The Depssi Card Blue card for 1.5x and 1.6x DSLR Sensors is a handy guidereference 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 anglespositions of sunrise and sunset for every month.
Price: £1.00 from Wex Photographic
