Sony has unveiled the FE 100-400mm F4.5 GM OSS, a G Grasp telephoto zoom constructed round a continuing F4.5 aperture throughout your complete focal vary, an inner zoom design, and 4 XD Linear Motors driving a floating focus system. The brand new lens sits alongside the prevailing 2017-vintage FE 100-400mm F4.5-5.6 GM quite than changing…