Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Canon EF 20mm f2.8 USM vs Samyang 24mm f1.4 ED AS UMCto review specs, pros and cons, and which is right for you.
Canon 20mm f2.8 USM Top Features
- 20mm Focal Range
- F2.8 Max Aperture
- Filter Thread: 72mm
- Max Format: 35mm FF
- Canon EF Mount
- Weight: 405g.
- Diameter: 78mm
- Length: 71mm
- Min Focus Distance:0.25m
- Max Magnification:0.14x
Samyang 24mm f1.4 Top Features
- 24mm Focal Range
- F1.4 Max Aperture
- Filter Thread: 77mm
- Max Format:
- Canon EF Mount
- Weight: 580g.
- Diameter: 83mm
- Length: mm
- Min Focus Distance:0.25m
Our Winner: Canon EF 20mm f2.8 USM over Samyang 24mm f1.4 ED AS UMC
Focal Length – Wide
20mm
vs
24mm
4mm Wider coverage
Diaphgragm Blades
5
vs
Potentially more rounded and smooth bokeh
Autofocus
Yes
vs
No
Easier, faster and more accurate focusing
Weight
405g
vs
580g
175g lighter
Diameter
78mm
vs
83mm
5mm smaller in diameter
Filter Thread
72mm
vs
77mm
Smaller filters are cheaper and easier to find
Max Magnification
0.14x
vs
x
higher magnification better for close-up shots
Focal Length – Tele
24mm
vs
20mm
4mm more Tele coverage
Max Aperture – Wide
1.4
vs
2.8
Wider aperture at wide end
Max Aperture – Tele
1.4
vs
2.8
Wider aperture at tele end
Aperture Ring
Yes
vs
No
able to adjust the aperture on the lens
Length
mm
vs
71mm
71mm shorter
Image Stabilization
No
vs
No
Reliant on in-body Image Stabilization
Weather Sealing
No
vs
No
not safe under rain and dust
Canon 20mm f2.8 USM vs Samyang 24mm f1.4 All Features
General
Canon 20mm f2.8 USM
Samyang 24mm f1.4
Brand
Canon
Samyang
Lens Type
Prime
Prime
Price
CHECK PRICE
CHECK PRICE
Lens Type
Wideangle Prime
Wideangle Prime
Lens Mount
Canon EF
Canon EF
Max Format
35mm FF
35mm FF
Focal Range
20mm
24mm
Image Stabilization
No
No
Colour
Black
Black
Zoom Method
No Zoom
No Zoom
Power Zoom
No
No
Zoom Lock
No
No
Zoom Ratio
1.0X
1.0X
Aperture
Max Aperture
F2.8
F1.4
Min Aperture
F22.0
F22.0
Aperture Ring
No
Yes
Diaphragm Blades
5
unknown
Optics
Optical Elements
11
13
Optical Groups
9
12
Special Elements
unknown
4 ED glass elements, 2 aspherical elements
Focusing
Min Focus Distance
0.25m
0.25m
Max Magnification
0.14X
unknown
Autofocus
Yes
No
AF Motor Type
Ultrasonic
None
Full Time Manual
Yes
N/A
Focus Method
Rear
Unknown
Distance Scale
Yes
Yes
DoF Scale
Yes
Yes
Distance Scale
Yes
Yes
Focus Distance Limiter
Unknown
Unknown
Physical Specs
Weight
405g
580g
Diameter
78mm
83mm
Length
71mm
Unknown
Materials
Plastic barrel, metal mount
Unknown
Weather Sealing
No
No
Filter Thread
72mm
77mm
Filter Notes
–
–
Hood Supplied
Unknown
Unknown
Hood Code
EW-75II
Unknown
Tripod Collar
No
No
Optional Accessories
Hard Case LH-D13 Soft Case LP1214
–
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