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
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 choice of photography type for which you intend to use the Samyang 21mm F1.4 ED AS UMC CS is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the 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 assist you in determining whether it offers the features you need.
Aperture Ring |
Distance Scale |
DoF(Depth of Field) Scale |
Hood supplied |
Full-time Manual Focusing |
Very Fast Aperture |
9 Diaphragm Blades for Smooth Bokeh |
Minimum focus distance of 0.28m / 11.0 inch |
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No Weather Sealing |
No Autofocus |
Lens Mount
Samyang 21mm F1.4 ED AS UMC CS is compatible with cameras that have a Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
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
The size and weight are crucial factors to consider 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.
Below, you'll find a scaled side-by-side image comparing the sizes of the Samyang 21mm F1.4 ED AS UMC CS and the Sony FE 20mm F1.8 G, offering a better understanding of their dimensions in real life. Check the detailed comparison of these two lenses here.
Samyang 21mm F1.4 ED AS UMC CS has a filter thread of 58mm. Below are links to the filters that we recommend you to consider for your Samyang 21mm F1.4 ED AS UMC CS :
Focal Range
Samyang 21mm F1.4 ED AS UMC CS has a fixed focal length of 21mm which has a 35mm equivalent focal range of 31.5mm when used on a APS-C / DX format camera.
Below are the 3 Wideangle Prime type Sony E mount lens alternatives with highest max magnification ratios:
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 are the eight most popular comparisons of the 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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