Quote Originally Posted by Steven Tribe View Post
If it is the no. 9 Petzval, it is as anachromatique describes.

Looking at the photos once more, I think this is the famous sechszoller (six-incher) Petzval which is the same as no.9 Petzval. One sold at auction (no. 1000!) was 47cm long and weighed 14.3 kilos. There is a separation of the barrel by the flange brass and a system for central stops there.

The Front lens would be 16.5cm across and it covers just 18.5 x 18.5 inches.
Oh dear - I once was given the option to buy a #9 Petzval - (in aluminium, so not so heavy) in Prague... didn't have the cash - even though it was cheap - even then...

Congrats
(Btw - just saw a guy on fb who is selling really NICE ULF cameras for good prices - )