Samyang 20mm F1.8 ED AS UMC vs Carl Zeiss Distagon T 3,518 Detailed Comparison

Samyang 20mm F1.8 ED AS UMC vs Zeiss Carl Distagon T 3,518

Lens to replace

Change

Wideangle Prime | Pentax KAF

Change

Carl Zeiss Distagon T3,5/18

Wideangle Prime | Pentax KAF

Reasons to choose Samyang 20mm F1.8 ED AS UMC over Carl Zeiss Distagon T 3,518

Reasons to choose Carl Zeiss Distagon T 3,518 over Samyang 20mm F1.8 ED AS UMC

Samyang 20mm F1.8 vs Carl Zeiss Distagon T3,5/18 Specs Table

Detailed comparison of specifications

General	Samyang 20mm F1.8	Carl Zeiss Distagon T3,5/18
Brand	Samyang	Zeiss
Lens Type	Prime	Prime
Price	$599.00	$1,395.00
Lens Type	Wideangle Prime	Wideangle Prime
Lens Mount	Pentax KAF	Pentax KAF
Max Format	35mm FF	35mm FF
Focal Range	20mm	18mm
Image Stabilization		No
Colour	Unknown	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	F3.5
Min Aperture	F22	F22.0
Aperture Ring	Yes	Yes
Diaphragm Blades	7	unknown
Optics
Optical Elements	13	13
Optical Groups	12	11
Special Elements	Two aspherical + 3 ED elements, Ultra Multi Coating	unknown
Focusing
Min Focus Distance	0.2m	0.3m
Max Magnification	unknown	0.083X
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	470g
Diameter	83mm	87mm
Length	88mm	84mm
Materials	Unknown	metal barrel, metal mount
Weather Sealing	No	No
Filter Thread	77mm	82mm
Filter Notes	-	-
Hood Supplied	Yes	Yes
Hood Code	Unknown	Unknown
Tripod Collar	No	No
Optional Accessories	-	-
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