Site Title

Compare Samyang 21mm F1.4 ED AS UMC CS vs Samyang AF 75mm F1.8 vs Samyang 20mm F1.8 ED AS UMC

Reviews

Neo score
50%
68%
59%
Pros
  • Bright maximum aperture
  • Very sharp
  • Good color rendition
  • Light and compact
  • Very sharp
  • Smooth rendering
  • Fast autofocus
  • Rather affordable
Cons
  • Lacks weather sealing
  • Lacks weather sealing
  • Not as sharp as Sony's 1.8/85
  • Lacks weather sealing
  • Not the highest grade of build

Price

Offers (incl. referral links)

Construction

Aperture Blades
9 blades, Circular blades
9 blades
7 blades
Colors
Black
Form Factor
Wide-Angle Prime Lens
Short Telephoto Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Sony E-mount
Sony E-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
Motor
Stepper motor
Optical Formula | Elements
8 elements
10 elements
13 elements
Optical Formula | Groups
7 groups
9 groups
12 groups
Optical Formula | Special Glass
3 aspherical and 2 ED elements + Ultra Multi Coating groups
2 HR and 3 ED elements groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups

Dimensions

Filter Diameter
58 mm / 2.28 in
58 mm / 2.28 in
77 mm / 3.03 in
Size | Diameter
64 mm / 2.52 in
65 mm / 2.56 in
83 mm / 3.27 in
Size | Length
68 mm / 2.68 in
69 mm / 2.72 in
88 mm / 3.46 in
Weight
275 g / 9.72 oz
230 g / 8.13 oz
497 g / 17.56 oz

Function

Angle Of View
69.0° Diagonal | 59.5° Horizontal | 41.7° Vertical
32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
Aperture
f/1.4 ~ f/22
f/1.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
Yes
No
Crop Factor
1.5
Focal Length
21 mm
75 mm
20 mm
Focal Length (35mm Equivalent)
31.5 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
No
No

Performance

Max Magnification
0.13x
Min Focus Distance
280 mm / 11.02 in
690 mm / 27.17 in
200 mm / 7.87 in

Production

Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2015-09-21
2020-04-20
2016-08-08
Made In
Korea
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