Samyang 20mm F1.8 ED AS UMC vs Rokinon 24mm f1.4 Aspherical Detailed Comparison

Samyang 20mm F1.8 ED AS UMC vs Rokinon 24mm f1.4 Aspherical

Lens to replace

Change

Wideangle Prime | Pentax KAF

Change

Rokinon 24mm f1.4

Wideangle Prime | Pentax KAF

Reasons to choose Samyang 20mm F1.8 ED AS UMC over Rokinon 24mm f1.4 Aspherical

Reasons to choose Rokinon 24mm f1.4 Aspherical over Samyang 20mm F1.8 ED AS UMC

Samyang 20mm F1.8 vs Rokinon 24mm f1.4 Specs Table

Detailed comparison of specifications

General	Samyang 20mm F1.8	Rokinon 24mm f1.4
Brand	Samyang	Rokinon
Lens Type	Prime	Prime
Price	$599.00	$479.00
Lens Type	Wideangle Prime	Wideangle Prime
Lens Mount	Pentax KAF	Pentax KAF
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	F22.0
Aperture Ring	Yes	Yes
Diaphragm Blades	7	unknown
Optics
Optical Elements	13	13
Optical Groups	12	12
Special Elements	Two aspherical + 3 ED elements, Ultra Multi Coating	4 ED glass elements, 2 aspherical elements
Focusing
Min Focus Distance	0.2m	0.25m
Max Magnification	unknown	unknown
Autofocus	No	No
AF Motor Type	No AF	None
Full Time Manual	Yes	N/A
Focus Method	Internal	Unknown
Distance Scale	Yes	Yes
DoF Scale	Unknown	Yes
Distance Scale	Yes	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	497g	580g
Diameter	83mm	83mm
Length	88mm	Unknown
Materials	Unknown	Unknown
Weather Sealing	No	No
Filter Thread	77mm	77mm
Filter Notes	-	-
Hood Supplied	Yes	Unknown
Hood Code	Unknown	Unknown
Tripod Collar	No	No
Optional Accessories	-	-
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