StingPhotography · free photography reference

Photography, by the numbers.

Calculators and a searchable database of 1,850 cameras, 1,000 lenses, 800 film stocks, golden-hour times for 650 cities and field guides for 608 species — every figure computed from published specs and physics.

Depth of fieldGolden hourMilky Way settingsND filterLens adaptersPrint sizes

Calculators

All tools
Depth of fieldNear/far sharpness & hyperfocal for any lens.Golden hourGolden & blue hour for your GPS position.ExposureEquivalent exposures & EV.ND filterLong exposures with a countdown timer.NPF / 500 ruleSharp stars, every time.Crop factorFull-frame equivalents.Print sizePixels to inches & cm.All 12 toolsField of view, time-lapse, flash…

Explore the database

1,850CamerasSensor sizes, crop factors, lens equivalents and DoF for every model.1,000LensesEquivalents on every format, bokeh index and compatible bodies.87Lens mounts & adaptersFlange distances and 300 adapter combinations.800Film stocksISO, process, formats, exposure and push/pull.650Golden hour cities12-month light tables for cities worldwide.608Wildlife guidesLens, settings and season for birds & mammals.369DoF tablesEvery focal length × aperture × format.323EXIF tagsMetadata reference with ExifTool & Python.

Camera settings cheat sheets

All 55

Golden hour today

650 cities

Wildlife field guides

608 species
MallardMallardDucks, Geese, and SwansGreat Blue HeronGreat Blue HeronHerons, Egrets, and BitternsAmerican RobinAmerican RobinThrushesCanada GooseCanada GooseDucks, Geese, and SwansWhite-tailed DeerWhite-tailed DeerDeerNorthern CardinalNorthern CardinalCardinals and AlliesEastern Gray SquirrelEastern Gray SquirrelSquirrelsRed-tailed HawkRed-tailed HawkHawks, Eagles, and KitesHouse FinchHouse FinchFinches, Euphonias, and AlliesHouse SparrowHouse SparrowOld World Sparrows

Popular references

50mm f/1.8 depth of fieldFull frameAPS-C sensor size1.5× crop explainedFireworks settingsf/8–f/11, 2–8 sND1000 chart10-stop conversionsSunny 16 / EV 15Daylight exposure8×10 print resolution2400×3000 pxCanon EF → Sony EAutofocus adaptersDateTimeOriginalEXIF tag

Latest articles

Open data, transparent math

Specifications are merged from 14 public sources — Wikipedia, Wikidata, Lensfun, openMVG, GeoNames, iNaturalist, ExifTool and more — then every derived number (crop factor, depth of field, NPF rule, print size, sun position) is calculated with documented formulas. How we calculate · All sources

7,051pages
1,850cameras
1,000lenses
650cities
14open sources