Depssi Card Blue

The Depssi Card Blue card for 1.5x and 1.6x DSLR Sensors is a handy guide/reference card that has two functions; It enables the photographer to quickly select the ‘hyperfocal' distance for different lenses (or zoom settings) using various apertures, and -as a bonus- the reverse side of the card gives the angles/positions of sunrise and sunset for every month.

Price: 2.29 from Wex Photo Video