Specification Brand : Agatige BulletPoint1 : SEAMLESS CONNECTION: Seamless connection allows M42 and M48 accessories to be connected together, the alloy adapter ring is treated with extinction to prevent the radiation light from affecting the image BulletPoint2 : THREAD: The astronomical telescope adapter ring is M48x0.75 male thread to M42x0.75 female thread. Fine workmanship, practical astronomical telescope accessory BulletPoint3 : ALUMINUM ALLOY MATERIAL: Female thread astronomical telescope adapter using accurate craftsmanship, made of aluminum alloy material, strong, helpful for the astronomical telescope photography BulletPoint4 : EASY INSTALLATION: The astronomical telescope adapter ring is easy to install, small and portable, and flexible to use, suitable for many products of the same type, simple and practical BulletPoint5 : MATTING TREATMENT: The inner wall of the telescope adapter is subjected to extinction treatment to prevent the radiation from affecting the imaging, fit and solid connection, directly mount adapter and no adjustments required CompatibleMountings : Canon EF Finderscope : Telescope Phone Mount FocalLengthDescription : fixed-non-zoom FocusType : Manual Focus IncludedComponents : Telescope Phone Mount ItemName : Telescope Adapter Ring, M48x0.75mm Male Thread to M42x0.75mm Female Thread Astronomical Telescope Adapter T Ring Adapter Astronomy for Astronomical Telescope ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : telescope-photo-adapters Manufacturer : Agatige MaxFocalLength : 1 millimeters MinFocalLength : 1 millimeters ModelName : Agatigewqx68tc3ya ModelNumber : Agatigewqx68tc3ya NumberOfItems : 1 PartNumber : Agatigewqx68tc3ya ProductDescription : Item Type: Telescope Adapter Ring Material: Aluminum Alloy Male Thread Specification: M48x0.75mm Female Thread Specification: T2 Thread (M42x0.75mm)