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Samyang 21mm F1.4 ED AS UMC CS Sony E Review

Samyang 21mm F1.4 ED AS UMC CS

Main Features

  • 21mm Focal Range
  • F1.4 Max Aperture
  • Filter Thread: 58mm
  • Max Format: APS-C / DX
  • Sony E Mount
  • Weight: 275g.
  • Diameter: 64mm
  • Length: 68mm
  • Min Focus Distance:0.28m
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Samyang 21mm F1.4 ED AS UMC CS Overview

Samyang 21mm F1.4 ED AS UMC CS is a Fixed aperture Manual Focus (MF) Wideangle Prime lens with APS-C / DX max sensor coverage, and it is designed to be used with Sony E mount cameras. Samyang 21mm F1.4 ED AS UMC CS is also sold under the Rokinon 21mm F1.4 ED AS UMC CS name in some countries.

What type of photography is the Samyang 21mm F1.4 ED AS UMC CS lens good for?

The type of photography that you are planning to use the Samyang 21mm F1.4 ED AS UMC CS is an important decision factor. Here we have evaluated its suitability to various photography scenarios:

Photography Type Suitability
Bird/WildlifePoor
SportsPoor
PortraitAverage
TravelAverage
StreetExcellent
WeddingAverage
Walk AroundAverage
VloggingGood
LandscapeVery Good

Reasons to Buy Samyang 21mm F1.4 ED AS UMC CS Lens

Here, we've included a summary of the advantages and disadvantages of the Samyang 21mm F1.4 ED AS UMC CS lens in a list form to help you determine whether it offers the features you need.

PROs
Aperture Ring
Distance Scale
DoF(Depth of Field) Scale
Hood supplied
Full-time Manual Focusing
Very Fast Aperture
9 Diaphragm Blades
Minimum focus distance of 0.28m / 11.0 inch
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Buy Samyang 21mm F1.4 ED AS UMC CS from Amazon or B&H PHOTO


CONs
No Weather Sealing
No Autofocus

Lens Mount

Samyang 21mm F1.4 ED AS UMC CS is compatible with cameras that have Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX30, Sony ZV-E10 and Sony A6600.

Samyang 21mm F1.4 ED AS UMC CS is also available in Canon EF-M , Fujifilm X and Micro Four Thirds mounts.

Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. Samyang 21mm F1.4 ED AS UMC CS has a maximum diameter of 64mm and total length of 68mm. It weighs 275g / 9.7 oz.

Samyang 21mm F1.4 ED AS UMC CS has a filter thread of 58mm.

Focal Range

Samyang 21mm F1.4 ED AS UMC CS has a fixed focal lenght of 21mm which has a 35mm equivalent focal range of 31.5mm when used on a APS-C / DX format camera.

Aperture

Samyang 21mm F1.4 ED AS UMC CS has a max aperture of F1.4 and a minimum aperture of F22.

Optical Formula

Samyang 21mm F1.4 ED AS UMC CS 's optical formula consists of 8 elements in 7 groups . Following special elements are used in this design:

  • 3 aspherical
  • 2 ED elements
  • Ultra Multi Coating

Lens Hood

Samyang 21mm F1.4 ED AS UMC CS comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.

Body Colour

Samyang 21mm F1.4 ED AS UMC CS is available in Black color.

Popular Comparisons of Samyang 21mm F1.4 ED AS UMC CS

Here is the eight most popular comparisons of Samyang 21mm F1.4 ED AS UMC CS amongst Camera Decision readers.

Top Alternatives of Samyang 21mm F1.4 ED AS UMC CS Lens
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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Samyang 21mm F1.4 ED AS UMC CS Alternatives in Sony E Mount
Model Coverage Weight Focusing Street Price
Sony FE 20mm F1.8 G Lens Sony FE 20mm F1.8 G
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35mm FF 373gr AF Amazon B&H Photo
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35mm FF 215gr AF Amazon B&H Photo
Sigma 20mm F2 DG DN C Lens Sigma 20mm F2 DG DN C
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35mm FF 370gr AF Amazon B&H Photo
Samyang AF 18mm F2.8 FE Lens Samyang AF 18mm F2.8 FE
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35mm FF 145gr AF Amazon B&H Photo
Samyang 24mm f1.4 ED AS UMC Lens Samyang 24mm f1.4 ED AS UMC
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35mm FF 580gr MF Amazon B&H Photo
Sigma 20mm F1.4 DG DN Art Lens Sigma 20mm F1.4 DG DN Art
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35mm FF 635gr AF Amazon B&H Photo
Sigma 24mm F1.4 DG DN Art Lens Sigma 24mm F1.4 DG DN Art
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35mm FF 520gr AF Amazon B&H Photo
Samyang T-S 24mm f3.5 ED AS UMC Lens Samyang T-S 24mm f3.5 ED AS UMC
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35mm FF 393gr MF Amazon B&H Photo
Tokina Firin 20mm F2 FE MF Lens Tokina Firin 20mm F2 FE MF
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35mm FF 490gr MF Amazon B&H Photo
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35mm FF 225gr AF Amazon B&H Photo
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35mm FF 230gr AF Amazon B&H Photo
Zeiss Batis 25mm F2 Lens Zeiss Batis 25mm F2
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35mm FF 335gr AF Amazon B&H Photo
Samyang AF 24mm F2.8 FE Lens Samyang AF 24mm F2.8 FE
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35mm FF 93gr AF Amazon B&H Photo
Sigma 19mm F2.8 DN Lens Sigma 19mm F2.8 DN
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APS-C / DX 140gr AF Amazon B&H Photo
Sigma 19mm F2.8 EX DN Lens Sigma 19mm F2.8 EX DN
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APS-C / DX 140gr AF Amazon B&H Photo
ZEISS Loxia 21mm F2.8 Lens ZEISS Loxia 21mm F2.8
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35mm FF 394gr MF Amazon B&H Photo
Sigma 24mm F2 DG DN C Lens Sigma 24mm F2 DG DN C
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35mm FF 365gr AF Amazon B&H Photo
Venus Laowa 24mm F14 2x Macro Probe Lens Venus Laowa 24mm F14 2x Macro Probe
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35mm FF 474gr MF Amazon B&H Photo
Tokina atx-m 23mm F1.4 E Lens Tokina atx-m 23mm F1.4 E
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APS-C / DX 276gr AF Amazon B&H Photo
Zeiss Batis 18mm F2.8 Lens Zeiss Batis 18mm F2.8
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35mm FF 330gr AF Amazon B&H Photo
Venus Laowa 25mm F2.8 2.5-5X Ultra Macro Lens Venus Laowa 25mm F2.8 2.5-5X Ultra Macro
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35mm FF 400gr MF Amazon B&H Photo
7artisans 25mm F1.8 Lens 7artisans 25mm F1.8
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APS-C / DX 143gr MF Amazon B&H Photo
Samyang 20mm F1.8 ED AS UMC Lens Samyang 20mm F1.8 ED AS UMC
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35mm FF 497gr MF Amazon B&H Photo
Tokina Firin 20mm F2 FE MF Lens Tokina Firin 20mm F2 FE MF
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35mm FF 490gr MF Amazon B&H Photo

Samyang 21mm F1.4 ED AS UMC CS Detailed Specifications


General
Brand Samyang
Lens Type Prime
Lens Type Wideangle Prime
Lens Mount Sony E
Max Format APS-C / DX
Focal Range 21mm
Image Stabilization
Colour Black
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F1.4
Min Aperture F22
Aperture Ring Yes
Diaphragm Blades 9
Optics
Optical Elements 8
Optical Groups 7
Special Elements 3 aspherical and 2 ED elements + Ultra Multi Coating

FOCUSING
Min Focus Distance 0.28m
Max Magnification unknown
Autofocus No
AF Motor Type No AF
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 275g
Diameter 64mm
Length 68mm
Weather Sealing No
Filter Thread 58mm
Filter Notes -
Hood Supplied Yes
Tripod Collar No
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Frequently Asked Questions about Samyang 21mm F1.4 ED AS UMC CS
is the Samyang 21mm F1.4 ED AS UMC CS a Weather Sealed lens?
What is the Minimum Focusing Distance of Samyang 21mm F1.4 ED AS UMC CS
is the Samyang 21mm F1.4 ED AS UMC CS an Autofocus (AF) lens?
What is the Filter Thread Size of Samyang 21mm F1.4 ED AS UMC CS
Does Samyang 21mm F1.4 ED AS UMC CS have Image Stabilization?
Does Samyang 21mm F1.4 ED AS UMC CS have Aperture Ring?
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