Here are roundup reviews of new announced Sony FE 200-600mm f/5.6-6.3 G OSS Lens (B&H/Adorama/Amazon/Focus Camera) and FE 600mm f/4 GM OSS Lens (B&H/Adorama/Amazon/Focus Camera). The Sony FE 200-600mm f/5.6-6.3 G OSS Lens is currently best selling full frame E-mount lens at B&H Photo Video.