BENOISON 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 LensManual 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 high-quality materials and robust construction, making them durable and long-lasting;

E mount Lens for Sony Mirrorless Camera420-800mm Manual Telephoto Lens Compatible for Sony A7C A7R A7S A7 A9 Alpha a6700 a6600 a6500 a6400 a6300 a6100 a6000 a5100 a5000 a3000 NEX-7 NEX-6 NEX-5T NEX-5R ZV-E10 etc (for Sony E mount);

Upgraded VersionUpgraded into an E mount, which can be mounted on Sony cameras without connecting the T adapter ring. For those who photograph wildlife or the moon as a hobby, this lens would be a great choice;

User InstractionThis is a FULL MANUAL lens, NO Electronic Contacts, your camera will not allow to press the shutter after the lens is mounted(Or pop up an error page), please set the "Release w/o Lens" option in the camera menu to "Enable". Tips to use our Manual Lens: 1) Set the Release w/o Lens option in the camera menu to Enable. 2) Set the mode dial to Manual (M);

Manual FocusThe lens has a focus ring located near the front. Manually rotate this focus ring to adjust the focus. Turn the ring slowly until the subject you want to focus on appears sharp and clear. Also, with manual lenses, the aperture value is not displayed in the viewfinder (F-- is displayed).