Why Never Stop Down?

[Dennis]

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I stop down even my 28/5.6 TTA  f8 and be there...

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The Leica Q3 is available for pre-order at B&H Photo Video and Adorama

[Overgaard]

3 hours ago, lct said:

I don't understand him in that context either i must say. Many people cannot afford two different copies of the same focal length as far as Leica lenses are concerned so if they buy a 50/1.4 asph for instance it is to get the better performance at f/1.4 and, say, at f/5.6 but also at f/11 as far as possible and this is what the 50/1.4 asph offers compared to the 50/2 v5 basically. 50/2 apo is another story.

You can stop it down all you want, but it was made extreme f/0.95 or f/1.4 to be used that way. If you won't use it that way, then get an f/2.0 is what it means. 

But of course you can stop down a f/0.95 to f/2.0 or f/8 if the subject requires it, or you like that look.