Adjustable Spacing: Achieve the required spacing by combining various m48 extension rings of different lengths, offering versatility with 1 to 8 extension rings to suit your needs.
Precise Design: Designed for astronomic telescopes, the m48 threaded extension tube comes in heights of 3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, and 30mm for accurate image scale and spacing.
Sturdy Construction: Crafted with an all-metal structure and anodized aluminum process, this m48 extension tube is long-lasting and provides the exact spacing needed by reducers or field flatteners.
Solves Focusing Problems: The telescope extension tube features m48 female and male threads to solve spacing issues in astrophotography, ensuring clear and great images by eliminating stray light and reflections.

Enhance Your Photography: Improve your astronomical photography with this telescope

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