Specification Brand : BEXCO BulletPoint1 : 20D Lens - Image Mag.2.97X, Aperture 48mm,Working Distance 47mm 78D Lens Magnification 0.77X, Working distance 10mm. 90D Lens- Magnification 0.64 X, Working distance 8 mm. BulletPoint2 : Comes in wooden case for safety and elegance BulletPoint3 : Double aspheric glass optics provide Clear imaging. BulletPoint4 : Sterilizable, Perfect equilibrium of magnification and field of view. Perfectly corrected for field curvature, astigmatism, aberrations and coma. BulletPoint5 : Easy to Use: Our Optical Flipper is easy to operate. With a simple flip of the lens, you can switch between different magnification levels or optical properties, enabling you to adapt to different tasks or visual requirements effortlessly Color : Black CompatibleCameraModels : Canon DSLRs CompatibleMountings : Canon EF FcShelfLife : 365 days FocalLengthDescription : 8 millimeters FocusType : Fixed Focus GpsrSafetyAttestation : 1 Ingredients : ABS ItemName : BEXCO Double Aspheric Lens 20D 90D & 78D (Set of 3pcs) ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 6.4 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : science-classroom-optics-kits LensDesign : Prime LensMount : canon_ef Manufacturer : BEXCO Material : Wood MaxAperture : 48 millimeters MinFocalLength : 8 millimeters ModelName : lens set ModelNumber : lensset NumberOfItems : 1 PartNumber : Lens set ProductDescription : Double Aspheric Lens 20D 90D & 78D (Set of 3pcs) 20D Lens - Image Mag.2.97X, Aperture 48mm,Working Distance 47mm 78D Lens Magnification 0.77X, Working distance 10mm. 90D Lens- Magnification 0.64 X, Working distance 8 mm. Comes in wooden case for safety and elegance An ideal combination of field and magnification Sterilizable, Perfect equilibrium of magnification and field of view. Perfectly corrected for field curvature, astigmatism, aberrations and coma. ProductSiteLaunchDate : 2017-04-20T07:00:00.000Z Style : fashion SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 45121603