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| p.1 #6 · 300mm f/2.8L II focus ring question for those who own or used one! |
A little update...
I think it is temperature related and the lubricant... Today, the lens is probably a good 10*F warmer or so, given the ambient temperature of the room it has been in all day, compared to prior. Today, the lens moves back and forth without any of the "bumpy/lumpy" sensation. I think it just may be the lubricant gumming up some when the lens is stored in my room near the drafty windows! It's not THAT cold, but probably about the 60-65*F range, versus 70+.
So I think I kind of answered my own question. Appreciate the responses I got! Looks like it just needs to break in and for summer to arrive here in Cleveland! Been a brutal winter! Plus, I can't wait to take this bad boy to the airport for some shooting!
Here are some shots from the zoo this past weekend... First "real" outing with the lens, loved the results... Especially given the gloomy conditions. They are all shot wide open (of course!).
First one was hand-held at ISO 25,600 and 1/100 SS!
6M3C6700.jpg by invertalon, on Flickr
6M3C6601.jpg by invertalon, on Flickr
6M3C6576.jpg by invertalon, on Flickr
6M3C6553.jpg by invertalon, on Flickr
6M3C6550.jpg by invertalon, on Flickr
6M3C6544.jpg by invertalon, on Flickr
6M3C6589.jpg by invertalon, on Flickr
6M3C6691.jpg by invertalon, on Flickr
6M3C6654.jpg by invertalon, on Flickr