Additional information:
The Tamron SP 60-300 mm f/ 3.8-5.4 Adaptall-2 model 23A is a telephoto 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, and in so doing the lens length is changing). It is multicoated.
At a focal length of 60 mm the Tamron SP 60-300mm f/3.8-5.4 Adaptall-2 model 23A lens is capable of taking 1:1.55 macro scale pictures.
SP (Super Performance) - the lineup of Tamron best lenses. Links to online resources: PDF Files: Posted by: Nik_SSG Date of publication: 16.07.2011
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