I’ve never been really satisfied with the icons on the bottom of the Diana lens that change the aperture, and wanted more ‘exact’ information on what was going on.  After some searching, some fiddling, and some trial and error, here is a cheat card you can print and fold in half to hang from your Diana strap:

For different editable versions, click here for the source doc in OpenOffice format.

This chart is a kind of nomograph; you select your ...read more