All-Star Telescope Canada - For All Things Astro!
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Products are usually delivered in 3-7 days.
Products usually ready for pickup from Edmonton Warehouse between 2 and 3.
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.
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