Combining a wide-angle perspective with a fast maximum aperture, this Rokinon 21mm f/1.4 Lens for Canon EF-M Blackfrom Rokinon 21mm f/1.4 Lens for Canon EF-M Blackis 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.

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    Ultra Multi-Coating    Internal Focus; Manual Focus Design    Non-Rotating 58mm Filter Mount    Rounded 9-Blade Diaphragm

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.

Related Questions and Answers

Q: 1. Is the IRIX MATTE BOX compatible with this IRIX 21mm PHOTO Lens?

A: Yes, the IRIX Cine Matte Box IQ can attach to the IRIX 21mm f/1.4 Dragonfly Lens for Canon EF.

Q: 2. Is the lens hood removable?

A: Yes, and you can store it by mounting it backward. By the way very, very good lens.

Q: 3. Can the aperture (Nikon F vers.) be controlled from the camera? That is, does it stop down only when the shutter fires?

A: The Rokinon 50mm f/1.4 AS IF UMC Lens for Nikon F Mount aperture cannot be controlled from the camera. The aperture needs to be set manually on the lens.

Q: 4. Is the aperture ring on this lens declicked for cine/video work ? What is the difference between this lens & Rokinon’s Cine line of lenses ? I would use as a prime on my FS7

A: It is not, this does not offer a de-clicked aperture. That is one of the main differences between this and a Rokinon Cine lens like B&H # RO5015TSE. Rokinon Cine Lenses offer a de-clicked aperture and have lens gears built in for use with Follow Focus Systems. https://bhpho.to/2psJeOp

Q: 5. One reviewer claims fast auto focus is this sense auto focus, or manual focus?

A: Manual focus

Q: 6. Does this lens have an autofocus confirmation chip?

A: No its does not need it. this lent is focus no matter what the distance you are from the subject all you need is to move the focus lens just a very very little and you in focus the pictures comes amazing sharp and beautiful and you don't need the flash at all only if you are in total darkness. Compare whit my 18-55mm wish i always use the flash whit -well no more flash whit this lens i really recommend is amazing.

Q: 7. hi there, will this work on sony a7 ?

A: It works on my NEX 6. I know nothing about the NEX 7. Remember, this is a fully manual lens

Q: 8. Hi, does this lens have clicking aperture ring or smooth motion?

A: aperture clicks' in half stops

Q: 9. Would this be compatible on a Nikon F3? I just recently picked one up and still not sure what lenses I can/can’t use on it

A: Yes it will.

Q: 10. 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?

A: Yes, while it is a 21mm lens, it has a field of view of a 42mm lens (in terms of 35mm photography).