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Compare Samyang 20mm F1.8 ED AS UMC vs Tamron 24mm F/2.8

Construction

Aperture Blades
7 blades
7 blades
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
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
Motor
Micromotor
Optical Formula | Elements
13 elements
10 elements
Optical Formula | Groups
12 groups
9 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
Low-dispersion and aspherical elements + BBAR and fluorine coatings groups

Dimensions

Filter Diameter
77 mm / 3.03 in
67 mm / 2.64 in
Size | Diameter
83 mm / 3.27 in
73 mm / 2.87 in
Size | Length
88 mm / 3.46 in
64 mm / 2.52 in
Weight
497 g / 17.56 oz
215 g / 7.60 oz

Function

Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
Aperture
f/1.8 ~ f/22
f/2.8
Autofocus
No
Yes
Focal Length
20 mm
24 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
Yes

Performance

Max Magnification
0.5x
Min Focus Distance
200 mm / 7.87 in
120 mm / 4.72 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-08-08
2019-10-23
Model Name
F051

Reviews

Neofiliac score
59%
78%
Pros
  • Rather affordable
  • Sharp from f/2.8
  • 0.5x reproduction
  • Light in the hand
  • Weather-sealed
Cons
  • Lacks weather sealing
  • Not the highest grade of build
  • Slow autofocus
  • High distortion

Price

Offers (incl. referral links)
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