Starboosa Telescope T2-Extension Tube Kit for Cameras and eyepieces - Length 3mm 5mm 7mm 15mm 20mm 30mm - M42x0.75 on Both Sides
Starboosa Telescope T2-Extension Tube Kit for Cameras and eyepieces - Length 3mm 5mm 7mm 15mm 20mm 30mm - M42x0.75 on Both Sides
$22.7
$23.45
$6%
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- The extension tube kit is used to obtain the correct image focal length or exact spacing required, thereby solving the spacing problem in astrophotography.
- The required spacing can be achieved by combining several extenders of differing lengths;you can use 1 piece;2 pieces;3 pieces ;4 piece;5 piece;6 pieceof the extension rings as you like.
- The M42x0.75 threads on both ends make it versatile. External thread M42 * 0.75; internal thread M42 * 0.75; a series of focusing problems are eliminated.
- By combining multiple extenders of different lengths, you get the right focal length to focus with the camera or eyepiece.
- All metal construction and anodizing aluminium process;durable for long time use.