M54 EXTENSION TUBE - 8mm M-Zero efficient and absolutely rock-solid for

efficient and absolutely rock-solid for long lasting collimation

This adapter has a M69 male thread on the telescope side and a M48 male thread on the camera side

Backfocus from mounting surface

8mm eyepieces and cameras and the rings allow for a quick alignment to the main telescope

M54 EXTENSION TUBE - 8mm M-Zero efficient and absolutely rock-solid forThis 8mm M54 extension tube features a male M54 x 0. 75 thread on one end and a female M54 x 0. 75 thread on the other. This is a very useful accessory for making up the exact backfocus distance required by correctors. Specifications Connection side A Male M54 x 0. 75 Connection side B Female M54 x 0. 75 Optical length 8 mm SKU AX M54 EXT8