Compare Samyang 24mm F1.4 ED AS IF UMC vs Samyang 20mm F1.8 ED AS UMC vs Canon RF 24mm F1.8 Macro
Construction
Aperture Blades
7 blades
9 blades, Rounded blades
Colors
Black
Black
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Wide-Angle Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale
Lens Mount
Canon EF-mount, Nikon F-mount, Micro Four Thirds-mount, Pentax K-mount, Sony A-mount, Sony E-mount, Samsung NX-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 RF-mount
Motor
Stepper motor
Optical Formula | Elements
13 elements
13 elements
11 elements
Optical Formula | Groups
12 groups
12 groups
9 groups
Optical Formula | Special Glass
4 ED glass elements, 2 aspherical elements groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
It uses one ultra-low dispersion element and one aspherical element. It features Canon’s Super Spectra Coating (SSC). groups
Dimensions
Filter Diameter
77 mm / 3.03 in
77 mm / 3.03 in
52 mm / 2.05 in
Size | Diameter
83 mm / 3.27 in
83 mm / 3.27 in
74 mm / 2.91 in
Size | Length
88 mm / 3.46 in
63 mm / 2.48 in
Weight
497 g / 17.56 oz
270 g / 9.54 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
Aperture
f/1.4 ~ f/22
f/1.8 ~ f/22
f/1.8 ~ f/22
Autofocus
No
No
Yes
Focal Length
24 mm
20 mm
24 mm
Focus Type
Internal
Extending front
Image Stabilization
No
Yes (5.5 stops)
Weather Resistance
No
No
Performance
Max Magnification
0.5x
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
140 mm / 5.51 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2011-08-12
2016-08-08
2022-07-12
Reviews
Neofiliac score
59%
59%
65%
Pros
- Bright maximum aperture
- Affordable choice in its class
- Rather affordable
- Optically stabilized
- Compact and lightweight
- 0.5x maximum reproduction
Cons
- Lacks weather sealing
- Not the best IQ
- Not the highest grade of construction
- Lacks weather sealing
- Not the highest grade of build
- Questionable build quality
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