How to get a deep depth of field without losing sharpness?

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MalcolmD99 Regular Member • Posts: 417
How to get a deep depth of field without losing sharpness?
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i am looking to buy my fiirst changable lense camera wich will be a a7iii.  For my lense choices i want to make sure i am getting lenses that get a deep depth of field without losing sharpness.  I know that it is not ussualy wize to shoot with the narrowest aperature because you will loose sharpness. I do realise wide angle lenses are ideal for getting a wide depth of feild.  I dont always want to use wide angle lenses for esthetic reasons.

So at what focal length is it not good for sooting with a narrow aperature to keep a wide depth?

Are there sertin lenses that are designed to help get a good depth of feild?  Why do some lenses only go to f16?   Is a f22 lens nessassrily better for getting a wide depth while maintaing shapness?

Why dont they always list the maximum aperature for a lense on wesites selling lenses?

thank you!

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