Data sources & licences

Sources#

Source	What we use	Licence
Internet Archive Wayback Machine	History of stingphotography.com, used to redirect legacy URLs	—
Lensfun	Camera bodies, lenses, mounts and compatibility	CC BY-SA 3.0
openMVG sensor width database	Sensor widths for ~6,900 cameras and phones	MPL-2.0
Wikidata	Camera & lens models, release dates, EXIF names, mass	CC0 1.0
Wikipedia — Infobox camera	Resolution, ISO, shutter, burst, video and other specs	CC BY-SA 4.0
Wikipedia — List of photographic films	Film stocks in production	CC BY-SA 4.0
Wikipedia — List of discontinued photographic films	Historic film stocks	CC BY-SA 4.0
Wikipedia — Flange focal distance	Lens-mount flange distances	CC BY-SA 4.0
Wikipedia — Image sensor format	Sensor dimensions and crop factors	CC BY-SA 4.0
Wikimedia Commons	Camera product photos (credited on each page)	CC BY / CC BY-SA / CC0 / PD
ExifTool by Phil Harvey	EXIF/GPS tag tables and supported file types	Documentation reference
GeoNames	City coordinates, population and time zones	CC BY 4.0
iNaturalist	Species lists, monthly observation histograms, photos (credited)	Data CC BY-NC; photos CC0/BY/BY-SA
NOAA Solar Calculator	Algorithm for sun position, sunrise, sunset and twilight	Public domain

Attribution & share-alike#

Text adapted from Wikipedia (film descriptions, species summaries) is used under CC BY-SA 4.0 and marked on each page. Photos from Wikimedia Commons and iNaturalist are credited with author and licence next to the image; only CC0, CC BY and CC BY-SA images are used. Lensfun-derived data is CC BY-SA 3.0. GeoNames data is CC BY 4.0. Corrections are welcome via the contact page.