Compare Samyang 24mm F1.4 ED AS IF UMC vs Samyang 20mm F1.8 ED AS UMC vs Canon EF-M 28mm F3.5 Macro
Construction
Aperture Blades
7 blades
7 blades
Colors
Black
Graphite
Form Factor
Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
APS-C
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 EF-M-mount
Motor
Stepper motor
Optical Formula | Elements
13 elements
13 elements
11 elements
Optical Formula | Groups
12 groups
12 groups
10 groups
Optical Formula | Special Glass
4 ED glass elements, 2 aspherical elements groups
Two aspherical + 3 ED elements, Ultra Multi Coating groups
One UD and two aspherical elements 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
61 mm / 2.40 in
Size | Length
88 mm / 3.46 in
46 mm / 1.81 in
Weight
497 g / 17.56 oz
130 g / 4.59 oz
Function
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
51.6° Diagonal | 43.8° Horizontal | 30.0° Vertical
Aperture
f/1.4 ~ f/22
f/1.8 ~ f/22
f/3.5 ~ f/22
Autofocus
No
No
Yes
Crop Factor
1.6
Focal Length
24 mm
20 mm
28 mm
Focal Length (35mm Equivalent)
44.8 mm
Focus Type
Internal
Extending front
Image Stabilization
No
Yes
Weather Resistance
No
No
No
Performance
Max Magnification
1.2x
Min Focus Distance
250 mm / 9.84 in
200 mm / 7.87 in
90 mm / 3.54 in
Production
Accessory
Lens hood included
Lens Hood: ES-22 (supplied)
Debut
2011-08-12
2016-08-08
2016-05-11
Reviews
Neofiliac score
59%
59%
71%
Pros
- Bright maximum aperture
- Affordable choice in its class
- Rather affordable
- Optically stabilized
- Short barrel
- Light in the hand
- High 1.2x maximum magnification
Cons
- Lacks weather sealing
- Not the best IQ
- Not the highest grade of construction
- Lacks weather sealing
- Not the highest grade of build
- Lacks front filter thread
- Lacks weather sealing
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