"Thor Lancelot Simon" wrote in message ...

Yes, the seller says this particular lens has a tested image circle of
195mil, and he has
used it on an 8x10 Deardorff. And that it was his favorite on the 4x5,

195mm is not sufficient to cover 8x10. And a short Tessar-formula lens
is just not a great normal lens for 4x5. That's the bottom line as I
see it.

I think he meant certain focuses/focussings where the lens is further from the film
plane, the image circle increases in size? Isn't this how macro is done in LF?

Once you get to 200 or 210mm Tessar formula lenses will cover 4x5 with
room for reasonable movements. A Commercial Ektar or Nikkor-M is probably
a better choice than a Xenar -- for a long time, Xenars were cheap press
lenses, and they've never been Schneider's top of the line.

Thank you for that info, I am no expert.

--
Thor Lancelot Simon
"Even experienced UNIX users occasionally enter rm *.* at the UNIX
prompt only to realize too late that they have removed the wrong
segment of the directory structure." - Microsoft WSS whitepaper

Alex