Quote Originally Posted by atenlaugh
The powerbooster on my EOS-1 has a vertically-oriented shutter (on the bottom right of the booster), and I'd imagine that similar cameras have one, as well.

Then again, the EOS-1 is also a huge, heavy camera, and I'm probably going to sell it.
Oh I see - basically an attachment that makes it easier to hand hold it vertically? I think the New F1 had something like that with the power drive...

I think a 35 mm TLR would be great fun, and tiny!!!