Logan, you are on fire my friend! I really need to learn to type faster! My two fingers have been working on that response for twelve minutes! Do they still teach you that in school, or are you just supposed to know having grow up with comptuers and texting.it stops the lens down to the desired aperture so that you can more accrately determine DOF (if im correct, if not someone correct me) in digital it is kinda useless, as you can always look at a result and then delete...
You can set the function button to do a number of things through the menu (custom setup menu, menu item #16). I have mine set to turn on spot metering when I hold it down. That way I can keep the camer in matrix or center-weighted and switch to spot on the fly. There are quite a few other things it can do too.I just got my Field Guide for the camera and I have been reading the book
and got to that section , and did not understand anything !!! I did not know
what the other button on the camera was either. Function Button , still do not know what that does. Still learning the camera and feel kinda of stupid,too. Just be patient with me guys, learning slowly but surely.