Specification AgeRangeDescription : adult BatteriesIncluded : 1 Brand : gernie BulletPoint1 : Engineering: With fine workmanship CNC technology, this extension tube guarantees superior accuracy and durability. Enjoy a and resilient product. BulletPoint2 : Excessive Accurancy: the aluminum alloy lensExtension tubes undertake nice workmanship cnc technology, the accuracy is better, with accurate overall performance. BulletPoint3 : Professional Photography Accessories: Our products are suitable for most professional grade photography equipment and can be used as excellent accessories for microscopes and astronomical telescopes, allowing your equipment to meet more shooting needs. BulletPoint4 : Workmanship Fine workmanship CNC technology for higher accuracy and durability. BulletPoint5 : WIDE COMPATIBILITY Suitable for different with M42x0.75mm female and male thread specifications Color : default ConnectivityTechnology : USB ExternallyAssignedProductIdentifier : 7903687202046 ExternallyAssignedProductIdentifier1 : 718750223050 ExternallyAssignedProductIdentifier2 : 0718750223050 HardwareInterface1 : usb HardwareInterface2 : bluetooth Hazmat1 : UN1950 ItemName : gernie 8Pcs Lens Extension Tubes T2 Extension Tube Set Photographic Extension Tube 3 Ring Accessory Adapter M42 Extension Tubes Lens Adapters, gernie9k0shzoptf ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-extension-tubes ItemTypeName : Extension Tubes Manufacturer : gernie Material : copper Material1 : Plastic Material2 : Metal Material3 : Aluminum ModelName : BROLEOotwvn9xeq7 ModelNumber : gernie9k0shzoptf NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : gernie9k0shzoptf ProductDescription : 1. Easy to install, perfect replacement for the old or damaged one, reliable to use.2. Made from aluminum alloy, which is wear?resistant and not easy to damage.3. Using fine workmanship CNC technology, the accuracy is higher, .4. The female thread specification of the interface is M42x0.75mm, the male threadspecification is M42x0.75mm.5. Various sizes of 3mm/5mm/7mm/10mm/12mm/15mm/20mm/30mm are suitable for different .Spec:Item Type: Lens Extension TubesMaterial: Aluminum AlloyColor: BlackProduct Size: Approx.3mm / 0.12in, 5mm / 0.20in, 7mm / 0.28in, 10mm / 0.39in, 15mm / 0.59in, 20mm / 0.79in, 30mm / 1.18in, 12mm / 0.47inApplication: Extend the length of the primary mirror of the astronomical telescopeExtinction Treatment: Internal with extinction threadInterface Female Thread Specification: M42x0.75mmInterface Male Thread Specification: M42x0.75mmHow to Use:1. Remove the objective lens.2. Connect the telephoto tube to the eyepiece and the objective lens.3. Then connect the objective lens.Package List:1 x 3mm Extension Tube1 x 5mm Extension Tube1 x 7mm Extension Tube1 x 10mm Extension Tube1 x 12mm Extension Tube1 x 15mm Extension Tube1 x 20mm Extension Tube1 x 30mm Extension TubeNotice:1. Please allow 1?2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. ProductSiteLaunchDate : 2024-04-09T14:03:33.984Z SafetyDataSheetUrl : http://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=84985&brand=ALDRICH&PageToGoToURL=http%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fproduct%2Faldrich%2F84985%3Flang%3Den Size : One Size SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 0.0353