Specification Brand : Shanrya BulletPoint1 : Compatibility: When used in conjunction with the included T2 OM mount adapter , 500mm F6.3 prime telephoto lens is suitable for DSLR camera. BulletPoint2 : Physical Design: It also includes a tripod mount and a removable lens hood to help minimize lens and ghosting. The rotatable tripod holder provides optimal balance and allows for quick and easy vertical format shooting during rotation. BulletPoint3 : Exquisite Workmanship: The lens has alloy body which has a strong texture, exquisite appearance, and exquisite craftsmanship. BulletPoint4 : Accurate Calibration: The manual focusing design is complemented by depth of field and distance calibration, making it easy to use pre focusing technology to provide and clear images. BulletPoint5 : Optical Design: The 500mm F6.3 telephoto lens has 4 sets of 4 optical structures, and multi layer coating can suppress lens spot and ghosting, improve contrast and color authenticity. Color : Black ExternallyAssignedProductIdentifier1 : 842623831711 ExternallyAssignedProductIdentifier2 : 0842623831711 FocalLengthDescription : 500 mm FocusType : Manual Focus ItemName : 500mm F6.3 Manual Telephoto Lens, Strong Texture 500mm F6.3 Super Telephoto Lens Accurate Scale Multi Layer Coating Alloy for Bird Photography (Black) ItemPackageDimensions_Height : 14 centimeters ItemPackageDimensions_Length : 46 centimeters ItemPackageDimensions_Width : 15 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : slr-camera-lenses Manufacturer : Shanrya Material : Thermoplastic Polyurethane (TPU) ModelName : Shanryaigwokp2szt-11 ModelNumber : Shanryaigwokp2szt-11 PartNumber : Shanryaigwokp2szt-11 Pattern : Geometric ProductDescription : 1. Physical Design: It also includes a tripod mount and a removable lens hood to help minimize lens and ghosting. The rotatable tripod holder provides optimal balance and allows for quick and easy vertical format shooting during rotation. 2. Lens Type: The 500mm F6.3 telephoto lens adopts a precise achromatic refractor design, which can obtain images with good peak contrast and flare control. You can use this lens in the M manual exposure mode. 3. Optical Design: The 500mm F6.3 telephoto lens has 4 sets of 4 optical structures, and multi layer coating can suppress lens spot and ghosting, improve contrast and color authenticity. 4. Accurate Calibration: The manual focusing design is complemented by depth of field and distance calibration, making it easy to use pre focusing technology to provide and clear images. 5. 500mm F/6.3 Achromatic Refraction Telephoto Lens: 500mm F/6.3 ultra long zoom lens is a good choice for bird and wildlife photography and ultra long distance photography. 6. Compatibility: When used in conjunction with the included T2 OM mount adapter , 500mm F6.3 prime telephoto lens is suitable for DSLR camera. 7. Exquisite Workmanship: The lens has alloy body which has a strong texture, exquisite appearance, and exquisite craftsmanship.