Alwaysonline 8X M48X0.75 Length Extension Tube Extending LJJ

Giới thiệu Alwaysonline 8X M48X0.75 Length Extension Tube Extending LJJ

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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 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.

Specification:
Item Type: Focal 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  Photography

Package List:
8 x Extending Ring

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