Hi Again, all my questions were answered in my first tread, thank you to all. I would like to ask a couple more questions.
1. Can someone please explain Collimation to me? How and why it needs to be done?
2. I am wondering how the image in a sighting scope is upside down? I understand that in a reflecting scope it's because of the mirror but how can an upside down image be achieved in such a small thin inline scope?
Paul