Samyang 300mm f/6.3 ED UMC CS Mirror Lens - Sample Images
Info and Reviews:
It is also sold under a number of different brands such as Walimex, Rokinon, Vivitar and Bower.
Introduced: 2014
Optical design: 9 elements in 6 groups
Lens mount: Canon EF, Canon M, Nikon F, Sony E Mount, Sony A Mount, Fujifilm X, MFT (Micro Four Thirds)
Covers: APS-C
More info:
http://www.samyang-lens.co.uk/samyang-300mm-f63-reflex-mirror-lens.html
Review:
http://www.photoreview.com.au/reviews/lenses/m4-3/samyang-reflex-f-6.3-300mm-ed-umc-cs
