Sentinel4 wrote:
Price: $65 (inc. Shipping to CONUS)
F 1:2.8-4.0; 70-210MM Macro Focusing Zoom.
It is considered the best of several lenses with the identical specs by Mark Roberts (google Mark Roberts-Vivitar Series 1 Lenses). It is rate 8.9 on Pentax Forums.
Switched to Fuji System and no longer use the lens.
Also have the well rated Tokina F 1:3.5-4.5, 356-135MM for Pentax available.
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Thanks.