I have read many times how some people are using an eye piece magnifier on their binoculars to get a better idea of the resolution.
Where can I purchase one of these?
Thanks in advance
TVC
Kind of expensive, you can use other binoculars as well. Riflescope can be used. I assume you are usiing charts.
http://www.cameralandny.com/optics/...vortex2xdoubler