Specification Brand : Vvikizy BulletPoint1 : FEATURES: The Telescope Lens Dust Cap is versatile, fitting various telescope components with M48x0.75mm threads, offering comprehensive protection against dust and damage for clear viewing experiences during astronomical observations. BulletPoint2 : WIDE APPLICABILITY: Suitable for use with different telescope eyepieces, telephoto zoom eyepieces, and astronomical primary mirrors or photographic sockets, this dust cover ensures thorough lens protection. BulletPoint3 : PROTECTS LENS: Shielding your telescope lens from dust and dirt, this dust cover maintains lens clarity for optimal viewing quality, ensuring uninterrupted observation sessions free from obstructions. BulletPoint4 : M48 THREAD DESIGN: Featuring internal threads, this dust cover can be securely screwed onto the lens interface, providing firm and reliable protection for your telescope lens against external elements. BulletPoint5 : STURDY MATERIAL: Crafted from aluminum alloy, this dust cover is built to last, offering long-lasting protection and reliability for your valuable telescope lens, making it an essential accessory for any astronomy enthusiast. Color : Black CompatibleDevices : for Insta360 X4 Department : Unisex ExternallyAssignedProductIdentifier : 7501076801575 ExternallyAssignedProductIdentifier1 : 0748823631956 ExternallyAssignedProductIdentifier2 : 748823631956 IncludedComponents : 1*Protective cover ItemName : Telescope Lens Dust Cap Aluminum Alloy M48X0.75mm Threaded Eyepiece Dust Cover Accessories for Astronomical Telescope ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-caps ItemTypeName : Billfold Manufacturer : Vvikizy Material : glass ModelName : Vvikizy8nbt2qmepr ModelNumber : Vvikizy8nbt2qmepr NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Vvikizy8nbt2qmepr Pattern : Animal Print ProductDescription : 1. Wide Applicability: This dust cap is suitable for telescopic eyepieces, telephoto zoom eyepieces, astronomical primary mirrors or photographic sockets with M48x0.75 mm dimension threads. 2. Protects Lens: This dust cover effectively your telescope lens from dust, dirt, and other potential damage, ensuring clear and uninterrupted viewing. 3. M48 Thread: The dust cover is designed with internal threads and can be screwed directly on the thread of the lens interface to protect the lens more firmly. 4. Pefect Fit: The mold opening ratio of the dustproof lens cap is 1:1, and the lens cap fits perfectly with the telescope eyepiece to effectively protect the lens. 5. Material: Made from aluminum alloy, this dust cover is built to last. It provides long lasting protection for your telescope lens, making it a reliable accessory for any astronomy enthusiast.