Camera Accessories
420-800mm Telephoto Lens for Sony E - Manual Focus(MF) Zoom Lens for Sony A7C A7R A7S A7 A9 A6700 A6600 A6500 A6400 A6300 A6100 A6000 A5100 A5000 NEX-7 ZV-E10 etc (for Sony E Mount)
【Super Telephoto Lens】Manual focus telephoto lens, NOT original-lens, a focal length of 420-800mm and an aperture of F/8.3-16 (non-adjustable aperture value, f8.3 at 420mm and f16 at 800mm), filter size of 62mm, full frame, E mount, built with...
https://www.bizrate.co.uk/cameraaccessories/420-800mm-telephoto-lens-for-sony-oid36988790354.html