Know the shot
before you take it.
Fast, transparent calculators for storage, lenses, exposure and sequence planning—built for photographers who want the number, the method and no guesswork.
Eight useful answers.
Zero spreadsheet archaeology.
Each tool shows the result instantly, explains the formula and links to a practical guide when the number needs context.
Video storage
Turn card capacity and camera bitrate into a realistic recording-time estimate, with a safety allowance and SD speed-class check.
Open calculatorSlow motion
See how long a high-frame-rate clip becomes on a 24, 25 or 30 fps timeline and how slow the resulting playback will be.
Open calculatorCrop factor
Compare framing across full frame, APS-C, Micro Four Thirds and smaller sensors without confusing exposure with depth of field.
Open calculatorDepth of field
Estimate near limit, far limit, total depth of field and hyperfocal distance for practical shooting decisions.
Open calculatorField of view
Calculate horizontal and vertical angle of view plus the width and height covered at your chosen subject distance.
Open calculatorND exposure
Convert a metered shutter speed into the corrected exposure for any neutral-density filter from one to sixteen stops.
Open calculatorTimelapse
Plan interval, frame count, finished duration and approximate storage before leaving the camera to run.
Open calculatorMacro scale
Translate magnification into real-world subject coverage and estimate pixels per millimetre for digitisation or close-up work.
Open calculatorUseful enough for the field.
Honest enough for the real world.
Transparent mathsEvery result names the formula and assumptions.
Built-in headroomPlanning estimates include sensible practical caveats.
Decision-firstWe translate numbers into the next useful choice.
The context behind the calculation.
V30 vs V60 vs V90 SD cards: which do you need?
Choose the right SD card speed class for your camera without paying for performance your recording modes cannot use.
Read guide GUIDE 02 · 8 MINAPS-C vs full frame: which camera should you buy?
A practical comparison of image quality, lenses, reach, portability and cost for photographers choosing a camera system.
Read guide GUIDE 03 · 7 MINMacro lens vs close-up filter: which should you buy?
Compare dedicated macro lenses and screw-in close-up filters for insects, flowers, products and occasional close-up photography.
Read guide