Bague d'extension pour MPCC III / Bague Canon EOS tolerance 0

Bague d'extension pour MPCC III / Bague Canon Eos tolérance 0.

• This M48-spacer ring is necessary for connecting the MPCC Mark III coma corrector at Baader Protective Canon EOS T-Ring
• Use the full aperture of the M48 thread instead of M42 – in conjunction with the Baader protective CANON T-Ring
• This M48 spacer ring is the necessary addition in order to mount the MPCC Mark III directly onto the Baader protective EOS T-ring while securing the correct optical distance of 55mm and by utilizing the full M48 unvignetted aperture