11/16/18What is a waterproof spotting scope?
03/20/18My Celestron Ultima and Regal spotting scopes have threads in front of the objectives. What size photo filters do they use?
11/23/14USB additional information.
08/02/10I’m using a spotting scope and/or astronomical scope for photography. What is the equivalent photographic magnification or zoom power of my set-up?
05/19/10How can I use two weather station receivers in different locations to get readings from one transmitter? What are other reception issues?
03/22/10Why doesn't the pictures of close-up scenes with my IS70 spotter look like what I see through the scope?
11/23/09What eyepieces will work best with my Regal F-ED spotting scope? Will all eyepieces focus with the scope?
11/18/08What are eyecups?