Specification Brand : Boxwizard BulletPoint1 : multi size: there are various sizes of 3mm 5mm 7mm 10mm 12mm 15mm 20mm 30mm, which are suitable for different ., m48 extension tube kit BulletPoint2 : easy to install and reliable the lens adapterextension tube is easy to install and provides perfect replacement for the old or damaged one. it is reliable to use and hassle experience., extension tube adapter 48mm BulletPoint3 : material: made from aluminum alloy, which is wear resistant and not easy to damage. BulletPoint4 : wide compatibility the m42x0.75mm female and male thread specifications universal compatibility with different telescope and microscope . connect seamlessly for optimal performance. BulletPoint5 : using fine workmanship cnc technology, the accuracy is higher, . extending the length of the main mirror of an astronomical telescope., telescope extension tube Finderscope : Reflex FocusType : Manual Focus ItemName : 8PCS 3/5/7/10/12/15/20/30mm Lens Adapter Ring Extension Tube Astronomical Telescope Accessory ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-extension-tubes Manufacturer : Boxwizard ModelName : Boxwizard1zi2cevhkf ModelNumber : Boxwizard1zi2cevhkf PartNumber : Boxwizard1zi2cevhkf ProductDescription : 1. Easy to install, perfect replacement for the old or damaged one, reliable to use. 2. Made from high quality 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 Tubes Material: Aluminum Alloy Color: Black Product Size: Approx.3mm / 0.12in, 5mm / 0.20in, 7mm / 0.28in, 10mm / 0.39in, 15mm / 0.59in, 20mm / 0.79in, 30mm / 1.18in, 12mm / 0.47in Application: Extend the focal length of the primary mirror of the astronomical telescope Extinction Treatment: Internal with extinction thread Interface Female Thread Specification: M42x0.75mm Interface Male Thread Specification: M42x0.75mm
How 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 Tube 1 x 5mm Extension Tube 1 x 7mm Extension Tube 1 x 10mm Extension Tube 1 x 12mm Extension Tube 1 x 15mm Extension Tube 1 x 20mm Extension Tube 1 x 30mm Extension Tube
Notice: 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.