Thursday, October 13, 2011


Achieve high fidelity photography with automatic formulae calculation.Everything, but everything, including depth of field, hyperfocal distance, angle of view and other optical calculations for the amateur or professional. Whether you use a Palm, Pocket PC, Windows or Mac, we’ve a solution for you – and they all run in French, Italian, German and Spanish. No wonder the Douglas Photo Calculator is fast becoming the industry standard.

Depth of Field Calculator:
Depth of field is the distance between the nearest and furthest parts of the subject that are all in acceptable focus at the same time and its control is a vital tool for photographers.. There are a number of criteria that affect depth of field but the circle of confusion is probably the most misunderstood. No need to worry about the circle of confusion any more – just select the resolution you want from a list and, hey presto, the software works it out for you!

Hyperfocal Distance Calculator:
The Hyperfocal distance is the distance from the lens to the nearest part of the subject that is in acceptable focus when the lens is focused upon infinity. The Douglas Photo Calculator will calculate your correct Hyperfocal distance with just a few clicks.
Angle of View Calculator:
In still photography this is defined as “the angle subtended at the lens by the diagonal of the film format.” The focal length of a lens also determines the angle of view of the lens as used in conjunction with a given film format size. This helps find equivalent lenses when comparing film formats.

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