Bill,
Thanks, I did #1 in the penultimate paragraph posted just before yours.
As for #2, which part you are referring to? The website you cite was almost included in my prior answer. One sentence in particular there under Graflok seems relevant: "The Graflok has a removable focus panel, a Fresnel screen, and and features locks to hold various filmbacks." A removable focus panel---not a pull-it-back-and-insert-your-film-holder focus panel.
I should perhaps emphasize that I am talking only about Graflok backs in the strictest sense. And I mean the 4x5 variety, not the 6x9 baby Graflok. And when I say back, I am not referring to a film holder. I still have not seen an example of a true Graflok back with a pull-it-back-and-insert-your-film-holder ground glass.
Maybe someone can explain what is causing our confusion or miscommunication better to us?
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