"Crop-ability" of images?

Started 3 months ago | Discussions thread
bobn2
bobn2 Forum Pro • Posts: 69,811
Re: Exposure vs Exposure
1

Iliah Borg wrote:

bobn2 wrote:

john isaacs wrote:

bobn2 wrote:

Iliah Borg wrote:

john isaacs wrote:

He can talk about Lux all he wants. No one cares.

If no one cares, why would Kodak mention lux 70 times on 24 pages of their "Basic Photographic Sensitometry Workbook" brochure?

I think in this case, 'he can talk about Lux all he wants' is shorthand for 'I'm incapable of following the discussion and don't want to admit to it,' and the statement 'No one cares' should have been prefixed with the words 'I hope'.

His definition is useless.

Not very clever, all those people like Hurter and Driffield, ISO, Kodak, Fujifilm, Ilford, Agfa and all the manufacturers that used and designed their products around that definition of exposure.

Canon, Nikon, Olympus, and Sony are also listed among those responsible for ISO 12232 standard - "Digital still camerasDetermination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index" - https://www.iso.org/news/ref2375.html

Yes, but they obviously though better of it, since their marketing people have released helpful explainers which say something different

Anyhow, we're told by Mr Isaacs that there is no standard for ISO, so you must be wrong.

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