Omegon
T2 adapter ring, 7mm (female/female)
$ 34.90
ready for shipping in 24
h
Baader
Adapter Inverter Ring M54
$ 36.90
ready for shipping in 1-2
weeks
TS Optics
Adapter M48 inverting ring
$ 26.90
ready for shipping in 3-7
days
Baader
Adapter Change Ring M54 / S54
$ 76.00
ready for shipping in 1-2
weeks