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Rokinon 21mm f/1.4 Lens for Sony E (Black)

BH #RO2114SE • MFR #RK21M-E
Rokinon 21mm f/1.4 Lens for Sony E (Black)
Key Features
  • E-Mount Lens/APS-C Format
  • 31.5mm (35mm Equivalent)
  • Aperture Range: f/1.4 to f/22
  • 3 Aspherical Elements, 1 ED Element
Combining a wide-angle perspective with a fast maximum aperture, this 21mm f/1.4 Lens from Rokinon is designed for Sony E mirrorless cameras and provides a 31.5mm equivalent focal length. One extra-low dispersion element and a trio of aspherical elements are incorporated into the lens construction, and help to control aberrations and distortions for increased clarity and sharpness. The bright f/1.4 maximum aperture excels in difficult lighting conditions and also enables greater control over focus placement, which is further complemented by the manual focus design and rounded nine-blade diaphragm to produce a quality of bokeh. Additionally, an Ultra Multi-Coating has also been applied to all lens elements to reduce lens flare and ghosting for increased contrast and color fidelity when working in harsh lighting conditions.
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Rokinon 21mm f/1.4 Overview

Combining a wide-angle perspective with a fast maximum aperture, this 21mm f/1.4 Lens from Rokinon is designed for Sony E mirrorless cameras and provides a 31.5mm equivalent focal length. One extra-low dispersion element and a trio of aspherical elements are incorporated into the lens construction, and help to control aberrations and distortions for increased clarity and sharpness. The bright f/1.4 maximum aperture excels in difficult lighting conditions and also enables greater control over focus placement, which is further complemented by the manual focus design and rounded nine-blade diaphragm to produce a quality of bokeh. Additionally, an Ultra Multi-Coating has also been applied to all lens elements to reduce lens flare and ghosting for increased contrast and color fidelity when working in harsh lighting conditions.

This 21mm f/1.4 lens is designed for APS-C-format Sony E-mount mirrorless cameras and provides a 31.5mm equivalent focal length.
Bright f/1.4 maximum aperture is ideal for working in low-light conditions and also offers greater control over your focus position for selective focus applications.
One extra-low dispersion element and three aspherical elements are incorporated within the lens design and help to control chromatic and comatic aberrations, as well as reduce color fringing, for sharper, clearer imagery.
An Ultra Multi-Coating has been applied to all lens elements in order to suppress lens flare and ghosting for increased contrast and color accuracy.
This manual focus lens has a non-rotating 58mm front filter mount to better enable the use of polarizing, graduated ND, and other filter types that require precise positioning. Additionally, its internal focus design maintains the overall length of the lens during use.
Rounded nine-blade diaphragm contributes to a pleasing out-of-focus quality when using selective focus or shallow depth of field techniques.
UPC: 084438764857

Rokinon 21mm f/1.4 Specs

Key Specs
Focal Length
21mm (35mm Equivalent: 31.5mm)
Maximum Aperture
f/1.4
Lens Mount
Sony E
Lens Format Coverage
APS-C
Focus Type
Manual Focus
Image Stabilization
No
Filter Size
58 mm (Front)
Maximum Aperture
f/1.4
Minimum Aperture
f/22
Lens Mount
Sony E
Lens Format Coverage
APS-C
Angle of View
69.3°
Minimum Focus Distance
11.81" / 30 cm
Optical Design
8 Elements in 7 Groups
Diaphragm Blades
9, Rounded
Focus Type
Manual Focus
Image Stabilization
No
Filter Size
58 mm (Front)
Dimensions (ø x L)
2.53 x 2.66" / 64.3 x 67.6 mm
Weight
9.7 oz / 275 g
Packaging Info
Package Weight
0.92 lb
Box Dimensions (LxWxH)
5.05 x 4.8 x 4.7"

Rokinon 21mm f/1.4 Reviews

See any errors on this page? Let us know

question

How's the video performance of this lens on Sony mirrorless cameras?
Asked by: Yetesh S.
It is a sharp lens, it can lend itself to some great video, if that is how you choose to use it.
Answered by: Andrea O.
Date published: 2018-08-26

It says, "APS-C Format" and "31.5mm (35mm ...

It says, "APS-C Format" and "31.5mm (35mm Equivalent)" Does that mean on a full frame camera, such as the a7ii that this would be look identical to a 35mm focal length and not a 21mm?
Asked by: Aidan
This APS-C lens will push the camera into a crop mode that will give you a 31.5mm field of view.
Answered by: Reuben
Date published: 2019-05-23

question

Is this a de-clicked lens for video use?
Asked by: Bobby
This is not a declicked lens.
Answered by: Heather S.
Date published: 2018-08-26

question

So if this was used on the gh4 it would be a 42 mm lens because of it being a micro 4/3 cropped sensor?
Asked by: andrew g.
Yes, while it is a 21mm lens, it has a field of view of a 42mm lens (in terms of 35mm photography).
Answered by: Andrea O.
Date published: 2018-08-26

question

hi there, will this work on sony a7 ?
Asked by: Anonymous
I use it on my Sony A7s and it works great.
Answered by: Chase P.
Date published: 2018-08-26

question

is this formatted for Full Frame or just APS-C sensors?
Asked by: Neil Y.
Aps-c, you can use it on full frame but it would be cropped. It's doesnt cover the whole image circle on full frame.
Answered by: JEF L.
Date published: 2018-08-26

question

I'm assuming this works with the sony a6300, right?
Asked by: Aslak K.
Yes it will work. I use it on my 6000 and Nex 7. Lightroom now has lens corrections for Rokinon lenses along with other makes.
Answered by: Homer W.
Date published: 2018-08-26

question

Is the focus a 'focus by wire' system, or a mechanical focus?
Asked by: Porter
It's a manual focus lens but it's very easy to focus if your camera has focus peaking feature. Setting the focus distance to infinity and aperture f8 everything over 3m will be tack sharp.
Answered by: Stephen A.
Date published: 2018-08-26
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