Combining a wide-angle perspective with a fast maximum aperture, this 21mm f/1.4 Lens from Rokinon is designed for Canon EF-M mirrorless cameras and provides a 33.6mm 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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Key Features
- EF-M-Mount Lens/APS-C Format
- 33.6mm (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 Canon EF-M mirrorless cameras and provides a 33.6mm 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
This 21mm f/1.4 lens is designed for APS-C-format Canon EF-M-mount mirrorless cameras and provides a 33.6mm 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: 084438764918
Rokinon 21mm f/1.4 Specs
Key Specs
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| Maximum Aperture | |
| Lens Mount | |
| Lens Format Coverage | |
| Focus Type | |
| Image Stabilization | |
| Filter Size |
| Maximum Aperture | |
| Minimum Aperture | |
| Lens Mount | |
| Lens Format Coverage | |
| Angle of View | |
| Minimum Focus Distance | |
| Optical Design | |
| Diaphragm Blades | |
| Focus Type | |
| Image Stabilization | |
| Filter Size | |
| Dimensions (ø x L) | |
| Weight |
Packaging Info
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Rokinon 21mm f/1.4 Reviews
See any errors on this page? Let us know
question
Is this a de-clicked lens for video use?
This is not a declicked lens.
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?
Yes, while it is a 21mm lens, it has a field of view of a 42mm lens (in terms of 35mm photography).
Date published: 2018-08-26
question
How's the video performance of this lens on Sony mirrorless cameras?
It is a sharp lens, it can lend itself to some great video, if that is how you choose to use it.
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?
This APS-C lens will push the camera into a crop mode that will give you a 31.5mm field of view.
Date published: 2019-05-23
question
If using this on a crop sensor would you get the 21mm view or still the 1.6 crop factor on canon?
1.6 crop
Date published: 2019-11-14
question
Is the focus a 'focus by wire' system, or a mechanical focus?
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.
Date published: 2018-08-26
question
hi there, will this work on sony a7 ?
It works on my NEX 6. I know nothing about the NEX 7. Remember, this is a fully manual lens
Date published: 2018-08-26
question
Is the lens hood removable?
Yes.
Date published: 2018-08-26