Luminance or Illuminance ?

Started Mar 28, 2013 | Discussions thread
Shop cameras & lenses ▾
Tom Axford Senior Member • Posts: 2,989
Re: Luminance or Illuminance ?

The definitions I have seen distinguish between the brightness of a surface (luminance) and the amount of light incident on a surface (illuminance). I'm not sure how widely recognised this distinction is, but using google produces some confirmation:

http://www.jimonlight.com/2008/12/18/lighting-101-luminance-vs-illuminance/

http://www.kodak.com/cluster/global/en/consumer/products/techInfo/am105/am105kic.shtml

 Tom Axford's gear list:Tom Axford's gear list
Panasonic Lumix DMC-GM1 Olympus OM-D E-M10 II
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow