A user’s view of the Tamron 90mm F/2.8 SP di
I bought this Tamron 90mm f/2.8 SP di lens about 18 months ago as a 1:1 macro lens to be a supplement to my Tamron 70 – 300mm Macro Zoom. Although the zoom is a nice lens and was remarkably cheap (about £90) I wanted a lens that would produce a full 1:1 macro and be of better quality. Because I owned a Pentax camera, the choice in a Pentax K mount came down to Pentax SMC-D FA 100mm f/2.8...
