File:Hyoliths01.JPG

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Summario

This image has currency in it to indicate scale.

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).

Images with coins to indicate scale

Common coin diameters for reference:

  • U.S. dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.21 mm, 0.84 in
    • 10¢: 17.91 mm, 0.71 in
    • 25¢: 24.26 mm, 0.94 in
    • 50¢: 30.61 mm, 1.22 in
    • $1: 26.5 mm, 1.02 in
  • Canadian dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.2 mm, 0.83 in
    • 10¢: 18.03 mm, 0.71 in
    • 25¢: 23.88 mm, 0.94 in
    • 50¢: 27.13 mm, 1.07 in
    • $1: 26.5 mm, 1.02 in
    • $2: 28 mm, 1.1 in
  • Pound sterling as of 2021:
    • 1p: 20.32 mm, 0.8 in
    • 2p: 25.91 mm, 1.02 in
    • 5p: 18 mm, 0.71 in
    • 10p: 24.5 mm, 0.96 in
    • 20p: 21.4 mm, 0.84 in
    • 50p: 27.3 mm, 1.07 in
    • £1: 23.03–23.43 mm, 0.91–0.92 in
    • £2: 28.4 mm, 1.12 in
  • Euro as of 2002:
    • 1c: 16.25 mm, 0.64 in
    • 2c: 18.75 mm, 0.74 in
    • 5c: 21.25 mm, 0.84 in
    • 10c: 19.75 mm, 0.78 in
    • 20c: 22.25 mm, 0.88 in
    • 50c: 24.25 mm, 0.95 in
    • €1: 23.25 mm, 0.92 in
    • €2: 25.75 mm, 1.01 in

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Description Hyolithes cerops Walcott from the Spence Shale near Paris, Idaho (Middle Cambrian).
Data 1 de novembre 2007 (original upload date)
Origine

Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).

[1]
Autor Wilson44691 at anglese Wikipedia

Licentia

Public domain Iste obra ha essite liberate al dominio public per su autor, Wilson44691 at anglese Wikipedia. Isto vale in tote le mundo.
In alcun paises isto pote non esser legalmente possibile. In tal caso:
Wilson44691 concede a omnes le derecto de usar iste obra pro non importa qual fin, sin conditiones, a minus que tal conditiones sia requirite per lege.

Registro de incargamento original

The original description page was here. All following user names refer to en.wikipedia.
  • 2007-11-01 11:10 Wilson44691 2272×1704×8 (953600 bytes) Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster). [http://www3.wooster.edu/geology/MWilson.html]

Legendas

Adde un explanation de un linea de lo que iste file representa

Objectos representate in iste file

representa

inception anglese

1 novembre 2007

exposure time anglese

0.00736919675755342667 secunda

f-number anglese

4,2

focal length anglese

23,3 millimetro

ISO speed anglese

100

media type anglese

image/jpeg

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Data/HoraMiniaturaDimensionesUsatorCommento
actual21:06, 3 julio 2015Miniatura pro le version de 21:06, 3 julio 20152 272 × 1 704 (922 KB)Wilson44691color
19:58, 30 martio 2008Miniatura pro le version de 19:58, 30 martio 20082 272 × 1 704 (931 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster). [http://www.wooster.edu/geology/MWilson.html]}} |Source=Transferred from [http://en.wikipedia.org en.wik

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