Compare Samyang 50mm F1.2 AS UMC CS vs Viltrox 23mm F1.4 vs Viltrox 85mm F1.8 II
Variants
X-Mount
E-Mount
EF-M-Mount
X-Mount
E-Mount
Connectivity
Ports
Micro-USB
Micro-USB
Construction
Aperture Blades
9 blades, Circular blades
9
9
Colors
Black
Black
Form Factor
Short Telephoto Prime Lens
Image Size
APS-C
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
E-mount, X-mount, EF-M-mount
E-mount, X-Mount, Z-Mount
Motor
STM motor
STM+Lead screw stepping motor
Optical Formula | Elements
9 elements
11 elements
10 elements
Optical Formula | Groups
7 groups
10 groups
7 groups
Optical Formula | Special Glass
2 aspherical elements + Ultra Multi Coating groups
Dimensions
Filter Diameter
62 mm / 2.44 in
52 mm
72 mm
Size | Diameter
68 mm / 2.68 in
65 mm
80 mm
Size | Length
74 mm / 2.91 in
72 mm
92 mm
Weight
375 g / 13.25 oz
260 g
Function
Angle Of View
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical
63.4°
84°
Aperture
f/1.2 ~ f/16
F/1.4 - f/16
F/1.8 - f/16
Autofocus
No
Crop Factor
1.5
Focal Length
50 mm
23 mm
85 mm
Focal Length (35mm Equivalent)
75.0 mm
35 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
No
Performance
Max Magnification
0.1x
1:8
Min Focus Distance
500 mm / 19.69 in
0.3 m
Production
Accessory
Lens hood included
Debut
2015-09-21
2020
2020
Reviews
Neofiliac score
59%
Pros
- Bright maximum aperture
- Very sharp
- Good rendering
- Excellent sharpness in the centre
- Fast aperture
- Fast autofocus
- Easy to use
Cons
- Lacks weather sealing
- High chromatic aberrations
- Clickless aperture ring is not working on the fly
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