Speed Booster for legacy glass:

Started Jan 18, 2013 | Discussions thread
mgrum Contributing Member • Posts: 715
Re: Oops, not so good

nzmacro wrote:

nzmacro wrote:

So, Canon FD huh.

Hmmm, life just got a little more interesting for NEX

All the best Mark, could be fun. Lets also hope for a Nikkor AI adaptor as well.


By the looks this won't suit me after all.......


Maybe not so good for long fast teles.


I'm not sure what the advantage is of using the speed booster on long fast lenses anyway. With the Speed Booster a 200mm f/2.8 becomes a 142mm f/2.0 (so you could just get a 135 f/2.0), a 600mm f/4 becomes a 426mm f/2.8 (so you could just get a 400 f/2.8)

At the normal and wide end a 50mm f/1.2 becomes a 35mm f/0.9 (which doesn't exist) and a 24mm f/1.4 becomes a  17mm f/1.0 (which doesn't exist).

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