Originally Posted by
CactoesGel
+1. I use my 505 in direct sunlight with backlight off. But yes, it might have to do with the sunglasses you use.
Also how you have it mounted and how sunlight hits the screen.
FWIW I find the E1K screen better all around in just about any condition than the Cyclo505. At least as of firmware 4.0 on the Mio.