BSTKING Features:
1, Full metal construction and anodized aluminum process, can withstand long time use.
2, M42x0.75 on both sides eliminates various focusing problems
3, The distance you need can combine multiple extenders with different lengths.
4. This extension tube is for correct image scale or to get the exact intervals needed for a reducer or field flater.
5, The extension tube has M42 inner screw and M42 outer screw to solve the problem of astrophotography spacing, which eliminates various focus problems.
6. Type: Astronomical M42 * 0.75 thread extension tube
7. Screw: M42 x 0.75 mm
8, Female thread: M42 x 0.75 mm
9, Color: Black
10, Net Weight: 72.9g / 2.57oz
11, Length: 5mm 10mm 15mm 30mm
Size: M42 2"
Material: Aluminum
Package Includes:
4 * M42 * 0.75 thread extension tubes (5mm, 10mmm, 15mmm, 30mm)
Package contents above and other products are not included here.
Note: The color and size of the actual item may vary slightly from the color and size on the website due to lighting and display conditions. The range of allowable measurement errors is 0.4 - 1.2 inches (1 - 3 cm).