Specification Brand : FUZHUI BulletPoint1 : Easy Installation - Quickly replace your old or damaged extension tubes with these reliable, high-quality adapters, for astronomy enthusiasts looking for seamless setup. BulletPoint2 : Material - Crafted from high-quality aluminum alloy, these extension tubes are wear-resistant and built to last, ensuring long-term use in every observing session. BulletPoint3 : CNC Technology - Manufactured using fine workmanship and CNC technology, these extension tubes provide higher accuracy and durability for optimal performance. BulletPoint4 : Standard Female and Male Threads - Featuring standard M42x0.75mm female and male thread specifications, these tubes ensure compatibility with various telescope. BulletPoint5 : Versatile Size Options - Available in multiple sizes (3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, 30mm), these extension tubes cater to different focal length needs for diverse astronomical applications. ItemName : 8PCS High - Aluminum Alloy Lens Extension Tubes for Astronomical Telescopes - M42x0.75mm Adapter Set, Multiple Sizes for Enhanced Focal Length and Versatility ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : telescope-photo-adapters Manufacturer : FUZHUI ModelName : FUZHUI4q3idevxmt ModelNumber : FUZHUI4q3idevxmt PartNumber : FUZHUI4q3idevxmt ProductDescription : Feature:
Easy Installation - Quickly replace your old or damaged extension tubes with these reliable, high-quality adapters, for astronomy enthusiasts looking for seamless setup. Material - Crafted from high-quality aluminum alloy, these extension tubes are wear-resistant and built to last, ensuring long-term use in every observing session. CNC Technology - Manufactured using fine workmanship and CNC technology, these extension tubes provide higher accuracy and durability for optimal performance. Standard Female and Male Threads - Featuring standard M42x0.75mm female and male thread specifications, these tubes ensure compatibility with various telescope. Versatile Size Options - Available in multiple sizes (3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, 30mm), these extension tubes cater to different focal length needs for diverse astronomical applications.
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 Internal with extinction thread Interface Female Thread Specification: M42x0.75mm Interface Male Thread Specification: M42x0.75mm
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
Note: 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