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michal.narozny
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Re: New Lenses?


ps09 wrote:
Thanks for your effort. I am rarely 20' from my subjects with the 600mm, and for good reason. At 600mm and f/8, focused at 20', the resulting depth of field is 19"11" to 20'1". The eye will be in focus and little else.

For those unaware of DOF impacts, tinker with this https://www.dofmaster.com/doftable.html


Yes, this is what we have to deal with if we want to take a frame filling portrait of, let's sat, kingfisher.



Sep 22, 2026 at 02:31 PM





  Previous versions of michal.narozny's message #17111289 « New Lenses? »