BENOISON Telephoto Lens for Nikon - F Lens 420-800mm for Nikon DSLR, Manual Focus MF Zoom Lens for Nikon D3500 D850 D7500 D5600 D3400 D500 D7200 D5500 D750 D810 D3300 D5300 D610 D7100 D5200 etc

【Note: Manual Focus/MF】Please note: This is a manual focus lens (no autofocus/no AF)"". MUST need to ""Set to camera mode to M (Manual)"" for use, otherwise it will show the ""Lens not attached"" error (it will not allow you to press to shutter when in error page"". More important, manual lens MUST need to manual turn the ""focus ring"" on the lens to achieve focus.. 【Super Telephoto Lens】Manual focus telephoto 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, F mount, built with high-quality materials and robust construction, making them durable and long-lasting;. 【Upgraded version】Upgraded into an F mount, which can be mounted on Nikon DSLR 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;. 【F Mount Compatibility】Compatible with Nikon D-series DSLR cameras: D850 D810 D810A D800 D800E D780 D750 D700 D610 D600 D500 D300 D300S D200 | D7500 D7200 D7100 D7000 D5600 D5500 D5300 D5200 D5100 D5000 D3500 D3400 D3300 D3200 D3100 D3000 | D100 D90 D80 D70 D70S D60 D50 D40X D40 | D6 D5 D4S D4 D3S D3X D3 D2XS D2X D2H D1X D1H D1;. 【NO electronic contacts and No Autofocus Motor】Manual lenses lack electronic contacts, so you need to use our lens in Mode M. In the meantime, you must set the ISO/Shutter speed in mode M, otherwise the photo will come out too Bright/Black. On manual lenses, the camera may display F-- because it doesn't have direct access to the aperture value.