photo:samyang500mmf6.3
Samyang 500mm f/6.3 mirror lens
introduction
NB. these lenses are often branded Rokinon, Opteka, Pro Optic, Vivitar, Bower, Walimex, Albinar, Falcon
this super telephoto lens introduced in 2010?? is a catadioptric mirror lens, and as with all such
mirror lenses, share the following characteristics:
specs
500mm focal length and field of view (5°) at infinity focus
fixed f/6.3 aperture
7 elements / 6 groups (multicoated)
closest focus 2m
95mm filter thread but mount turns when you focus + 34mm rear filter
119mm diameter, 98mm long and 705g
T2 camera mount
kit also includes a practical transport bag, T2 adapter for a selected system and protective caps
~$140
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reviews
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if outside temperature is 20F degrees below inside, you need to let the lens cool for 30 min or so before it is usable.
mounting the lens on a 36mm extension tube further improves close focus - without sacrificing infinity focus! (normally, it can focus way past infinity)
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photo/samyang500mmf6.3.txt · Last modified: 2014/05/17 19:36 by gary1