Burning is easy

[ItsReallyDarren]

You learn something everyday, I had always set the lens on minimum focus when carrying my camera between shots. Now I'm going to be more vigilant with the lens cap.

 

[HuubL]

At F2 the sun burns 7 times hotter than at F16.

Stupid me... F2 burns 64 times hotter than F16, of course!!