Compare KamLan 50mm F1.1 II vs Samyang 21mm F1.4 ED AS UMC CS vs Samyang 85mm F1.8 ED UMC CS
Construction
Aperture Blades
11 blades
9 blades, Circular blades
9 blades
Colors
Black
Form Factor
Short Telephoto Prime Lens
Wide-Angle Prime Lens
Short Telephoto Prime Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
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-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Canon EF-M-mount, Fujifilm X-mount, Sony E-mount
Optical Formula | Elements
8 elements
8 elements
9 elements
Optical Formula | Groups
7 groups
7 groups
7 groups
Optical Formula | Special Glass
3 aspherical and 2 ED elements + Ultra Multi Coating groups
1 ED + 1 HRI element, Ultra Multi-Coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
58 mm / 2.28 in
62 mm / 2.44 in
Size | Diameter
64 mm / 2.52 in
68 mm / 2.68 in
Size | Length
68 mm / 2.68 in
81 mm / 3.19 in
Weight
600 g / 21.20 oz
275 g / 9.72 oz
344 g / 12.16 oz
Function
Angle Of View
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
19.3° Diagonal | 16.1° Horizontal | 10.8° Vertical
Aperture
f/1.1 ~ f/16
f/1.4 ~ f/22
f/1.8 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
1.5
1.5
Focal Length
50 mm
21 mm
85 mm
Focal Length (35mm Equivalent)
75.0 mm
31.5 mm
127.5 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
No
Performance
Max Magnification
0.25x
Min Focus Distance
400 mm / 15.75 in
280 mm / 11.02 in
650 mm / 25.59 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2019-06-05
2015-09-21
2018-08-27
Reviews
Neofiliac score
59%
50%
50%
Pros
- Bright maximum aperture
- Smooth rendering
- Bright maximum aperture
- Very sharp
- Good color rendition
- Reasonably lightweight
Cons
- Lacks weather sealing
- No EXIF data
- Lacks weather sealing
- Lacks weather sealing
- Not the best build from Samyang
- Not the best rendering
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