Quote:
Originally Posted by walwyn
Sorry but using the lenses 'at their extremes' is not day to day use. Sure if what you are commonly doing require using the lens at its extremes then go for it. Most of us don't do that we tend to use the middle range, and the moment to do any PP work, tweaking levels, contrast, or brightness, whatever inherent superiority there was in the optics is gone.
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Not so with bird photography, there are distinct advantages to using a telephoto wide open. e.g. shutter speed and background blur.
I use my 400mm f5.6 wide open almost all the time and the quality is superb. Some of the lesser lenses have to be stopped down to get acceptable results which is a distinct disadvantage.
For other types of photography I would agree with you.