Amazon.co.jp: lr625 Set of 10 Voltage 1.5 V Alkaline Battery Mercury Battery Mr – 9 and other compatible sizes Alternative A. PX625 px625u v625px PX – 13 LR – 9 : Electronics
1.35V MR9 PX625 MRB625 PX13 HD EPX625 Battery Adapter PRO+6 Battery Film Camera | eBay
I was told that the old Canon FTB SLR camera was different than other mercury battery cameras because they were designed to use non-mercury too. He said Weincell PX13 or PX625 won't