Compare Samyang 10mm F2.8 ED AS NCS CS vs Samyang 12mm F2.8 ED AS NCS Fisheye vs Samyang AF 18mm F2.8
Construction
Aperture Blades
6 blades, Manual aperture setting via lens ring
7 blades, Circular blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
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
Canon EF-mount, Nikon F-mount, Pentax K-mount, Sony A-mount, Sony E-mount
Sony E-mount
Motor
Stepper motor
Optical Formula | Elements
14 elements
12 elements
9 elements
Optical Formula | Groups
10 groups
8 groups
8 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
2 aspherical, 3 ED, nano coating system groups
2 HR, 3 aspherical, 3 ED elements + UMC coating groups
Dimensions
Filter Diameter
58 mm / 2.28 in
Size | Diameter
86 mm / 3.39 in
77 mm / 3.03 in
64 mm / 2.52 in
Size | Length
77 mm / 3.03 in
73 mm / 2.87 in
61 mm / 2.40 in
Weight
580 g / 20.49 oz
515 g / 18.20 oz
145 g / 5.12 oz
Function
Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
180° Diagonal (fisheye)
100.5° Diagonal | 90.0° Horizontal | 67.4° Vertical
Aperture
f/2.8 ~ f/22
f/2.8 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Yes
Crop Factor
1.5
Focal Length
10 mm
12 mm
18 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
Performance
Max Magnification
0.09x
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
250 mm / 9.84 in
Production
Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2013-12-06
2014-11-01
2019-08-29
Made In
Korea
Reviews
Neofiliac score
40%
40%
59%
Pros
- One of the widest rectilinear lens for APS-C
- Reasonable IQ
- Bright f/2.8 aperture
- 180° FOV
- Reasonably good sunstar
- Light and compact
- Fast autofocus
- High contrast
- Good sharpness
Cons
- Lacks front filter thread
- Lacks front filter thread
- Lacks weather sealing
- Not the sharpest
- Low maximum magnification
- Lacks weather sealing
- Focus breathing
- Strong vignetting wide open
- Full plastic construction
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