Are these both the same size, or is one larger than the other - I have an older 80mm f/11.4 scope that needs two rings the same diameter. Many 80/90mm rings are different sizes to accommodate shorter focal length scopes like the ED80 that change in diameter along the OTA.
Are these both the same size, or is one larger than the other - I have an older 80mm f/11.4 scope that needs two rings the same diameter. Many 80/90mm rings are different sizes to accommodate shorter focal length scopes like the ED80 that change in diameter along the OTA.