[croweater (Richard)]

Originally Posted by alpal

Hi Richard,

Apart from introducing cantilever changes in angle causing instability -
moving the secondary mirror down towards the primary will
change the point at which focus is found.
That point is now setup so that focus in my camera
is achieved just as the coma corrector enters the inside of the tube.
I am experimenting with different designs here:
https://stellafane.org/tm/newt-web/newt-web.html


cheers
Allan

Thanks for putting that link up Allan. Haven't seen that site before.Good stuff on there.
Cheers Richard (Croweater)