unknown zoom ep
Posted 04 July 2014 - 09:00 PM
Posted 07 July 2014 - 05:20 AM
Posted 07 July 2014 - 06:23 AM
Goes from 20 - 37 - 45 - 52 - 60 on the numbers, I assume that's the focal length?
The numbers indicate the resulting magnifications when used with a particular telescope (most likely a spotting scope).
The typical focal lengths of these zooms are somewhere between 24-8mm and 21-7mm.
Posted 07 July 2014 - 08:09 PM
The 20-60 magnification range indicates it probably came on an 80mm scope, like a Celestron, SkyWatcher, or Konus.
There is an indeterminacy to the focal length, but it's probably either 7-21 or 8-24mm.
Posted 07 July 2014 - 08:24 PM
Posted 07 July 2014 - 10:52 PM
Posted 08 July 2014 - 05:04 AM
Thank you Don, I didn't know who else to ask that would know.
And thanks to everyone who replied.
In any case for a buck at a yard sale, hey I couldn't go to wrong, lol.