ISO Dial Obsession

Started Feb 9, 2014 | Discussions thread
Jens Bager Forum Member • Posts: 72
Re: ISO Dial Obsession

rich789 wrote:

What is the big deal about finally having an ISO dial on a modern camera.

It was fine on film cameras where you mainly only changed the ISO when you used a roll of film that was a different speed. Surely it is easier and quicker to assign a FN button to ISO ,no need to take your eye from the viewfinder, look down at the camera to see what you are doing, press a button, turn a dial and maybe want to do it all again for the next shot.

Is it just nostalgia or am I missing something here.

You do have a good point there. While ISO refers to a standard (International Standards Organization) while speaking in terms of digital camera sensitivity it can only be used as a guideline. I would call it: "Equivalent overall sensitivity setting as referenced to the film sensitivity standards". But only in the manuals, of course.

Why? Because there is too much confusion in the market to call it an established standard for digital imaging at this point. Thus you cannot fully compare the sensitivity of competing cameras based on ISO alone if it is not properly referenced to the white clipping point, the black level and to the noise and where these levels are referenced to RAW and JPEG rendering data respectively. To say it bluntly, there is too much room for interpretantions done by the marketing depts.

Unfortunately, ISO it is all we have at this point, so we cannot rightfully call using it nostalgia before we have something better.

But placing dedicated bottons for ISO and +/- EV on the top plate is overdoing it if these are both accessing the same sensitivity settings affecting the RAW to file output. In this respect, it is indeed nostalgia IMHO.


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