Compare Samyang 21mm F1.4 ED AS UMC CS vs Samyang 8mm F2.8 UMC Fisheye II vs Samyang 7.5mm F3.5 UMC Fisheye
Construction
Aperture Blades
9 blades, Circular blades
6 blades
Colors
Black
Silver, black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
APS-C
MFT
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Canon EF-M-mount, Fujifilm X-mount, Samsung NX-mount, Sony E-mount
Micro Four Thirds-mount
Optical Formula | Elements
8 elements
11 elements
9 elements
Optical Formula | Groups
7 groups
8 groups
7 groups
Optical Formula | Special Glass
3 aspherical and 2 ED elements + Ultra Multi Coating groups
2 aspherical + 3 ED, Ultra Multi Coating groups
Dimensions
Filter Diameter
58 mm / 2.28 in
Size | Diameter
64 mm / 2.52 in
60 mm / 2.36 in
60 mm / 2.36 in
Size | Length
68 mm / 2.68 in
65 mm / 2.56 in
48 mm / 1.89 in
Weight
275 g / 9.72 oz
265 g / 9.36 oz
197 g / 6.96 oz
Function
Angle Of View
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
180° Diagonal (fisheye)
180° Diagonal (fisheye)
Aperture
f/1.4 ~ f/22
f/2.8 ~ f/22
f/3.5 ~ f/22
Autofocus
No
No
No
Crop Factor
1.5
1.5
2.0
Focal Length
21 mm
8 mm
7.5 mm
Focal Length (35mm Equivalent)
31.5 mm
12.0 mm
15.0 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
No
Performance
Min Focus Distance
280 mm / 11.02 in
300 mm / 11.81 in
90 mm / 3.54 in
Production
Accessory
Lens hood included
Lens Hood: Built-in petal-type hood (supplied)
Debut
2015-09-21
2014-03-21
2011-09-05
Reviews
Neofiliac score
50%
31%
50%
Pros
- Bright maximum aperture
- Very sharp
- Good color rendition
- 180° FOV
- Reasonably well built
- Very light and compact
- 180° FOV
Cons
- Lacks weather sealing
- Lacks front filter thread
- Lacks weather sealing
- Lacks front filter thread
- Lacks weather sealing
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