Mamiya Six IVB
The Mamiya Six IVB is a 6×6 medium format rangefinder film camera. Beyond that basic identity, the documented record is remarkably thin. No detailed specifications for this specific variant — lens, shutter, dimensions, or weight — have surfaced in the sources available to us. Production years and original pricing are likewise undocumented.
What we do know comes almost entirely from current resale listings. The camera shows up as a 6×6 rangefinder, and surviving examples are being sold in very good condition. One French listing describes a unit as "MINT+++" with an asking price of €283.02. An eBay listing from Japan required a condition rating of "[Exc+5]" before sale. A 35mmc.com review of the closely-related Mamiya 6 IV notes that the camera predates the well-known 1990s Mamiya 6, and gives some context on the general cost barrier to medium format shooting. It makes no evaluative claims about the IVB specifically.
One caveat: no source we have explicitly confirms the relationship between the "Mamiya Six IVB" and the "Mamiya 6 IV" reviewed by 35mmc.com. They are almost certainly related, since the naming and format line up, but the lineage isn't documented. If you own a Six IVB and can fill in the lens and shutter details, we'd love to hear from you.
Known facts, in brief:
- 6×6 medium format rangefinder film camera
- Surviving examples sold from Japan and France, with asking prices around €260–€283
- Predates the 1990s Mamiya 6 (per a 35mmc.com review of the related Mamiya 6 IV)
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