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Thank you very much! I have used a Sony (G serie), 24-70, F2.8. It is a professional lens, with a constant aperture of F2.8 between 24 and 70mm. Very sharp! The two red pics I think to have used F2.8, but I need to check the metadata in the other ones. :-)

That's a incredible lens and you really know how to use it. Thanks for the little background info!

you are welcome!