Your cart is empty.
Your cart is empty.Product Description
1. Focusing Problem Elimination: The extension tube has M48 female thread and M48 male thread, which is used to solve the spacing problem in astrophotography and eliminate a series of focusing problems.
2. Eliminate Redundant Light: The design of female thread can eliminate stray light and reflected light, making the image clearer and more perfect.
3. Variable Combination: The required spacing can be achieved by combining several extension rings of different lengths, you can use 1, 2, 3 or 8 extension rings as required.
4. Type: Astronomic telescope M48 threaded extension tube, the height of the extension tube is 3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm and 30mm.
5. Aluminum Alloy Material: All metal structure and anodized aluminum process, durable, using this extension tube can obtain the correct image scale or the precise spacing required by the reducer or field flattener.
DJK
2025-08-23 17:12:42
Adaptors sizes all clearly marked and overall the product is well made
Darren Hennig
2025-04-24 10:02:57
Great assortment of various sizes for virtually all applications. Threads fit well all my astro accessories, and came well packed and as advertised! Great value and highly recommended. THanks!
Recommended Products