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

This extender can help you to get 55mm back focus distance.

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.