NEEWER 4 Pcs LS-T6 Extension Tube Kit Telescope Accessory Bags & Cases Adjustable lamp holder for different

Adjustable lamp holder for different shooting angles

high reflective

short-circuiting

Operate in Two Directions- As well as handheld operation

NEEWER 4 Pcs LS-T6 Extension Tube Kit Telescope Accessory Bags & Cases Adjustable lamp holder for differentDescription A "must have" accessory Designed to be placed in front of the focal plane of your telescope to add length to the original tube, offering extra focuser back travel and the correct image scale for astrophotography? Combine extension tubes The set includes extension tubes of 4 lengths: 5mm, 10mm, 15mm, and 20mm. Achieve different spacing as required by combining one, two, three or four tubes together connect male threads with female threads?