Tamron SP AF Macro 1:2 (52EP) 90mm F2. 5 Lens Reviews - Pentax Forums
Tamron SP AF Macro 1:2 (52EP) 90mm F2. 5 reviews and specifications. This lens features an focus limiter. Released in 1990, its of course an full frame lens. The lens number suggests it is the auutofocus version of. This is a Tamron Prime lens.
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