Compare Samyang 20mm F1.8 ED AS UMC vs Sony 70-350mm F4.5-6.3 G vs Canon EF-M 55-200mm f/4.5-6.3
Construction
Aperture Blades
7 blades
7 blades
7 blades
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
Sony E-mount
Canon EF-M-mount
Material
Metal barrel, plastic mount
Motor
Linear Motor
Stepper motor
Optical Formula | Elements
13 elements
19 elements
17 elements
Optical Formula | Groups
12 groups
13 groups
11 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
One aspherical and three ED (extra low dispersion) elements. groups
1 UD glass element groups
Dimensions
Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
52 mm / 2.05 in
Size | Diameter
83 mm / 3.27 in
77 mm / 3.03 in
61 mm / 2.40 in
Size | Length
88 mm / 3.46 in
142 mm / 5.59 in
87 mm / 3.43 in
Weight
497 g / 17.56 oz
625 g / 22.08 oz
260 g / 9.19 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 4.7° Diagonal | 3.9° Horizontal | 2.6° 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/4.5–6.3 ~ f/22–32
f/4.5–6.3 ~ f/22–32
Autofocus
No
Yes
Yes
Crop Factor
1.5
1.6
Focal Length
20 mm
70 mm ~ 350 mm
55 mm ~ 200 mm
Focal Length (35mm Equivalent)
105.0 mm ~ 525.0 mm
88.0 mm ~ 320.0 mm
Focus Type
Internal
Extending front
Internal
Image Stabilization
No
Yes
Yes
Weather Resistance
No
Yes
Zoom Type
External zoom (zoom lock available)
External zoom
Performance
Max Magnification
0.23x
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: ALC-SH160 (supplied)
Lens Hood: ET-54B (sold separately)
Debut
2016-08-08
2019-08-28
2014-06-17
Model Name
SEL70350G
Reviews
Neofiliac score
59%
62%
52%
Pros
- Rather affordable
- Optically stabilized
- Zoom lock prevents zoom creep
- Weather-sealed
- Great reach for an affordable price
- Optically stabilized
- Very useful focal range
- Affordable for what it offers
- Good sharpness
Cons
- Lacks weather sealing
- Not the highest grade of build
- Dark maximum aperture
- Not the most solid zoom mechanism
- Dark maximum aperture
- External zoom without zoom lock
- Lens hood not included
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