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Zenza Bronica
Technical Documents (pdf format)
How the Seiko #0 shutter works: Anatomy of Seiko #0 shutter used on
ZENZANON lenses
Evolution of Zenzanon lenses: From Zenzanon S to PS lenses
Polaroid backs: Bronica
SQ Polaroid Backs
Focusing distance (new): Extension tubes and close-up
lenses
The tiny screws used on Zenzanon lenses: JCIS
#0 Screws
Repair Tips (pdf format)
Dismount a Zenzanon S lens: Disassembly a ZENZANON 150/3.5 S Lens
Dismount a Zenzanon PS lens: Disassembly a ZENZANON 150/4 PS Lens
Save a Zenzanon S lens: Bring a sloppy ZENZANON lens back to
life
Check Seiko #0 shutters (updated): Measure Seiko #0 shutter times
Adjust shutter times (new): The right times
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