Originally Posted by
Guglielmo
Hi,
just purchased a Schneider 5,6/240 mm Apo-Symmar-S multicoating on Technika board for my Linhof Master Technika.
The fitted shutter is the Prontor Professional 3 whose operation seems smooth and reliable but I cannot understand how keep the shutter in "open" position for ground glass focusing.
Normally there is a lever to engage in open position the shutter while here there are 2 cable release interfaces...
Please let me know how to operate with this Prontor shutter, thank you so much, I appreciate your help!
Guglielmo
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