This image has currency in it to indicate scale. Avoid using objects such as coins for scale, as they 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 are particularly bad as they can reinforce a geographical bias, and some coins' designs are not free content. Ideally, a photograph should include a ruler with the subject (as seen in this photo) or add a scale marking via an image editor instead (as seen in this photo). SI/metric units are the most commonly used worldwide (see metre, 1 E-2 m). Examples of bad practice: here. |
Common coin diameters for reference:
| | +/-
This is a photo of the full size and mini size USB Adapter Type B plugs from front and side angles. Taken on 07-Aug-2005 and uploaded by the photographer.
This image has been released into the public domain by its author, Rfc1394. This applies worldwide. In some countries this may not be legally possible; if so: | | | | | | | | | | | | | | | | | +/- |
الصفحات التالية تحتوي على وصلة لهذه الصورة: