Alexis Powell
Natural history enthusiast

I've bought a number of Fieldscopes at rock bottom prices from eBay by making offers. Japanese sellers often have used scopes in absolutely like new condition, sometimes at excellent "Buy it now" prices. If all you want is a nice scope for views at 20x, a mint Fieldscope 1 (the very first units of which were labeled "Spotting Scope") can be very good. No need for the ED glass (red line) version when used at that magnification. If you want more capability (higher magnifications, more eyepiece compatibility), the ED II series (or 78ED) are generally the best value. I have purchased several, with various eyepieces, in "like new" condition, for ~$300. I rarely bid on eBay and instead make offers on "Buy it now" listings.
--AP
--AP