Quote Originally Posted by mfobrien
Interesting -- in just found I had a box of 4x5 tech pan today... I have a lot of 120 and 35mm of TechPan-- some of it is over 10 years old and works just fine. Basically, the slower the film, the more longevity it appears to have.
Would you like to sell the 4x5? How many sheets is it?

-Mike