Specification AutofocusTechnology1 : Automatic AutofocusTechnology2 : Manual Brand : BENOISON BulletPoint1 : [Super Telephoto Lens] Manual 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, EF/EF-S mount, built with high-quality materials and robust construction, making them durable and long-lasting; BulletPoint2 : [Upgraded Version] Upgraded into an EF/EF-S mount, which can be mounted on Canon 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; BulletPoint3 : [EF/EF-S Mount Compatibility] Compatible with Canon EOS-1D Series, EOS-5D Series, EOS-6D Series, EOS-7D Series, EOS-10D to 90D Series, Rebel SL3 SL2 SL1(250D 200D 100D), Kiss/Rebel Series(Rebel T8i/850D T7i/800D T7/2000D T6/1300D T6s/760D T6i/750D T5i/700D T5/1200D T4i/650D T3i/600D T3/1100D T2i/550D T1i/500D) 4000D 3000D 1500D etc DSLR cameras. Not for camera M-series and R-series mirrorless cameras; BulletPoint4 : [Manual Focus] The 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; BulletPoint5 : [NO electronic contacts and No Autofocus Motor] Manual lenses lack electronic contacts, so you need to use our lens in Mode M. On manual lenses, the camera may display F00 because it doesn't have direct access to the aperture value. Color : Black CompatibleCameraModels1 : for Canon 1D/5D/6D/7D Series CompatibleCameraModels2 : for Canon 10D-90D Series CompatibleCameraModels3 : for Canon Rebel Series CompatibleCameraModels4 : for Canon 40000D 3000D 1500D Series CompatibleDevices : for Canon EF/EF-S mount DSLR cameras CompatibleMountings : Sony E CompatibleMountings1 : Canon EF CompatibleMountings2 : Canon EF-S ExternallyAssignedProductIdentifier1 : 085126400651 ExternallyAssignedProductIdentifier2 : 0085126400651 ExternallyAssignedProductIdentifier3 : 00085126400651 FocalLengthDescription : 420-800mm FocusType : Manual Focus FormFactor : DSLR GpsrSafetyAttestation : 1 IncludedComponents : Lens H-X015E-K, Lens cap, Lens rear cap, Lens hood, Lens hood cap, Decoration ring, Lens storage bag IncludedComponents1 : Telephoto Lens IncludedComponents2 : Lens Cleaning Cloth IncludedComponents3 : User Manual ItemName : BENOISON Telephoto Lens for Canon - EF Lens 420-800mm for Canon DSLR, Manual Focus MF Zoom Lens for Canon EOS Rebel SL3 SL2 SL1 T8i T7i T7 T6 4000D 1500D 90D 80D 77D 70D 60D 7D 6D 5D 1D DSLR ItemPackageDimensions_Height : 27.3 centimeters ItemPackageDimensions_Length : 8.4 centimeters ItemPackageDimensions_Width : 8.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : slr-camera-lenses Language : english Language1 : english Language2 : dutch LensDesign : Zoom LensMount : sony_e LensMount1 : canon_ef LensMount2 : canon_ef_s MacroFocusRange : 0.20 m Manufacturer : BENOISON MaxAperture : 8.3 f_stop MaxFocalLength : 800 millimeters MaximumApertureRange : F2.8 MaximumFormatSize : APS-C / DX MinAperture : 16 f_stop MinFocalLength : 420 millimeters ModelName : 420-B-E ModelNumber : 400965 MountingType : Canon EF NumberOfDiaphragmBlades : 7 NumberOfItems : 1 NumberOfLithiumIonCells : 2 OpticalZoom : 7.4 multiplier_x PackageLevel : unit PartNumber : 420C-B-EF PhotoFilterSize : 62 millimeters ProductDescription : Telephoto Lens 420-800mm, EF Lens for Canon ProductSiteLaunchDate : 2024-08-12T11:35:37.746Z RealAngleOfView : 5 degrees StreetDate : 2014-01-06T00:00:01Z Style : For Canon EF/EF-S (Black) SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 45121603 WarrantyDescription : 1 year ZoomRatio : 1: 1.9 ZoomType : Zoom