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Samyang 20mm F1.8 ED AS UMC vs Sigma 24mm F1.4 DG HSM A
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Samyang 20mm F1.8

Wideangle Prime | Canon EF

Samyang 20mm F1.8 ED AS UMC

BUY from B&H PHOTO
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Sigma 24mm F1.4 DG HSM A

Wideangle Prime | Canon EF

Samyang 20mm F1.8 ED AS UMC

BUY from B&H PHOTO
Reasons to choose Samyang 20mm F1.8 ED AS UMC over Sigma 24mm F1.4 DG HSM A
Price $438 vs $684 Cheaper by $246
Focal Length - Wide 20mm vs 24mm 4mm wider coverage
Weight 497 g vs 665 g 168 g lighter
Diameter 83 mm vs 85 mm 2 mm smaller in diameter
Length 88 mm vs 90 mm 2 mm shorter
Reasons to choose Sigma 24mm F1.4 DG HSM A over Samyang 20mm F1.8 ED AS UMC
Focal Length - Tele 24mm vs 20mm 4mm more tele coverage
Max Aperture - Wide 1.4 vs 1.8 faster lens at wide
Diaphragm Blades 9 vs 7 better Bokeh
Autofocus Yes vs None Easier and more accurate focusing
Samyang 20mm F1.8 vs Sigma 24mm F1.4 DG HSM A Specs Table
Detailed comparison of specifications
General Samyang 20mm F1.8 Sigma 24mm F1.4 DG HSM A
Brand Samyang Sigma
Lens Type Prime Prime
Price $438.00 $683.58
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
Colour Unknown
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F1.8 F1.4
Min Aperture F22 F16.0
Aperture Ring Yes No
Diaphragm Blades 7 9
Optics
Optical Elements 13 15
Optical Groups 12 11
Special Elements Two aspherical + 3 ED elements, Ultra Multi Coating FLD and SLD elements
Focusing
Min Focus Distance 0.2m 0.25m
Max Magnification unknown unknown
Autofocus No Yes
AF Motor Type No AF Ultrasonic
Full Time Manual Yes Unknown
Focus Method Internal Internal
Distance Scale Yes Yes
DoF Scale Unknown No
Distance Scale Yes Yes
Focus Distance Limiter Unknown Unknown
Physical Specs
Weight 497g 665g
Diameter 83mm 85mm
Length 88mm 90mm
Materials Unknown Unknown
Weather Sealing No Unknown
Filter Thread 77mm 77mm
Filter Notes - -
Hood Supplied Yes Unknown
Hood Code Unknown Unknown
Tripod Collar No No
Optional Accessories - -
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