Antares #SCTFR f6.3 Focal Reducer with 2" Schmidt Threads for SCT

Description

Designed for f10 SCT's, this focal reducer yields a f6.3 system.
Mounts on the SCT Schmidt threads on the rear cell of SCT's.
Fully multicoated optics, anodized aluminum cell, rubber grip
ring. Male and female SCT Schmidt threads.
This is a focal reducer designed for use with Schmidt Cassegrain
telescopes, it has SCT 2"-24 threads for that reason.  It works well
with large SCTs down to the popular 5 and 6 inch size SCTs.
While this
may work as desired with other optical systems, it also
may not
yield desired
results.
While it
will provide f-ratio reduction
and
field size change,
and change
to the field curvature, it is a SCT
focal reducer.
There is no "universal" focal reducer!  Please order this only if
you
have knowledge of how it should be used and the thread
adapters
that may be needed.
Price includes shipping in the USA!