New 800 mm 5.6 using fluorite?

Started Jan 29, 2013 | Discussions thread
Shop cameras & lenses ▾
just Tony
Senior MemberPosts: 1,106
Did a patent expire recently?
In reply to Camillo, Jan 30, 2013

Companies work extremely hard to promote the impression that their patents are wonderful, and the competition's patents are garbage. It's a marketing shortcut that's easier than doing real work.

Reply   Reply with quote   Complain
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark post MMy threads
Color scheme? Blue / Yellow