Starboosa Telescope M48-2 inches Extension Tube Kit for SLR Cameras and Eyepieces - Length 5mm, 7mm, 15mm, 20mm, 30mm - M48x0.75 on Both Sides & Outer Diameter of 2 inches - 7 Tubes Kit

Description

• The extension tube kit is used to obtain the correct image focal length or exact spacing required, thereby solving the spacing problem in astrophotography. It has an outer diameter of 2 inches and can be connected directly to the 2-inch telescope port.
• The required spacing can be achieved by combining several extenders of differing lengths;you can use 1 piece;2 pieces;3 pieces ;4 pieces;5 pieces;6 pieces;7 pieces of the extension rings as you like.
• The M48x0.75 threads on both ends make it versatile. External thread M48 * 0.75; internal thread M48 * 0.75; a series of focusing problems are eliminated.
• By combining multiple extenders of different lengths, you get the right focal length to focus with the camera or eyepiece.
• All metal construction and anodizing aluminium process;durable for long time use.

Specification:
Type: Telescope M48 thread Extension Tube
Male thread: M48*0.75mm
Female thread: M48*0.75mm
Length Type: 5mm 7mm 15mm 20mm 30mm

The package contains:
2 x 5mm - M48 thread Extension Tube
2 x 7mm - M48 thread Extension Tube
1 x 15mm - M48 thread Extension Tube
1 x 20mm - M48 thread Extension Tube
1 x 30mm - M48 thread Extension Tube

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