The Tamron SP 28-135 mm f/ 4-4.5 Adaptall-2 model 28A is a kit zoom lens for 35 mm SLR cameras popular in the 1970-90s (via the interchangeable Adaptall-2 mount).
The lens features a push-pull design (focal length is changed by pushing or pulling the focus ring, in so doing the lens length is changing). It is multicoated.
At a focal length of 28 mm the Tamron SP 28-135 mm f/ 4-4.5 Adaptall-2 model 28A is capable of taking 1:4 macro scale pictures, in so doing the minimum focusing distance is reduced to 0.26 m.
SP (Super Performance) - the lineup of Tamron best lenses.
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Posted by: Nik_SSG Date of publication: 18.07.2011