400 to 800mm. Sony FE 400-800mm f/6.3-8 G OSS Lens (Sony E). Sony FE 400-800mm f6.3-8 G OSS Lens Key Features. Fast, precise autofocus (AF). Sony E/FE Mount Lenses. Lens Filters. The lens weighs in at just 2475g which is very reasonable for a lens of this focal length.
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