Why 'more or less stopped using ISO'?

Started Feb 19, 2014 | Questions thread
xpatUSA Forum Pro • Posts: 11,819
Re: Maybe this will help.

crames wrote:

I keep looking at this but nowhere do I see the word "brightness" mentioned.

Veering off a little, I once used the word "brightness" some years ago, before I knew everything. Was using a D50 to measure the "brightness" of luminous watch hands. I said:

"So, how could we measure the actual brightness of the hands and markers of this watch?"

You can read more here:


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