Batteries Yashica Electro 35 35mm Rangefinder cameras

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Yashica Electro 35 series rangefinder camera models:
G, Professional, Gold Mechanica, GS & GT, GSN & GTN, MG1 & variants
The original battery for the Electro 35 series was a 5.6v PX32 but because this used Mercury that gave rise to enviromental concerns production of these batteries stopped some years ago. However, equivalents are available and the two main options come down to a matter of choice, each with their respective 'Pros' & 'Cons' . . .
A32PA or PX32A or TR164  6v ALKALINE battery (& equivalents)
  • These batteries are quite widely available - but in case of difficulties I can supply them.
(Post free if ordered at the time of buying a camera.)
  • These are 6v battery (instead of the original 5.6v) and there is a "theoretical risk" of exposure error. Mostly from voltage fall off with use and age that is neither constant or predictable making any compensation via the ASA setting entirely 'hit & miss.'
My Comment:
  •  In practice, given the tolerances in modern film and film process this is not noticeable with ordinary print films and the average Electro 35 user would probably never notice any difference with their prints.
Adapter + 6V S28 Silver Oxide cells ( & equivalents)
  • These batteries are available in most camera shops or electronic components outlets. (eg: Radio Shack etc.) In case of difficulties I can supply them. (Post free if ordered at the time of buying a camera.)
  • These batteries last longer than Alkaline batteries
  • Usually a little cheaper than an Alkline battery
  • Voltage is stable. Once in use the votage drops a little (closer to 5.6v) and then remains stable throughout the life of the battery.
  • Because of the size differnence in these batteries an adapter is needed in order to use them. I use various adapters - & can supply them. (Post free if ordered at the time of buying a camera.) Heavy users will recover the initial added cost of the adapter by the long term saving on battery costs.
My comments:
  • I use this option because I not only take a lot of pictures, but frequently it is the battery & adapter from my camera that gets used to test other cameras with!
  • This is a better option for slide film, particularly 'slow' slide film. "IF" practical experimantations shows that exposure compensation is required, using the ASA setting - then that compensation will be both predictable & constant by use of this option.
  • This is only 'theoretical' as the Electro 35 Series all have an 'on board' voltage stabilisation circuit to control internal voltages and, assuming the circuit is in good order, then the camera should handle any imput voltage within the 4.6v ~ 6.5v range. Although it is also theoretically possible that with age the electronics may "drift" from original design values; with the latitude in modern film emultions & film processing methods the average user would never notice this with their prints - even if it happened.
Only users of slow E6 colour reversal (slide) film, of say 80ASA or slower, with critical exposure requirements, could theoretically detet this. In such situations practical experiment would reveal any adjustment required that could then be applied as a compensation via the ASA setting. Therefore, as Silver Oxide cells, after an initial small drop (closer to original 5.6v),are voltage stable ~ and any compensation set would remain constant & consitant throughout the life of the cell.
  • Other adapters may use other batteries, but all are variations on the same theme.
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