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Old Jan 17, 2010, 9:11 PM   #11
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Come on! Doctors make up words too. Look at 'Acid Reflux'. That's a misnomer. Flux means to flow. 'Reflux' means to flow back. 'Acid Reflux' means that acid has flowed back into the esophagus from where it came. But since the acid didn't come from the esophagus, it can't therefore have refluxed, can it?

So what's wrong with 'f/5.6', anyway? Especially if it throws the occasional doctor for a loop.

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Old Jan 17, 2010, 9:38 PM   #12
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Here is a little technobabble from Wiki. . .

In optics, the f-number (sometimes called focal ratio, f-ratio, or relative aperture[1]) of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the lens; in simpler terms, the f-number is the focal length divided by the "effective" aperture diameter. It is a dimensionless number that is a quantitative measure of lens speed, an important concept in photography.
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Old Jan 17, 2010, 10:19 PM   #13
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Quote:
Originally Posted by Mugmar View Post
Here is a little technobabble from Wiki. . .

In optics, the f-number (sometimes called focal ratio, f-ratio, or relative aperture[1]) of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the lens; in simpler terms, the f-number is the focal length divided by the "effective" aperture diameter. It is a dimensionless number that is a quantitative measure of lens speed, an important concept in photography.
Ok, how about:

"F stop refers to the amount of light that the lens is capable of focusing on the sensor (film), in combination with the shutter speed. Since the largest f-stop on any camera is 400, the lens (if set to that stop, and capable of that stop) would then be referred to as "wide open."

"Think of the two processes as linked. For shooting action photography, we want a fast shutter speed; for still life images, we can be satisfied with a slower speed. Half the f stop, half the light, half the shutter speed, half the light. These two processes are linked."

"Taking this into consideration, the smaller the F stop, the greater the depth of field; so photography is a compromise between the desired speed and the desired depth of field."

(All off the top of my head, after drinking a bottle of champaign - nevertheless, I believe that this is more intuitive then the present vocabulerly)

NB. To those who know nothing of photography, the above is a fantasy version of f-stops...

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Old Jan 18, 2010, 2:38 AM   #14
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Welll when you put it THAT way...


All professions have thier own 'language'...law, engineers..all designed so that 'they' can be distinguished from the 'lay person' who is saying the same thing...

My fav is fibromilagia... (spelling is wrong tho)
Which simply mean 'pain in the muscle'


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Here is a little technobabble from Wiki. . .

In optics, the f-number (sometimes called focal ratio, f-ratio, or relative aperture[1]) of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the lens; in simpler terms, the f-number is the focal length divided by the "effective" aperture diameter. It is a dimensionless number that is a quantitative measure of lens speed, an important concept in photography.
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Old Jan 18, 2010, 3:08 AM   #15
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... I believe that this is more intuitive then the present vocabulerly ...
Maybe. Too bad it's wrong.
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