Phocus! app for iPhone and iPad
Developer: Japko
First release : 17 Aug 2010
App size: 1.45 Mb
Depth of Field calculator. Configurable to measure in meters an feet, and to calculate for variety kinds of cameras - not only digital but medium and large format as well! Created by photographer for photographers.
FEATURES
Two-way depth of field calculation:
1. read depth of field range by focal length, aperture and focus distance
2. find optimal aperture and focus distance to achieve given depth of field
Instant feedback - no cumbersome typing, just roll the wheel and read calculated DoF on LCD-like display.
Measures in meters and feet.
Input via picker wheels - preset f-stop between f/1.0 and f/64.
Focal lengths presets between 3 and 1200 mm.
Distance presets finely grained in nearer area.
Camera presets:
- Major DSLR formats and compact camera sensor sizes (1/n inch format).
- Popular medium format film: 645, 6x6, 6x7 and so on.
- Most common large formats 4x5, 5x7, 8x10
- Digital backs: Phase One P65+, P45+, P25+, P30+, P21+ and several Leaf Aptus models.