john_clarke9 Posted November 27, 2018 Share Posted November 27, 2018 Hi, I just bought this camera, and am not getting a reading from the exposure meter. There was some white material in the battery well, which I cleaned out. The battery that was there was dead, so I replaced it with an AG13. Nothing. I then removed the from retainer ring and checked the 'eye' connections. They looked pristine. Please give me any suggestions you have. Thanks, ...... john Link to comment Share on other sites More sharing options...
stuart_pratt Posted November 27, 2018 Share Posted November 27, 2018 If you can, take off the base and check the connection to the battery chamber. old and leaky batteries left in cameras for years can corrode straight through delicate wiring. If you need to solder a wire back on, then good luck, it’s a fiddly business. Ask someone in the know how to do this properly as you can fry nearby electrical circuitry in a heartbeat. I hope you get it working, I’ve heard good things about the lens. 1 Link to comment Share on other sites More sharing options...
chuck909 Posted November 27, 2018 Share Posted November 27, 2018 I'd first try cleaning the battery contacts a little harder. Not sure if an AG13 is equivalent to a PX 675 1 Link to comment Share on other sites More sharing options...
john_clarke9 Posted November 28, 2018 Author Share Posted November 28, 2018 Hi Stuart, Excellent suggestion. One terminal was completely corroded. I soldered it back on and it works beautifully. (You're right though, it was a fiddly job.) - Is there a way of slowing down battery drain on a day to day basis? - Is there a way of checking for light leaks, other than shooting a roll of film? The foam is gummy but not falling off. Hi Chuck, The AG13 is "supposed to be" equivalent to the PX675 (which is what was in the camera); although the AG13 is rated at 1.5V as opposed to 1.3+V for the PX675. I understand that, if the battery is not right on wrt voltage, pictures will come out, either over, or under exposed. What are your thoughts? .... john 1 Link to comment Share on other sites More sharing options...
JDMvW Posted November 28, 2018 Share Posted November 28, 2018 Perhaps you'd be interested to know that a development of your camera was the first commericially sold autofocus camera: Konica C35 AF 1977 -- The "Fool Shoot Camera" There was also a Soviet clone of the Konica C35 1 Link to comment Share on other sites More sharing options...
john_clarke9 Posted November 28, 2018 Author Share Posted November 28, 2018 Hi JDMvW, I don't have the AF version, but your history is very interesting. Thanks, ..... john Link to comment Share on other sites More sharing options...
chuck909 Posted November 28, 2018 Share Posted November 28, 2018 Hi Chuck, The AG13 is "supposed to be" equivalent to the PX675 (which is what was in the camera); although the AG13 is rated at 1.5V as opposed to 1.3+V for the PX675. I understand that, if the battery is not right on wrt voltage, pictures will come out, either over, or under exposed. What are your thoughts? .... john I see that Wein makes a 1.35v replacement. If it were my camera. I'd shoot a roll and see if it was acceptable with the AG13 first. 1 Link to comment Share on other sites More sharing options...
Mike Gammill Posted November 28, 2018 Share Posted November 28, 2018 While the C35 has no meter switch you can minimize battery drain by keeping a lens cap on the camera when not in use or keep it in a closed camera bag. I use the 675 air zinc cell in mine and it's good for at least 3 or 4 months. 1 Link to comment Share on other sites More sharing options...
john_clarke9 Posted November 28, 2018 Author Share Posted November 28, 2018 I see that Wein makes a 1.35v replacement. If it were my camera. I'd shoot a roll and see if it was acceptable with the AG13 first. Yes, I could that, and exchange that batteries to see if there's any difference. I'm not sure where to get the Wein batteries here ..... near Toronto. .... john Link to comment Share on other sites More sharing options...
john_clarke9 Posted November 28, 2018 Author Share Posted November 28, 2018 While the C35 has no meter switch you can minimize battery drain by keeping a lens cap on the camera when not in use or keep it in a closed camera bag. I use the 675 air zinc cell in mine and it's good for at least 3 or 4 months. Hi Mike, Thanks for the tips. I've heard the air zinc batteries mentioned in blogs. Where do you get them? .... john Link to comment Share on other sites More sharing options...
chuck909 Posted November 28, 2018 Share Posted November 28, 2018 (edited) Yes, I could that, and exchange that batteries to see if there's any difference. I'm not sure where to get the Wein batteries here ..... near Toronto. .... john B&H in NYC has them for $4.59 USD PS - a quick search shows that Henry's in Toronto carries Wein Edited November 28, 2018 by chuck909 1 Link to comment Share on other sites More sharing options...
stuart_pratt Posted November 28, 2018 Share Posted November 28, 2018 Hi Stuart, Excellent suggestion. One terminal was completely corroded. I soldered it back on and it works beautifully. (You're right though, it was a fiddly job.) - Is there a way of slowing down battery drain on a day to day basis? - Is there a way of checking for light leaks, other than shooting a roll of film? The foam is gummy but not falling off. Hi Chuck, The AG13 is "supposed to be" equivalent to the PX675 (which is what was in the camera); although the AG13 is rated at 1.5V as opposed to 1.3+V for the PX675. I understand that, if the battery is not right on wrt voltage, pictures will come out, either over, or under exposed. What are your thoughts? .... john Re light leaks, just test it with film. If they are gummy, they'll need changing. You can do this yourself if you are careful. Make sure you cover up the film aperture so no crud gets on the lens/aperture/shutter. A sharp craft knife and good eyesight are needed to cut sheets of foam that you can get from a craft shop to the appropriate thickness. A good steel rule will help, you'll be amazed how thin you can cut it. Those for the film rails will hold themselves in if you get the thickness right. 1 Link to comment Share on other sites More sharing options...
john_clarke9 Posted November 29, 2018 Author Share Posted November 29, 2018 B&H in NYC has them for $4.59 USD PS - a quick search shows that Henry's in Toronto carries Wein Thanks...... Link to comment Share on other sites More sharing options...
john_clarke9 Posted November 29, 2018 Author Share Posted November 29, 2018 Re light leaks, just test it with film. If they are gummy, they'll need changing. You can do this yourself if you are careful. Make sure you cover up the film aperture so no crud gets on the lens/aperture/shutter. A sharp craft knife and good eyesight are needed to cut sheets of foam that you can get from a craft shop to the appropriate thickness. A good steel rule will help, you'll be amazed how thin you can cut it. Those for the film rails will hold themselves in if you get the thickness right. Right ..... OK Thanks. Link to comment Share on other sites More sharing options...
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