Originally Posted by Twobits
Room temp 58 all day... Order of focuser stiffness...Hardest to turn with one finger...Vortex Viper 6x32..next hardest... Minox 8x33... In the middle..Sightron 8x32 Next Leupold Katmi 6X32....Easiest... Swift Eaglet 7x36... Viper and Sightron are like new....Minox is lightly used,[my Wife,s] The Leupold and Swift my most often used.. Not a very technical test but thats my take on focuser stiffness.
OK. EVERYBODY that has a Sightron Blue Sky II put it in the refrigerator for one hour. Take it out and see how stiff the focus Is. Try the focus before and after you put it in the refrigerator. A refrigerator is about 40 degrees so this should be a good test. I am still keeping the Sightron. It's too good optically and it is light. I am going to sit here while I watch TV and rotate the focus for an hour and see if it loosens up. HaHa!