Photography

Depth of field, exposure, crop factor and long-exposure calculators.

8 tools

Astrophotography 500 Rule Calculator Estimate the longest shutter speed for stars before visible trailing appears.
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Crop Factor Calculator Convert focal length and aperture to their full-frame equivalents.
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Depth of Field & Hyperfocal Calculator Calculate hyperfocal distance, near/far focus limits and total depth of field.
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Exposure Triangle Equivalence Solver Solve for the setting that keeps the same exposure when you change one.
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Field of View Calculator Calculate horizontal, vertical and diagonal angle of view from sensor size and focal length.
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Flash Guide Number Calculator Estimate flash distance from guide number, ISO, aperture and power setting.
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ND Filter & Long-Exposure Calculator Work out the new shutter speed after adding a neutral-density filter.
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Time-Lapse Calculator Plan a time-lapse: solve interval, frame count, clip length and storage.
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