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Compare Samyang 20mm F1.8 ED AS UMC vs Canon EF 24-105mm F3.5-5.6

Construction

Aperture Blades
7 blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Standard Zoom Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
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
Canon EF-mount
Motor
Stepper motor
Optical Formula | Elements
13 elements
17 elements
Optical Formula | Groups
12 groups
13 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
Size | Diameter
83 mm / 3.27 in
83 mm / 3.27 in
Size | Length
88 mm / 3.46 in
104 mm / 4.09 in
Weight
497 g / 17.56 oz
525 g / 18.55 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/1.8 ~ f/22
f/3.5–5.6 ~ f/22–32
Autofocus
No
Yes
Focal Length
20 mm
24 mm ~ 105 mm
Focus Type
Internal
Extending front
Image Stabilization
No
Yes
Weather Resistance
No
No
Zoom Type
External zoom

Performance

Max Magnification
0.3x
Min Focus Distance
200 mm / 7.87 in
400 mm / 15.75 in

Production

Accessory
Lens hood included
Lens Hood: EW-83M (sold separately), LP1219 lens pouch
Debut
2016-08-08
2014-09-15

Reviews

Neofiliac score
59%
52%
Pros
  • Rather affordable
  • Optically stabilized
  • Useful zoom range
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • External zoom without zoom lock
  • Lens hood not included
  • Lacks weather sealing
  • Not the highest build grade from Canon

Price

Offers (incl. referral links)
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