Gonna do some tests using my new gadget , i will be shooting exacts .177 at all ranges right out to 65yrds now all i need is a nice day with a mixed bag of wind . some wind facts so far moderate; 0-5mph fresh;5-10mph strong;10-20mph 3-5mph; breeze can be just felt on the face. 5-8mph; small leaves on trees move constantly. 8-12mph;loose paper/dead leaves move around. 12-15mph;small trees starting to sway. watch this space for the rest of the test ,will conclude soon . regards FUBAR.