Extend your range by 1.4x. Full optical quality and operability are retained, offering outstanding performance for sports of wildlife photography in a compact, lightweight kit. Multiplies focal length by 1.4x with only a 1-stop light loss. Maintain the full image quality and AF performance of the lens, and feature a dust and moisture resistant design for maximum reliability when shooting outdoors. Compatible LensesFE 70-200mm f/2.8 GM OSSFE 70-200mm f/2.8 GM OSS IIFE 100-400mm f/4.5-5.6 GM OSSFE 200-600mm f/5.6-6.3 G OSSFE 400mm f/2.8 GM OSSFE 600mm f/4 GM OSSSpecificationsFormat35mm Full-FrameMountSony E-mountLens Groups-Elements6 elements (no aspheric) in 5 groupsCompatible withSony FE 70-200mm f/2.8 GM (G Master) OSS E-Mount NEX Camera LensDimensions (Dia. x L)2-1/2 x 1-3/8" (62.4 x 33.6mm) max. 2-1/2 x 11/16 (62.4 x 17.2mm) mount baseWeightApprox. 5.9 oz (167g)
