T2 M42*0.75mm Thread Extension Ring Tube

T2 M42*0.75mm Thread Extension Ring Tube for Astronomy Telescope

Type: Extension Tubes
Model: Astronomical T2 thread Extension Tube
To Fit: Telescope

Features:

• Fully metal construction and anodizing aluminum process, durable for long time use.
• Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
• The extension tube has a T2 internal thread and a T2 external thread for solving spacing problems in astrophotography and eliminates a range of focusing problems.
• Type: Astronomical T2 thread Extension Tube
• Male thread: M42*0.75mm
• Female thread: M42*0.75mm
• Link or extend tube length of the M42*0.75 Products
• Color: Black anodize
• Length: 5mm 10mm 15mm 20mm,30mm,40mm