Review Lens: Samyang 20mm F1.8 ED AS UMC Micro 4/3

Lens Overview - Samyang 20mm F1.8

Sony FE 20mm f/1.8 G Lens - Hands-on review with Ben LowyIntroducing FE 20mm F1.8 G Sony Lens

Presenting an ultra-wide field of view, the Sony FE 20mm f/1.8 G is a sleek and wide-eyed prime lens characterized by its portability, advanced optical design, and intuitive handling. The optical design incorporates a pair of aspherical elements and three extra-low dispersion elements to greatly reduce a variety of aberrations and distortion. A Nano AR Coating has also been applied to further reduce surface reflections and flare for improved contrast when working in bright and backlit conditions. Benefitting the optics, this lens also sports a dual XD Linear Motor system that is quick and quiet, and also lends more responsive control for manual focus operation. The lens also has a dust- and moisture-sealed design, along with a fluorine coating, to support shooting in inclement conditions.

Ultra-wide prime lens is designed for full-frame Sony E-mount mirrorless cameras but can also be used with APS-C models where it provides a 30mm equivalent focal length.
Bright f/1.8 maximum aperture suits working in difficult lighting conditions and helps to maintain a relatively compact form factor.
Two AA (Advanced Aspherical) elements help to greatly reduce distortion and spherical aberrations in order to accurately render scenes with a high degree of sharpness.
Three extra-low dispersion elements reduce color fringing and chromatic aberrations for improved clarity and color accuracy.
A Nano AR Coating has been applied to minimize surface reflections, flare, and ghosting for increased contrast and color rendering in strong lighting conditions.
Dual XD Linear Motor system provides quick, quiet, and precise autofocus performance and also contributes to more natural, intuitive manual focus control. An AF/MF switch is located on the lens barrel for tactile control over this setting.
Customizable focus hold buttons are present on the lens barrel for intuitive tactile control and rapid access to select settings.
Physical aperture ring can be de-clicked for smooth, silent aperture switching to benefit video applications.
Dust- and moisture-sealed design better permits working in inclement conditions and rubberized control rings benefit handling in colder temperatures.
Fluorine-coated front element resists dust, moisture, and fingerprints and is easy to clean.
Rounded nine-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.
UPC: 027242916142

Samyang 20mm F1.8 Latest Price



Focal Length20mm
Maximum Aperturef/1.8
Minimum Aperturef/22
Lens MountSony E
Format CompatibilityFull-Frame
Angle of View94°
Minimum Focus Distance7.09" / 18 cm
Maximum Magnification0.2x
Optical Design14 Elements in 12 Groups
Diaphragm Blades9, Rounded
Focus TypeAutofocus
Image StabilizationNo
Filter Size67 mm (Front)
Dimensions (ø x L)2.89 x 3.33" / 73.5 x 84.7 mm
Weight13.16 oz / 373 g

Photos Example - Samyang 20mm F1.8

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Mitakon Speedmaster 85mm f/1.2 Nikon $519 $799 2015Mitakon Medium - Telephoto
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Canon RF 85mm F1.2L USM $1755 $2700 2019Canon Medium - Telephoto
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Samyang 35mm F1.2 ED AS UMC CS Sony E Save 30% 2016Samyang Wide - Medium
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Samyang Premium MF 85mm F1.2 Canon Save 30% 2016Samyang Medium - Telephoto
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Samyang 50mm F1.2 AS UMC CS Fujifilm X $357 $549 2015Samyang Medium
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Mitakon Speedmaster 85mm f/1.2 Sony FE $519 $799 2015Mitakon Medium - Telephoto
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Lens Technical

Samyang 20mm F1.8 ED AS UMCYongnuo YN 50mm F1.8 II CanonSigma 135mm F1.8 DG HSM A
Name Samyang 20mm F1.8 ED AS UMC Micro 4/3Yongnuo YN 50mm F1.8 II CanonSigma 135mm F1.8 DG HSM A Sony FE
Max Aperture At Min Focal f/1.8f/1.8f/1.8
Year 201620182018
Mount Type Micro 4/3Canon EFSony FE
Lens Type Lens Superwide,lens WideLens MediumLens Telephoto
Auto Focus NoNoNo
Price $90$1400
Lens Zoom PrimePrimePrime
Lens Range 2050135
Zoom Factor 111
Weight 1lb1lb1lb
Macro NoNoNo
Launch Date Aug. 2016May. 2018Aug. 2018
Brand SamyangYongnuoSigma


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