Hersmay Hersmay 420-800 mm f/8.3-16 Super TeleZoom Telephoto Lens Zoom Lens Vario Lens MFT for Panasonic GH4 GH5 GH5s Olympus E-PM1 E-PM2 E-PL1 E-PL2 E-PL3 E-M10 Mark II III Pen-F E-PL8 E-PL9 DSLR Camera

Attention: This is a manual focusing lens, which is not automatically detected by your camera. Please set your camera to M mode and set manually sharpFeatures:★ Focal length: 420-800 mm zoom lens.★ Close focusing distance: 1.6 metres from the front lens element.★ Aperture: maximum: f / 8.3; minimum: f / 16.★ Zoom system: Linear push-pull★ Exposure:Auto exposure is only possible in aperture priority mode for cameras with TTL measurement system. Other camera must be fully set in the instruction manual. Camera with TTL measurement: All Canon EOS Minolta Maxxum Pentax AF cameras and certain Nikon models.★ Focusing: Manual helix (rotation) operation (not AF compatible).★ 62 mm filter thread.★ Manual focus.★ Construction with 4 elements in 2 groups.★ Length: 222-310 mm (8.75-11.85 inches).★ Weight: 550g★ With T-mount adapter for all Panasonic Olympus Micro 4/3 DSLR cameras.Package includes:8.3mm Telephoto Lens x 1T to Micro 4/3 adapter mount x 1Front lens cap x 1.Rear lens cap x 1.1 x carry bag.