suaudeau benoit a écrit :... les Yashica de cette époque comporte un circuit de stabilisation de la tension, comme les Electro. Donc remplacer 2 piles de 1.35 par 2 de 1.55 ne change pas l'exposition.
Merci benoit très intéressent cette information !
As tu un lien sur le sujet ?
Merci Georgesh, je connaissais mais je voulais éviter l'adaptation avec des pièces et des bout de caoutchouc (si possible).
J'opte pour la solution
PX640-A, ces piles on les même dimension que les piles d'origines (pas besoin d'adaptateur),
il n'y a que la tension qui varie un peut, donc
si l'info de suaudeau benoit est correct c'est tout bon.
PC640A - PX640 Mercury Free Replacement
Type: Alkaline. Voltage: 1.5 V.
Diameter: 16.0 mm. Height: 11.2 mm.
Also known as: PX640A / A640PX / EN640A / EPX640A / PC640A / LR52 / 1126A.
1.5 V Replacement for: PX640 / EPX640 / V640PX / H-N / E640N / MR52 / NR52 / 1126MP.
Comments:
The PC640A or PX640A is a mercury-free replacement for the once popular Mercuric Oxide MR52 (or PX640) cell that was commonly used in cameras (such as Yashica TL-Electro, Electro 35 FC, Lynx 14-E and Lynx 5000E). The MR52 (or PX640) was also used in early Hakko rifle scopes. Mercury cells are now banned because of toxicity and environmental fears.
The The PC640A or PX640A cells produce 1.5 Volts, which is higher than the 1.35V produced by the original mercury cell. Most devices accommodate the small increase in voltage and function perfectly.
The The PC640A or PX640A is likely to be your only choice of battery replacement. Consider buying more than one. These Alkaline cells have a shelf life of several years, so buy two and make sure you always have a ready supply of power for your device whilst taking advantage of our reduced price multi-buy offer.
Other cameras and light meters that takes these PC640A or PX640A batteries include the:
Canon Canodate E, Canodate E-N, Date-Matic,
Fuji Fujica GE, Fujica GER, Fijica GA, Fijica Date,
Minolta Hi-Matic E, Hi-Matic F,
Olympus 35EC, 35EC2, 35ECR, 35ED,
Ricoh 500GX. 35EFS, ELNICA 35, ELNICA F,
Yashica TL-Electro, Electro 35 FC, Lynx 14-E and Lynx 5000E
A typical vintage transitor radio that takes a pair of these PC640A or PX640A batteries is the Standard SR-H437 Micronic Ruby 8-Transistor Radio.
