.87 in
Size | Length
75 mm / 2.95 in
88 mm / 3.46 in
99 mm / 3.90 in
Weight
548 g / 19.36 oz
497 g / 17.56 oz
420 g / 14.84 oz
Function
Angle Of View
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
103.7° Diagonal | 93.3° Horizontal | 70.4° Vertical (wide) ~ 75.4° Diagonal | 65.5° Horizontal | 46.4° Vertical (tele)
Aperture
f/1.4 ~ f/22
f/1.8 ~ f/22
f/2.8–22 ~ f/2.8–22
Autofocus
No
No
Yes
Focal Length
85 mm
20 mm
17 mm ~ 28 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
No
Yes
Performance
Max Magnification
0.09x
0.19x
Min Focus Distance
1100 mm / 43.31 in
200 mm / 7.87 in
190 mm / 7.48 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2020-05-25
2016-08-08
2019-02-20
Made In
Korea
Model Name
A046
Reviews
Neofiliac score
83%
59%
78%
Pros
- Improved image quality
- Bright maximum aperture
- Weather-sealed
- Very good color rendition
- Rather affordable
- Very good performance at wide end
- Rather compact for an ultra-wide lens
- Weather-sealed
Cons
- Low maximum magnification
- Bokeh not the best
- Lacks weather sealing
- Not the highest grade of build
- Not as sharp as other f/2.8 alternatives
- Relatively slow autofocus
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