NEEWER 4 Pcs LS-T6 Extension Tube Kit Telescope Accessory for Astrophotography RGB LED Light Sticks and screw knobs enable you

and screw knobs enable you to assemble the frame in minutes without any tools needed

Model: GM001

the extendable holder arm has two bracket clips on both ends to firmly attach your reflector

and intensity

NEEWER 4 Pcs LS-T6 Extension Tube Kit Telescope Accessory for Astrophotography RGB LED Light Sticks and screw knobs enable youDescription 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?