Allows you to use 1.25 eyepieces in any 2 telescopes focuser, star diagonal, or holder
Great for performing lunar and planetary viewing in larger telescopes
Ideal for using high power, low focal length 1.25 eyepieces in a big 2 telescope focuser
An affordable way to increase the number of eyepieces to use with your 2 focuser equipped telescope
This is a very high quality anodized aluminum adapter that has filter threads at the bottom for 2 telescope filters.
Telescope Adaptation 24.5mm 0.965 male barrel
Eyepiece Adaptation 1.25 31.7mm inside
Optical Length not counting the 24.5mm barrel about 30mm
Several older telescopes have a focuser or star diagonal for eyepieces with 24.5mm 0.965 barrel diameter. It is possible to use newer eyepieces with 1.25 , for this you only need this adaptor.
Fits all types and brands of telescopes with a 0.965in focuser
Telescope adaptation , 1.25 male barrel
Eyepiece adaptation , 24.5mm 0.965 inside
Filterthread for 1.25 filters
Many old eyepieces, including some with a very good optical quality e.g. Zeiss , have the old 24.5mm barrel diameter 0.965 . If you want to use these eyepieces on a telescope with 1.25 focuser you need this adaptor.
With standand 1.25inch telescope tube threads M42x0.75
Comes with a brass compression insh to prevent the marring of your telescope accessories.
With M42 external screws, copper strip protection, three screws