Compare Samyang 50mm F1.2 AS UMC CS vs Samyang 135mm F2.0 ED UMC vs Canon RF 85mm F1.2
Construction
Aperture Blades
9 blades, Circular blades
9 blades
9 blades, Circular aperture blades
Colors
Black
Form Factor
Short Telephoto Prime Lens
Medium Telephoto Prime Lens
Short Telephoto Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Canon EF-mount, Canon EF-M-mount, Micro Four Thirds-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Canon RF-mount
Motor
Ring-type ultrasonic
Optical Formula | Elements
9 elements
11 elements
13 elements
Optical Formula | Groups
7 groups
7 groups
9 groups
Optical Formula | Special Glass
2 aspherical elements + Ultra Multi Coating groups
1 ED element, Ultra Multi Coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
77 mm / 3.03 in
82 mm / 3.23 in
Size | Diameter
68 mm / 2.68 in
82 mm / 3.23 in
103 mm / 4.06 in
Size | Length
74 mm / 2.91 in
122 mm / 4.80 in
117 mm / 4.61 in
Weight
375 g / 13.25 oz
830 g / 29.33 oz
1195 g / 42.23 oz
Function
Angle Of View
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
28.6° Diagonal | 23.9° Horizontal | 16.1° Vertical
Aperture
f/1.2 ~ f/16
f/2 ~ f/22
f/1.2
Autofocus
No
No
Yes
Crop Factor
1.5
Focal Length
50 mm
135 mm
85 mm
Focal Length (35mm Equivalent)
75.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Yes
Performance
Min Focus Distance
500 mm / 19.69 in
800 mm / 31.50 in
850 mm / 33.46 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: ET-89 (sold separately)
Debut
2015-09-21
2015-01-12
2019-02-14
Reviews
Neofiliac score
59%
50%
71%
Pros
- Bright maximum aperture
- Very sharp
- Good rendering
- Smooth rendering
- Good resolution
- Exceptionally sharp
- Very bright maximum aperture
- Weather-sealed
- Smooth bokeh
Cons
- Lacks weather sealing
- On the heavy side
- Lacks weather sealing
- Hard to MF at this focal length
- On the heavy side
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