The app is crashing when I try to do tethered shooting with a Nikon D300 under Mountain Lion where it worked under Lion albeit with occasional camera communication difficulties. We really do need developers to keep up with major OS updates. (Nikons Capture Control 2 has the same problem coincidentally.) And so what do you use for tethered shooting under Mountain Lion? I havent found anything yet. Now in the box at the top of the screen here it really should say under System Requirements OSX 10.5.0 to 10.7.X. because it doesnt work under 10.8.2. Having contacted the technical support section by email to report the problem and not having received a reply, Im struggling give this software too many stars. Ill try to be as fair as possible and give it 3 because it is a very good app. It just doesnt work under Mountain Lion.. unless it just doesnt work for me.