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02-18-2009, 11:04 PM   #1
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Fujica Bayonet mount camera question

Found a Bayonet Fujica STX-1N with a few lenses, Is this the same mount as regular Pentax K mount? Can I use Fujica Lens on a Pentax? thanx


Last edited by winglik; 02-18-2009 at 11:13 PM.
02-19-2009, 12:17 AM   #2
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Pentax register distance = 45.46mm

Fuji X = 43.5mm

So no...the mount is not the same. Even if they were physically, you would not get infinity focus since the X mount is closer to the film plane.

Fujica ST mount lenses can be used via the M42 adapter...but only wide open unless you modify the aperture pin.
02-19-2009, 01:10 AM   #3
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you can mount fujica ST lens on pentax, only you'll have some minor problems dismounting it.
i tried it once, hopefuly, there was pentax rep nearby, it took him good 10 minutes of fiddling and a little bit of forcing to unmount it. no damage to body (MX) nor lens (50/1.9).
02-19-2009, 04:04 AM   #4
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But there are some nice older Fuji cameras that use screwmount lenses. I bought my brother an ST605n to replace his first camera which was stolen. It was fun to test it out because I got to use Takumars on an actual screw mount camera. The top shutter speed was an odd 1/700s, not ideal for fast lenses that only stop down to f16, ISO400 and tropical sun. Later models go to 1/1000 like you'd expect. The "kit" lens was a 55mm f2.2 that apparently even the Fuji fans aren't excited about. Fuji EBC lenses attract bidders like flies on eBay, but I don't think they're that much better than Takumars.

02-19-2009, 12:36 PM   #5
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Thanx all. I ask this because their lenses are very cheap.
02-19-2009, 12:54 PM   #6
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For using screw lenses, I'd recommend the ST801. I'm using my dad's bought in 1977.

1/2000 top speed, LED meter, open metering with ST lenses, ISO from 25-3200, split prism focus screen. Almost a pro-level body, feature-wise.

As for X lenses...it may be possible to put a K mount on them. Although I'm not sure anyone has ever tried since they will not reach infinity. But that would not be a problem with a lens like an f/1.2
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