Mike Tomkins has just posted a full review of the newly announced Panasonic Lumix S 70-300mm f/4.5-5.6 Macro O.I.S lens (Amazon /Adorama/ B&H) at the DPReview.com. He tested this new lens on Panasonic S1R and found such pros: Solid build with… Read morePanasonic Lumix S 70-300mm F4.5-5.6 MACRO O.I.S. Lens Review (DPReview)