... The all black newer FD 50mm 1.8 lens I added did not seem to want to meter properly apperture-wise. I took a silver backed (older) lens off my Canon TX and metering worked fine. Anyone else have this issue or is it par for the course? ...
The PX625 A 1.5V battery is a Alkaline battery and beside the voltage difference Alkaline doesn't have the correct discharge characteristics over it's service life producing inconsistent exposures as it ages..Beautiful camera and lens.
My FTb with 50/1.8 (post #1358) meters about one stop too high (which would result in underexposure) - but I believe that's because I'm using a 1.5v PX625 instead of the 1.35v supplied by the no longer available mercury PX13.
Some people choose to compensate by adjusting the ISO; others buy an adaptor for use with a different 1.3v battery.
So help me, I could not resist. Immaculate Canon FTb body arrived today. It is strange that The all black newer FD 50mm 1.8 lens I added did not seem to want to meter properly apperture-wise. I took a silver backed (older) lens off my Canon TX and metering worked fine. Anyone else have this issue or is it par for the course?
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... As for batteries, I use 675 hearing aid batteries -- 1.4v which is plenty close enough to the original. Plus the zinc-air technology results in a discharge profile that is almost identical to that of the original PX625. The 675 hearing aid batteries are smaller in diameter, but this doesn't matter with the FTb since it has a spring loaded cap for the battery compartment. The spring keeps the battery centered. Lastly, the 675 hearing aid battery is MUCH cheaper than the Wein zinc air offering. ...
I've had situations occur to me where my FD camera didn't properly engage the metering levers at the rear of the lens, which resulted in it not responding right. Usually dismounting and carefully remounting the lens will take care of the problem. It's worth noting that, with the FTb (great looking example, by the way!), the aperture must be moved off the "A" setting for the lens to mount, but you probably already know this.
Good to know this - thanks.
Adapters are available for this purpose.
http://www.ebay.ca/itm/222002363306?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649
A beautiful condition NOBA 5X7 studio camera, with stand, several backs and accessories. Fully functional and great conversation piece in the living room. I think my bride is warming up to the idea but then one never really knows . . . Bill Barber
The PX625 A 1.5V battery is a Alkaline battery and beside the voltage difference Alkaline doesn't have the correct discharge characteristics over it's service life producing inconsistent exposures as it ages..
Nikon F Photomic Tn
A Yashica Penta J with a stunning Petri Orrikor CC Kuribayashi 50mm f2 lens... A camera built like a tank and breathtakingly sharp little lens.
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I really need to stop buying before I really begin!
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