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    M42x0.75 to 0.965, t0 1.25" EYEPIECE


This is a
two piece eyepiece adapter for C90 and other older telescopes that were built
for the smaller 0.965 inch eyepieces. 
The pictures show application to the Celestron C90. For this you will
require the “T” adaptor which converts the C90 thread to a M42 x 0.75 “T” thread
from what I believe is the M35 x 1mm thread (male) of the C90

The picture
shows my preferred adapter (older one Short Piece) shown installed on the C90. Also
see the picture of the readily (not included) available longer Celestron Adapter. These
adapters also work on some other Celestron MAK scopes such as the C4.


listing is for a M42x .75 thread to a

eyepiece adapter and an adapter to insert into the 1-1/4” adapter to convert to
the 0.965” eyepiece.


assembly allows easy use & protection of your original and tough to match C90


Both eyepiece
holders have brass backing to prevent damage to the eyepieces while securely
holding the eyepieces in place.

See the
pictures and magnify.



Filed under: Eyepieces & Accessories