Zenza Bronica:
SQ-Ai 6x6 PS 250mm F:5.6 Lens: Bronica, Tamron, USA Commack NY_000001
camerahistorian:
gs-1_lenschart
camerahistorian:
Mamiya 7 lenses aberration/MTF diagram
sergeyvaraksin:
Square #12 (series "Lith-squared")
LaurentPierreGauthier:
bronica PS 110 f4.5