Compare Samyang 21mm F1.4 ED AS UMC CS vs Samyang 10mm F2.8 ED AS NCS CS vs Sony E 15mm F1.4 G
Construction
Aperture Blades
9 blades, Circular blades
6 blades, Manual aperture setting via lens ring
7 blades
Colors
Black
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle 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
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-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
Sony E-mount
Motor
Linear Motor
Optical Formula | Elements
8 elements
14 elements
13 elements
Optical Formula | Groups
7 groups
10 groups
12 groups
Optical Formula | Special Glass
3 aspherical and 2 ED elements + Ultra Multi Coating groups
2 aspherical elements, 1 ED glass element groups
1 x ED, 1 x Super ED, 3 x Aspherical groups
Dimensions
Filter Diameter
58 mm / 2.28 in
55 mm / 2.17 in
Size | Diameter
64 mm / 2.52 in
86 mm / 3.39 in
67 mm / 2.64 in
Size | Length
68 mm / 2.68 in
77 mm / 3.03 in
70 mm / 2.76 in
Weight
275 g / 9.72 oz
580 g / 20.49 oz
219 g / 7.74 oz
Function
Angle Of View
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
87.8° Diagonal | 77.3° Horizontal | 56.1° Vertical
Aperture
f/1.4 ~ f/22
f/2.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
No
Yes
Crop Factor
1.5
1.5
1.5
Focal Length
21 mm
10 mm
15 mm
Focal Length (35mm Equivalent)
31.5 mm
15.0 mm
22.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.15x
Min Focus Distance
280 mm / 11.02 in
250 mm / 9.84 in
170 mm / 6.69 in
Production
Accessory
Lens hood included
Lens Hood: Integrated hood (supplied)
Lens Hood: ALC-SH171 (supplied)
Debut
2015-09-21
2013-12-06
2022-06-01
Model Name
SEL15F14G
Reviews
Neofiliac score
50%
40%
78%
Pros
- Bright maximum aperture
- Very sharp
- Good color rendition
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- Bright maximum aperture
- Light in the hand
- Weather-sealed
- Comes with physical aperture ring
- Good image quality
Cons
- Lacks weather sealing
- Lacks front filter thread
- Questionable build quality
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