View single post by Iain
 Posted: Sat May 19th, 2018 10:32
Iain



Joined: Fri Apr 6th, 2012
Location: Newcastle Upon Tyne, United Kingdom
Posts: 1409
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I think if I remember that this is the same type of glass that Canon used in the 400mm f4 DO lens and there were a lot of complaints over odd things like your experencing with the 300mm.

I've also had a little go at your Carron Crow.

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