[Enhanced Image Quality] : Achieve the correct image scale and spacing needed for optimal performance in telescope photography, enhancing overall image quality and clarity for stunning results.
[Adjustable Spacing] : Combine various extension rings of different lengths (3mm to 30mm) to achieve the desired spacing, allowing for versatile usage with 1, 2, 3, or 8 rings as needed.
[Eliminate Focusing Problems] : The m48 extension tube features both female and male threads to solve spacing issues in astrophotography, ensuring clear and good images by eliminating stray and reflected light.
[Precise Astrophotography] : Specifically designed for astronomical telescopes, the durable all-metal construction with an anodized aluminum finish ensures accurate image scale and spacing for reducers or field flatteners.
[Various Height Options] : The extension tube set includes different heights (3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, 30mm) to accommodate a range of astrophotography requirements.

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 ​