Thingiverse
MR-9 Battery Adapter
von Syumijin
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MR-9 batteries are used for vintage film cameras.
However, MR-9 batteries are can't get at now.
This is a solution for the discontinued MR-9 mercury battery.
Use of SR43W Silver Oxide battery (1.55 V) to convert voltage to MR-9 Mercury battery (1.3V).
The diameter of the anode is slightly larger than MR-9.
Therefore, there may be cameras that can not be used.
The function of the adapter was confirmed with the following camera.
PENTAX SPF
OLYMPUS PEN-F
OLYMPUS 35RC
However, MR-9 batteries are can't get at now.
This is a solution for the discontinued MR-9 mercury battery.
Use of SR43W Silver Oxide battery (1.55 V) to convert voltage to MR-9 Mercury battery (1.3V).
The diameter of the anode is slightly larger than MR-9.
Therefore, there may be cameras that can not be used.
The function of the adapter was confirmed with the following camera.
PENTAX SPF
OLYMPUS PEN-F
OLYMPUS 35RC
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