I think the notion of FF = heavier lens may not be true

Started 8 months ago | Discussions thread
Great Bustard
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Oh dear.
In reply to EinsteinsGhost, 8 months ago

EinsteinsGhost wrote:

Great Bustard wrote:

EinsteinsGhost wrote:

Perhaps that realization is leading you to your usual run about. This was the question you didn't answer:

Put 200/2.8 on a FF camera, take note of your exposure variables. Turn crop mode on (I understand Canon can't do it, but Sony and Nikon allow it). Do you expect exposure values to be off by a stop?

The answer I gave before was...

Useless...

...to people who lack the ability and/or are unwilling, to understand.

...and nothing to do with the question.

If that were so, then we'd be left with one of two situations:

  • The question is meaningless in terms of the visual properties of the photo.
  • The question ignores the context of what role the exposure plays in the visual properties of the photo.

Have you see these kind of numbers before?

ISO 125, f/4, 1/800s (and yes, I picked these from one of the images in your gallery).

I must have been using Auto ISO or used ISO 125 by mistake, as I never intentionally shoot intermediate ISO settings.

So, what are these numbers? Looking for your awareness.

Well, ISO 125 means that the brightness of the captured photo is amplified by 1/3 of a stop.  f/4 means that the diameter of the lens aperture was 1/4 the focal length of the lens.  1/800 means the sensor was exposed to the light for 1/800 of a second.

What do you think the numbers mean?

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