More than 100 cameras and meters made by famous names such as Nikon, Canon, Pentax, Minolta, Gossen and Sekonic depend on the 1.35 volt PX-625 (also known as the PX-13) mercury battery.

The following cameras and finders were designed for and require a 1.35 volt cell: 625 mercury cell.
The exposure meter in these cameras and finder require a 1.35 volt cell to be accurate, and some may require such a cell to work at all.

Agfa Optima 500 Sensor, Selectronic, Selectronic S, Agfamatic 300/4000/4008/5008/6008, Optima 535/1035/5000/5008/6000/6008
Alpa 9d
Argus 270 Insta-Load
Bell & Howell FD35, Autoload 340/341, Auto Reflex Dial 35
Bronica C2, S2
Canon FT, FTb, FTbn, FT-QL, TX, TLb, EF, F1 (some), Ex, EX EE Auto, A35F, Demi 17, Demi EE 17, Canonet QL17/QL19/19E/25/19E, Canonet New QL17/New QL17L/New QL19/New 28/G-III 17/G-III 19
Chinon FD35, Autoload 340/341, Auto Reflex Dial 35
Dacora Rapid D101, D202, D404
Edixa TL1000, RTL1000, Examat & Travemat meter finders
Exakta FD35, Autoload 340/341, Auto Reflex Dial 35
Fuji/Fujica 35FS, 35GP, V2
GAF Corporation L-14, L-17, L-CM, L-CS, Anscomatic 726, Autoset Cds
GAF Bernard Auto 35, Model 503, Viceroy 5000
Hanimex 35EE, 35SL, 120, 620, Compact A
Hasselblad Meter Prism Finder CdS
Kalimar K650, K431 Cds meter, K433 zone meter, Zanit 2000CTL
Keystone K609H, K610H, K616D, K164H, K615H, K1010 Auto
Kiev 60 TTL
Kodak AG Retina IIF
Konica AutoReflex T4/TC/Autorex, Auto S/S1.6/S2/S261 meter, EE-Matic, EE-Matic Deluxe F/FM, c35/c35 Flashmatic
Kowa SE, SER, SET, SETR, SETR2, 6, 6 MM, Super 66
Leica CL, M5, Leicaflex SL/SL2/SL-MOT/SL2-MOT
Minolta SRT 100/101/200/201/202, SR 1/7/7V/100/102/200/201/202, AL-F, AL-E, Autopack 700, Himatic 7/7s/9/11
Minox 110S
Miranda Sensorex, Automex II/III, F, FM
Nikon F, FTn, FT, T, Tn, Nikkormat FT/FTn/FT2
Olympus 35 series: 35DC/35LC/35RC/35RD/35SC/35SP/35SPN/35UC, EED, Pen FT, FTL, M-1, OM-1, OM-1MD, OM-1n
Petri FT, FTIII, F1X, Racer, Petriflex 7
Praktica TL, TL1000, Super TL/TL2/TL3, LTL, LTL3, MTL3, MTL5, Praktica 66 meter, Prakticamat
Ricoh Simplex, Simplex II, SLX 500, TLS 400/EE
Rollei 35, 35S, 35T, 35 Classic, A26, 126, XF35, Rolleiflex SL35, SL35M, SL26
Spiratone Spiraflex TTL
Topcon RE Super, Super DM, 135EE
Vivitar 35EE, 35EF, 35ES
Voigtlander VF101, VS1
Yashica MAT 124, MAT 124G, Y12, Y24, Half 14, Lynx 14/14E/5000, Ministar 700D, Penta J3/J4/J5/J7
Zeiss Ikon Contaflex 126/SLF, Contarex Super/Super BC, Icarex 35S/35CS, SL706

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