The 135mm f/2.8 Smooth Transition Focus Lens from Sony is a manual focus prime lens that uses Sony's Smooth Trans Focus (STF) technology for a very unique effect on defocused light sources, changing the way defocused areas appear depending on how it is adjusted. The lens is constructed of 8 elements in 6 groups which all help to deliver sharp, clear photos. It has a minimum focusing distance of 2.9' and a front-end filter diameter of 72mm.
SLR, digital SLR
Min Focus Distance34.3
Max View Angle18
group(s) / 8 element(s)
Trans Focus (STF)
hood, dust cap, lens cap, lens case
a (alpha) DSLR-A100, DSLR-A100H, DSLR-A100K, DSLR-A100K Starter Kit,
DSLR-A100KB, DSLR-A100W, SLT-A57, SLT-A57K, SLT-A57M, SLT-A57Y,
SLT-A58K, SLT-A58M, SLT-A58Y, SLT-A65, SLT-A65V, SLT-A65VK, SLT-A65VL,
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