Antares M48 Variable Camera Adapter (TEXT-48)
Astrophotography using intermediary lens systems such as, focal reducers, field flatteners, barlows etc.can require a precision back-focus to the image plane so as to not compromise colour and field curvature. With this M/F M48 adapter you have a separation range of 31-49mm. Comes with locking ring and accepts 2" filters.
M/F spacing for M48x0.75 threads varying from 31-49mm. It can be hybridized with TEXT-42 to change either the input or output threads.