Sigma 300-600mm review by Christopher Frost and Northrup Andreapazzo 8 months ago 300-600mm at BHphoto. Amazon. Adorama. FotoErhardt. Fotokoch. WexUK. Northrup tested the L-mount version of the lens: Christopher Frost has published a review of the Sigma 300-600mm (E-mount version) and he really likes the lens:
