【What Makes Extension Tube Essential】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 proper image scale for astrophotography 【Free Combination of Tubes】The set includes extension tubes of 4 lengths: 5mm, 10mm, 15mm, and 20mm. Achieve different spacing as required by freely combining one, two, three or four tubes together: connect male threads with female threads 【Standard T2 Thread】With T2 thread (M42x0.75mm) on both interior and exterior side, the tubes can be easily mounted on a T ring adapter to connect to your camera and make focusing in astrophotography much easier. Note: they cannot be directly connected to a 1.25" eyepiece, but can be connected to a camera through an adapter ring 【Anodized Metal Build】 Made of anodized aluminum alloy to erase reflection, the sturdy extension tubes are built to last and withstand daily wear 【Lightweight】Weighs only 1.94oz/55g. The tubes won’t bring extra weight to your telescope when filming. The lightweight design makes them easy to carry as well
The T2 threaded telescope extension tubes solve the spacing and focusing problem in astrophotography. The kit contains 5mm, 10mm, 15mm, and 20mm extension tube with M42x0.75 thread.
The double sided T2 thread makes them easily fit on a T ring to connect to your camera for astrophotography. The tubes of various lengths can be freely mounted together in different combinations: connect M42x0.75 male thread to M42x0.75 female thread.
The aluminum alloy construction with anodized technique eliminates reflection and makes them durable and sturdy at the same time. The extension tubes won’t sustain damage even from an accidental fall.
Specifications
Type: Telescope T2 Extension Tube
Male Thread: M42x0.75mm
Female Thread: M42x0.75mm
Color: Black
Net Weight: 1.94oz/55g
Length: 5mm 10mm 15mm 20mm
Material: Aluminum Alloy
Package Contents
1 x 5mm Extension Tube
1 x 10mm Extension Tube
1 x 15mm Extension Tube
1 x 20mm Extension Tube
1 x Cleaning Cloth
