Dr Klaus Schmitt
Well-known member
That makes it a f1.15 72mm combo. Windy day, sun disappeared, tried it nevertheless fully open.
Have a look....
Full set is here: https://www.flickr.com/photos/kds315/sets/72157656458555811
Have a look....
Full set is here: https://www.flickr.com/photos/kds315/sets/72157656458555811