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Rokinon 24mm f1.4 Aspherical vs Sigma 20mm F1.4 DG HSM A
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Rokinon 24mm f1.4

Wideangle Prime | Nikon F (FX)

Rokinon 24mm f1.4 Aspherical

BUY from B&H PHOTO
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Sigma 20mm F1.4 DG HSM A

Wideangle Prime | Nikon F (FX)

Rokinon 24mm f1.4 Aspherical

BUY from B&H PHOTO
Reasons to choose Rokinon 24mm f1.4 Aspherical over Sigma 20mm F1.4 DG HSM A
Focal Length - Tele 24mm vs 20mm 4mm more tele coverage
Weight 580 g vs 950 g 370 g lighter
Diameter 83 mm vs 91 mm 8 mm smaller in diameter
Length mm vs 130 mm 130 mm shorter
Reasons to choose Sigma 20mm F1.4 DG HSM A over Rokinon 24mm f1.4 Aspherical
Price $705 vs $849 Cheaper by $144
Focal Length - Wide 20mm vs 24mm 4mm wider coverage
Diaphragm Blades 9 vs better Bokeh
Autofocus Yes vs None Easier and more accurate focusing
Rokinon 24mm f1.4 vs Sigma 20mm F1.4 DG HSM A Specs Table
Detailed comparison of specifications
General Rokinon 24mm f1.4 Sigma 20mm F1.4 DG HSM A
Brand Rokinon Sigma
Lens Type Prime Prime
Price $849.00 $704.65
Lens Type Wideangle Prime Wideangle Prime
Lens Mount Nikon F (FX) Nikon F (FX)
Max Format 35mm FF 35mm FF
Focal Range 24mm 20mm
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 F1.4 F1.4
Min Aperture F22.0
Aperture Ring Yes No
Diaphragm Blades unknown 9
Optics
Optical Elements 13 15
Optical Groups 12 11
Special Elements 4 ED glass elements, 2 aspherical elements Two FLD, five SLD elements + Super Multi-Layer coating
Focusing
Min Focus Distance 0.25m 0.3m
Max Magnification unknown 0.14X
Autofocus No Yes
AF Motor Type None Ring-type ultrasonic
Full Time Manual N/A Yes
Focus Method Unknown Internal
Distance Scale Yes Yes
DoF Scale Yes No
Distance Scale Yes Yes
Focus Distance Limiter Unknown Unknown
Physical Specs
Weight 580g 950g
Diameter 83mm 91mm
Length Unknown 130mm
Materials Unknown Unknown
Weather Sealing No No
Filter Thread 77mm Unknown
Filter Notes - -
Hood Supplied Unknown Yes
Hood Code Unknown Unknown
Tripod Collar No No
Optional Accessories - -
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