Spacers

With three different length spacer rings, this M42 Spacer Kit from Celestron allows for appropriate back-focus between Celestron optical tubes and T-thread camera adapters be achieved.

Arcturus M42 Female to M42 Male 1.25" 3 in 1 Adapter

This is an adjustable 42 mm extension tube that adds 8-12 mm of length.

This is an adjustable 42 mm extension tube that adds 8-12 mm of length.

This is a precision, CNC machined 48 mm ID spacer ring that is available in a variety of thicknesses

Stepping ring to adapter Camera T thread to fit 52mm receptor

This adapts the M42 X .75 T thread to the over-sized M48 X .75 T thread. It adds about .9 mm to the M42 male thread length and measures 3.85mm in total length

Spacer 10mm for 48mm Thread

ZWO 16.5mm M42 to M48 Extension - M42-M48-16.5MM

Extension tubes to alter the spacing between the standard camera mount and the T RIng. fully anodized with blackened threads.

This threaded adapter works perfectly with the William Optics M63 photo adapter to ensure a tight fit on the William Optics Z73, Z103, and GT81 telescopes.