Quote Originally Posted by PDH View Post
I have a Bush and Lomb 210 which is Tessor type, my Crown just does not enough bellows for a 210, I need to use my Speed. For longer lens you really do want a Speed, I think the longist lens for my Crown is a 180. A couple of years ago the Getty had an exhibt on news photography, they had a Speed that the LA times used for sports in the 50s and 60s that had been modifed for a 600mm. There was a photo showing a photographer shooting a Rams game from the sideline on very heavy duty tripod.
What size is your Crown? 2x3? I ask because the 4x5 Crown's maximum extension is 317 mm, which is plenty for a 210. I b'lieve the OP was asking about 4x5 cameras. Oh, and by the way, a 4x5 Speed Graphic's maximum extension is around 323 mm. No way can a 600 mm lens be used on a 4x5 Speed.

You may be thinking of a modified 4x5 or 5x7 Graflex SLR. Graflex Inc and several other companies made them for sports photographers. See http://books.google.com/books?id=SiE...tha%22&f=false

I've modified a 2x3 Graflex RB Ser. B to use long lenses; the longest I've tried with it is 900 mm. I don't recommend this, internal baffles in the RB that can't be removed vignette badly in portrait orientation with lenses longer than around 250 mm and in landscape orientation with lenses longer than around 500 mm. Not worth the trouble and expense.