The 16mm f/2.0 ED AS UMC CS Lens for Canon EF-M Mount from Samyang is a manual focus wide-angle prime lens compatible with APS-C format mirrorless digital cameras. It provides an 83.1° angle of view which translates into a 35mm format equivalency of 25.6mm. A fast maximum aperture of f/2.0 is effective in low light shooting and provides shallow depth of field. With two aspherical lens elements and one extra-low dispersion element, chromatic aberrations are minimized and sharp, color-accurate images are the result. UMC lens coating facilitates even light transmission and reduces ghosting and flares.
- Canon EF-M Mount/APS-C Format
- 25.6mm (35mm Equivalent)
- Aperture Range: f/2.0-22
- Two Aspherical Lens Elements
Samyang 16mm f/2.0 Overview
Samyang 16mm f/2.0 Specs
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Samyang 16mm f/2.0 Reviews
Very pleased with lens quality and performance
I am very pleased with the quality and performace of this Samyang 16mm lens. The downsides are that the lens is somewhat heavy and long on APS-C cameras.
Fantastic performance
First things first: I knew this lens was manual focus and manual aperture when I got it. I have been quite satisfied with the sharpness and color of the images, even wide-open. I can easily get excellent focus for still subjects using 5x or 10x magnification on Live View. I don't really miss autofocus too much, nor do I think I'd pay extra for a chipped version just to get focus confirm. That having been said, on moving subjects such as a cat, it can be difficult to get focused in time to get the shot. This is especially true because as a rather wide lens, it has to be placed close to the subject to get good framing. Turns out my cat just wants to turn away or walk away when I shove a big piece of glass in her face..... I also don't mind the manual aperture ring, in fact it's rather fun. However, I am very particular about knowing what settings were used for every shot so I can learn what worked and what didn't. Unfortunately, this means I live with the hassle of writing down what aperture I used every time. I know Samyang has some lenses with a chip and those all seem to control aperture electronically. I don't need to control aperture from the camera, but it would be nice to have the aperture automatically recorded in the EXIF. If Samyang even just had a version which still used a manual aperture ring but had an encoder to record the setting, I'd buy it. I got this lens primarily for the f/2.0 for astro, but I haven't had a chance to test that fully yet. However I really like that even though the imaging circle is APS-C sized, the rear of this lens does not protrude (unlike Canon EF-S glass). Thus it's possible to use, for instance, an in-body light-pollution-reduction filter using the "EOS APS clip" form factor.