Compare Samyang 10mm F2.8 ED AS NCS CS vs Viltrox 20mm F1.8 vs Viltrox 85mm F1.8 II
Variants
E-Mount
Z-Mount
X-Mount
E-Mount
Connectivity
Ports
Micro-USB
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
14 blades
9
Colors
Black
Black
Form Factor
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Canon EF-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
E-mount, Z-mount
E-mount, X-Mount, Z-Mount
Motor
N/A (Manual Focus)
STM+Lead screw stepping motor
Optical Formula | Elements
14 elements
12 elements
10 elements
Optical Formula | Groups
10 groups
9 groups
7 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
Dimensions
Filter Diameter
82 mm
72 mm
Size | Diameter
86 mm / 3.39 in
76.8 mm
80 mm
Size | Length
77 mm / 3.03 in
92 mm
Weight
580 g / 20.49 oz
782 g
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
94°12'
84°
Aperture
f/2.8 ~ f/22
F/1.8 ~ f/16
F/1.8 - f/16
Autofocus
No
Crop Factor
1.5
Focal Length
10 mm
20 mm
85 mm
Focal Length (35mm Equivalent)
15.0 mm
Image Stabilization
No
Performance
Max Magnification
1:8
Min Focus Distance
250 mm / 9.84 in
0.25 m
Production
Accessory
Lens Hood: Integrated hood (supplied)
Debut
2013-12-06
2019
2020
Reviews
Neofiliac score
40%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Very good optics
- Very good chromatic aberration
- F1.8 aperture ring
- Fast autofocus
Cons
- Lacks front filter thread
- Very high chromatic aberrations
- Omits clickless aperture ring
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