Think Vectronix when you want to do it on a very regular basis.

Copied from: http://www.6mmbr.com/rangefinders.html
Swarovski Laser Guide:
Aiming circle (13 MOA inside diameter) is too large. Makes aiming small objects at long distance tricky business. Some delay (latency) when scanning in normal mode.

Last edited by WBill; 11/05/14. Reason: Added Swarovski info