Quote Originally Posted by Roger Hicks View Post
My Gandolfi plate holders will take anything reasonable, probably up to 2.5mm, maybe even 3mm, while my Linhof film/plate holders (all sizes) look to be good for just over 2mm.
The Linhof Universal Film&Plate holders, 9x12cm, won't take "modern" Slavich glass plates. They're just a little too thick.

The same plates fit easily in most, but not all, my old 9x12cm metal plate holders for 9x12cm cameras (Voigtländer holders are fine, some others are not).