Lives in United States United States
Works as a Scientist
Has a website at
Joined on Jan 9, 2004
About me:

Present Equipment:
Canon R5
RF 24-105 f/4 L
RF 100-500 f4.5-7.1 L
Laowa 12 f/2.8
Rokinon 14 f/2.8
Zeiss 21 f/2.8
Canon 16-35 f/4L
Canon 70-200 f/4L
…and a bunch of non-L primes

Andreas_F's recent activity

  • Thanks Julie! I purchase the 77mm set and as I feared, two stacked filters cause significant hard vignetting. I was able to make an exchange for the 82mm set, which still causes slight vignetting ...
  • Julie, Congrats on your new equipment! I also transitioned from EF to RF in late 2020 and am very happy with the added capabilities and the reduced weight. I have a very specific question regarding ...
  • Just saw your question while looking for some other info. Yes, I am using the Nisi system (holder v5, 2-slot version, I believe) and it works fine on the RF14-35 without vignetting. Andreas
  • Marco, When you're in manual focus (I think either by selecting on the lens or in the menu) and press the Info button, you get that scale. ...and yes, I just selected infinity. It would probably ...
  • Thank you Marco and Dan! A couple of additional thoughts: - Coma of the RF 16/2.8 is comparable to what I see with the Laowa 12mm f/2.8, which doesn't keep me from using that lens. - Uncorrected, ...
  • Created discussion thread RF 16 f/2.8 for Astro Landscapes ?!?
    I view the 16mm f/2.8 primarily as lightweight wide-angle solution for travel when I don't want to carry my WA zoom. It nicely complements the 24-105 in that role. It would be great if it could ...
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Total messages 496
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Last post Jul 15, 2020
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