ftge544 replied to the topic Summarit-S 70 Calibration in the forum S Lenses 12 years, 8 months ago
I used the Kenko NDX Variable ND filter on our New England Fall Foliage workshop with excellent results. Check out this thread for a few images.
ftge544 replied to the topic Leica S2 + APO Telyt-R 400mm f/2.8 seen in the Frankfurt Zoo in the forum S Lenses 12 years, 8 months ago
Everyone who was on the New England Fall trip with David worked with ND and variable ND. They were so valuable, every one bought into David's system. I suspect he will be answering you too. But from a user perspective there was no vignetting issue with the 35 using screw in polarizing and ND filters. We also used David's “external” system for ND…[Read more]
