Compare Samyang 16mm F2 ED AS UMC CS vs SIGMA 18-50mm F2.8 DC DN vs SIGMA 16mm F1.4 DC DN
Variants
E-mount
EF-M
L-mount
MFT
Construction
Aperture Blades
8 blades
7 blades, Rounded blades
9 (Rounded diaphragm)
Colors
Black
Black
Form Factor
Wide-Angle Prime Lens
Standard Zoom Lens
Wide-Angle Prime Lens
Image Size
APS-C
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance 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
Leica L-mount, Sony E-mount
Sony E-mount, Leica L-mount, Canon EF-M mount, Micro Four Thirds
Material
Metal barrel, metal mount
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
13 elements
13 elements
16 elements
Optical Formula | Groups
11 groups
10 groups
13 groups
Optical Formula | Special Glass
1 ED glass element, 1 aspheric element, 1 hybrid aspheric element groups
1 Super Low Dispersion and 3 aspherical elements groups
Three FLD, two SLD, two aspherical groups
Dimensions
Filter Diameter
77 mm / 3.03 in
55 mm / 2.17 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
65 mm / 2.56 in
72 mm / 2.83 in
Size | Length
89 mm / 3.50 in
75 mm / 2.95 in
Weight
583 g / 20.60 oz
290 g / 10.25 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
Aperture
f/2 ~ f/22
f/2.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
16 mm
18 mm ~ 50 mm
16 mm
Focal Length (35mm Equivalent)
24.0 mm
27.0 mm ~ 75.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Yes
Zoom Type
External zoom
Performance
Max Magnification
0.1x
Min Focus Distance
200 mm / 7.87 in
120 mm / 4.72 in
250 mm / 9.84 in
Production
Accessory
Lens hood included
Lens Hood: LH582-02 (supplied)
Lens Hood: LH716-01, supplied
Debut
2013-06-13
2021-10-19
Made In
Japan
Japan
Reviews
Neofiliac score
50%
55%
Pros
- A bit large for an APS-C lens
- Constant f/2.8 aperture
- Very sharp wide open
- Dust and splash protection
- F1.4 aperture
- Very sharp
- Fast and silent
- Very good performance
Cons
- Not the best grade of build
- Not the strongest IQ
- External zoom without zoom lock
- Not stabilized
- Not as sharp as some APS-C lenses
- High chromatic aberrations
- Small aperture
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