[Customizable Spacing] : Achieve spacing using the 3mm to 30mm extension rings, offering flexibility in usage.
[Versatile Application] : Ideal for astronomic telescope photography, providing the required spacing for optimal results.
[ Material] : Made of aluminum alloy with an anodized finish, ensuring durability and correct image scale in photography.
[Reduced Light Interference] : Unique female thread design eliminates stray and reflected light, enhancing image clarity.
[Focusing Problem Elimination] : Solve spacing issues in astrophotography with m48 threads, eliminating focusing problems effectively.

Spec:

Item Type: Length Extension Tube Kit
Material: Aluminum Alloy
Gross Weight: 107g / 3.8oz
Extension Tube Height: Approx.3mm / 0.1in, Approx.5mm / 0.2in, Approx.7mm / 0.3in, Approx.10mm / 0.4in, Approx.12mm / 0.5in, Approx.15mm / 0.6in, Approx.20mm / 0.8in, Approx.30mm / 1.2in
Thread: M48X0.75
Use: for Astronomical Telescope Photography

Package List:
8 x Extending Ring