I bought an Orion 6" Newtonian...
It comes with a finder scope that is HARD to see through, it won't accept a diagonal...
For $100 , they'll sale you ANOTHER finder scope with a diagonal...
(Even though the one that came with it is NEW... No Trade ins.... )
.
So... I'm only using it for some reference... I don't need anything fancy... a mirror and tape would probably fix it.
.
As I was looking at the Cheap dust cover on the finder scope , I thought it looked like a cap on a water bottle.
In fact when I tried a water bottle cap... It fit , but snug ...I used an x-acto blade and cut the inside threads off.
It fits pretty good now.
.
You can see in the pictures , at first I was going to glue it with contact cement... That changed,
If I need to re polish , now it will come apart... and back together , no glues
The little "Clip" actually helps hold the angle too.
.
It has plenty of Eye Relief , I can see the cross hairs good.
I was unable to get the camera to focus on the cross hairs for a picture.
.
You decide... Worth it or waste of time.
.
Gotta Fly...