Compare Samyang 20mm F1.8 ED AS UMC vs Fujifilm XC 50-230mm F4.5-6.7 OIS II vs Canon EF-M 55-200mm f/4.5-6.3
Construction
Aperture Blades
7 blades
7 blades, Rounded diaphragm
7 blades
Colors
Silver
Form Factor
Ultra Wide-Angle Prime Lens
Super Telephoto Zoom Lens
Super Telephoto Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Physical aperture ring, Distance scale
Lens Mount
Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Fujifilm X-mount
Canon EF-M-mount
Material
Composite
Metal barrel, plastic mount
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
13 elements
13 elements
17 elements
Optical Formula | Groups
12 groups
10 groups
11 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
1 aspherical lens, 1 ED glass element groups
1 UD glass element groups
Dimensions
Filter Diameter
77 mm / 3.03 in
58 mm / 2.28 in
52 mm / 2.05 in
Size | Diameter
83 mm / 3.27 in
70 mm / 2.76 in
61 mm / 2.40 in
Size | Length
88 mm / 3.46 in
111 mm / 4.37 in
87 mm / 3.43 in
Weight
497 g / 17.56 oz
260 g / 9.19 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (wide) ~ 7.2° Diagonal | 6.0° Horizontal | 4.0° Vertical (tele)
27.6° Diagonal | 23.1° Horizontal | 15.5° Vertical (wide) ~ 7.7° Diagonal | 6.4° Horizontal | 4.3° Vertical (tele)
Aperture
f/1.8 ~ f/22
f/4.5–6.7 ~ f/22
f/4.5–6.3 ~ f/22–32
Autofocus
No
Yes
Yes
Crop Factor
1.5
1.6
Focal Length
20 mm
50 mm ~ 230 mm
55 mm ~ 200 mm
Focal Length (35mm Equivalent)
75.0 mm ~ 345.0 mm
88.0 mm ~ 320.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
Yes
Yes
Weather Resistance
No
Zoom Type
External zoom
External zoom
Performance
Max Magnification
0.2x
0.21x
Min Focus Distance
200 mm / 7.87 in
1100 mm / 43.31 in
1000 mm / 39.37 in
Production
Accessory
Lens hood included
Lens Hood: ET-54B (sold separately)
Debut
2016-08-08
2015-01-15
2014-06-17
Reviews
Neofiliac score
59%
62%
52%
Pros
- Rather affordable
- Optically stabilized
- Very useful focal range
- Affordable
- Optically stabilized
- Very useful focal range
- Affordable for what it offers
- Good sharpness
Cons
- Lacks weather sealing
- Not the highest grade of build
- Dark and variable maximum aperture
- External zoom without zoom lock
- Not the highest grade of build
- Not really sharp
- Dark maximum aperture
- External zoom without zoom lock
- Lens hood not included
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