Specification AgeRangeDescription : Youth Brand : ASHATA BulletPoint1 : Inner Thread Design: The telescope lens is designed with internal threads and can be screwed directly on the thread of the lens interface to the lens more firmly. BulletPoint2 : Versatile Use: The telescope lens cover suitable for astronomical primary mirrors or photographic receptacles with M42x0.75 mm size threads, also ideal for telescope eyepieces and telephoto zoom eyepieces. BulletPoint3 : Convenient and Practical: The telescope protective lens can effectively the telescope eyepiece from or dirt, excellent performance, reliable. BulletPoint4 : Aluminum Alloy Construction: The telescope protective lens cover is made of aluminum alloy, lightweight, reliable and sturdy, easy to use. BulletPoint5 : Easy to Install: This telescope eyepiece can be easily installed on your telescope. Simply screw it onto the lens or eyepiece and experience hassle . Color : As Described EducationalObjective : Logical Thinking ExternallyAssignedProductIdentifier : 4894831051159 ExternallyAssignedProductIdentifier1 : 0037733001424 ExternallyAssignedProductIdentifier2 : 0037733000069 ExternallyAssignedProductIdentifier3 : 037733001424 ExternallyAssignedProductIdentifier4 : 037733000069 ItemName : Telescope Lens M42 0.75mm Inner Thread, Metal Eyepiece Lens Protective Cover for Telescope Eyepiece Telephoto Zoom Eyepiece, Easy to Install ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-caps Manufacturer : ASHATA ManufacturerMinimumAge : 36 Material : Plastic ModelName : ASHATAhpk1cn3e9f ModelNumber : ASHATAhpk1cn3e9f OperationMode : Manual PartNumber : ASHATAhpk1cn3e9f ProductDescription : 1. Inner Thread Design: The telescope lens is designed with internal threads and can be screwed directly on the thread of the lens interface to the lens more firmly. 2. Versatile Use: The telescope lens cover suitable for astronomical primary mirrors or photographic receptacles with M42x0.75 mm size threads, also ideal for telescope eyepieces and telephoto zoom eyepieces. 3. Convenient and Practical: The telescope protective lens can effectively the telescope eyepiece from or dirt, excellent performance, reliable. 4. Aluminum Alloy Construction: The telescope protective lens cover is made of aluminum alloy, lightweight, reliable and sturdy, easy to use. 5. Easy to Install: This telescope eyepiece can be easily installed on your telescope. Simply screw it onto the lens or eyepiece and experience hassle .