Transparent camera, lens, and workflow math
Photography Calculators
Use 5 live photography calculators to compare exposure, movement, and acceptable-focus scenarios. Every tool exposes its sensor, optical, product, or viewing assumptions and asks you to verify the result with the real camera and intended output.
Photography planning family
Exposure, Motion & Focus
Translate exposure stops, plan neutral-density timing, compare motion limits, and explore acceptable-focus geometry.
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Photography Exposure Equivalence Calculator
Solve an equivalent aperture, shutter time, or ISO while showing stop changes, filter loss, and bellows compensation.
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Neutral Density Filter Exposure Calculator
Convert ND stops, optical density, or filter factor into an adjusted shutter time with setting-change scenarios.
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Camera Shake & Motion Shutter Planner
Compare an editable reciprocal-rule baseline with stabilization and a sensor-plane subject-motion blur allowance.
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Depth of Field Calculator
Calculate thin-lens near and far acceptable-sharpness limits from focal length, aperture, focus distance, and an explicit circle of confusion.
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Hyperfocal Distance & Focus Planner
Calculate hyperfocal distance and evaluate whether an entered near-to-far range fits one thin-lens acceptable-sharpness scenario.
Calculate a starting point; inspect the photograph
Mathematical equivalence does not guarantee equal rendering or sharpness. Confirm manufacturer specifications, make test frames, and judge the result at its intended crop, size, medium, and viewing distance.