N°412307 · Family detail
SamyangWide·NIKON F mount·2016
Samyang 20mm F/1.8 ED AS UMC SLR
Specifications01
MountNIKON F
Focal length20mm
Max aperturef/1.8
TypeWide · Prime
Release year2016
Weight488 g
Filter size77 mm
Physical length85.9 mm
Barrel diameter83 mm
Min focus distance0.2 m
Aperture blades7
Optical elements13
Groups12
Weather sealedNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBayonet-type petal-shaped
TeleconvertersNot available
Sensor coverage35mm full frame
Production statusIn production
Additional Info02
ClassFast full-frame ultra-wide angle prime lens
Focus TypeAutofocus
Focus ModesManual focus only
Angle Of View70.5°
Original Name<No data>
Detail HeadingSamyang 20mm F/1.8 ED AS UMC SLR
Diaphragm TypeAutomatic (A)
Equiv ApertureF/2.8 (in terms of depth of field)
Fluorine CoatingNo
Mount And FlangeNikon F [46.5mm]
Country Of DesignROK (Republic of Korea)
Equiv Focal Length30.6mm (in terms of field of view)
Manual Focus ControlFocusing ring
Field Notes02
Samyang 20mm f/1.8 wide-angle prime for Nikon F, suitable for landscapes, interiors, and low-light shooting. It offers a bright maximum aperture for subject separation and available-light use.
AI-assisted summary — verify against linked sourcesSources03
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Other Mounts03
No alternate mounts are indexed for this family yet.