Features: brand new and high quality 420-800mm f/8.3-16 manual telephoto zoom lens. Manual for Focus Telephoto Zoom Lens to use with DSLR SLR Cameras. Multi Coated low-dispersion glass, anti-reflection coating. Create for Sharp high quality images. Manual adjustment, all metal structure, good light transmittance. Specifications: Material:Magnesium Aluminum Alloy Type:CN-/RF-/PX-/SY/ON/NK-/SM/for M/-EM/XF/EF Size:Approx. 8.5cm/3.34 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Telephoto Lens