Chinon Lens Serial Number

I am not familiar with the Chinon (apparently, there are several Chinon models) but several older cameras, such as the classic Nikon F Photomic FTn and others, used two PX13 cells stacked on top of each other. The PX13 was a 1.35 volt mercury cell which is no longer available in many countries (because of the mercury). I believe the modern alkaline 625 is the same physical size, but it is 1.5 volts and the meter will need to be calibrated to operate at the higher voltage. If your Chinon used two PX13 cells there is, however, the Wein cell which is also 1.35 volts and can directly replace the PX13. The only disadvantage of the Wein cell is that once it is activated it has a usable life of only about 6 months (or so I have read).

Good luck, Richard Baker.

Struck me at the time of launch as a massive retrograde step from the ME. I've got a few auto-only cameras, from the OM10 with manual adaptor, through the Praktica BCA and Rolleimagic which indicate exposure to the Konica FP-1, which doesn't. I just don't like not knowing - although oddly enough, I don't mind with the Pentax Auto 110.

Identify my nikon! What is this?? (notice that the serial number on the back begins with 'FM'). The lens might be worth more than the body.

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Anyway, I still prefer the MX for my modest slew of M lenses (28 f2.8, 40, 50 f1.7 and 135 f3.5) - just as compact - in my mind, the nicest compact SLR ever made by a country mile. Can't argue with that, nor would I wish to, the MX is probably my favourite manual SLR. I even still use one today, although not so often thanks to the Digital Tide. As regards the MV, it was more of a sideways step and aimed at tempting compact users who wanted no complication into the SLR world. It ran alongide the ME Super. The MV1 added a self timer and the MG reverted to having a shutter speed display in the viewfinder.

The MV/MV1/MG are effectively the same camera with slight variations. I did write an article covering all these models and the M series lenses over two issues of Pentax User Magazine, and anyone interested could enquire after back issues. The M series is a very useable and enjoyable photographic experience - well designed, slick and efficient.