Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted.
Ideally, a photograph should include a ruler with the subject (example) or an added scale marking.
SI ("metric") units are the most commonly used worldwide (see meter and centimeter).
Jaz, imetnik avtorskih pravic na tem delu, izročam to delo v javno domeno. To velja po vsem svetu. V nekaterih državah to pravno morda ni mogoče. Če je tako, Vsakomur dajem (v okviru zakonskih omejitev) brezpogojno pravico, da gradivo uporablja v kateri koli namen.
{{NoCoins}} == Summary == {{Information |Description={{en|1=brown recluse as compared to a U.S.A. penny}} |Source=Own work by uploader |Author=Br-recluse-guy |Date= |Permission= |other_versions=[[Image:Brown-recluse-coin.jpg|thumb|
Uporaba datoteke
Datoteka je del naslednje 1 strani slovenske Wikipedije (strani drugih projektov niso navedene):
Datoteka vsebuje še druge podatke, ki jih je verjetno dodal za njeno ustvaritev oziroma digitalizacijo uporabljeni fotografski aparat ali optični bralnik. Če je bila datoteka pozneje spremenjena, podatki sprememb morda ne izražajo popolnoma.