SVBONY SV129 Extension Tube Kit for M42 objectives

To meet different needs, the SVBONY SV129 extension tube kit allows you to reach the required space by combining several extendable tubes of different lengths. You can use 1, 2, or 3 extension rings as you wish.

Built entirely of metal with an anodized aluminum process, this kit is durable and designed for long-term use.

Use the SV129 extension tube kit to achieve the correct image scale or the exact space required for reducers or flatteners. Both male and female threads are M42*0.75mm, solving spacing issues in astrophotography and eliminating a range of focusing problems.

Features

• Type: Extension tube for astronomical T2 thread
• Male thread: M42*0.75mm
• Female thread: M42*0.75mm
• Net weight: 52g
• Lengths: 5mm, 10mm, 30mm