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01-01-2011, 02:04 PM   #1
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Help : What mount is that ?

I recently acquired an old camera with some lenses and cannot seem to find the mount of that teleconverter. I looked at the different mount on google image but really, different mounts often look alike and it makes it hard for me to be sure. I'm pretty sure it's not K-mount though as it would not fit on my K-x.

Picture :








thanks for your help.

01-01-2011, 02:46 PM   #2
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The last photo shows Vivitar's numbering for TCs, 2X-23. Pentax K is 2X-22, so it's definitely not going to work on your camera. It should be easy enough to find a cheap 2X-22, so you don't need this one.
01-01-2011, 03:36 PM   #3
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Cannon FD would be my guess.
01-01-2011, 03:37 PM   #4
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These are the ones I know of.

2X-1 Pentax m42
2X-2 Exakta
2X-3 Nikon F
2X-4 Canon FL/FD
2X-5 Minolta MD
2X-6 Miranda Sensorex
2X-7 Konica AR
2X-8 Pentax ES
2X-9 Miranda Auto Sensorex
2X-10
2X-11
2X-12
2X-13
2X-14
2X-15 Topcon super D
2X-16
2X-17 Topcon Auto
2X-18
2X-19
2X-20
2X-21 Olympus OM
2X-22 Pentax K
2X-23 Fujica
2X-24 Yasica / Contax

So it makes yours a Fujica. Not one of those you see most frequently.

There are some mounts missing, so I don't know if the missings numbers are just missing, or if Vivitat never used them.

01-01-2011, 04:15 PM   #5
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Sometimes the mount type is written on the caps too.

Last edited by georgweb; 01-01-2011 at 04:36 PM.
01-01-2011, 08:17 PM   #6
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I had a look at the cap but no luck. I will have another look and see what I can find !
01-02-2011, 08:41 AM   #7
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In your second picture I see a locator notch, similar to what Pentax uses, to keep the lens in place once mounted. The only two brands I have found with such a notch are Pentax and Nikon. The Pentax notch is at about 4 o'clock, the Nikon at 9, if the red alignment dot is at top center, or 12 o'clock. If this adapter is not Pentax, it should be, according to the locator notch, a Nikon.

Pictures of most bayonet mounts Here

Very handy link.
01-02-2011, 10:54 AM   #8
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QuoteOriginally posted by kp0c Quote
I recently acquired an old camera with some lenses ...
Just out of curiosity, what camera is this ? Which lenses ?

I saw Douglas's post and did trust him with his Fujica-X nomination. Here's a pic of an X-Fujinon mount which does look the same, Auctiva Image Hosting

I would say if you only have the pictured teleconverter in that mount it does not make any sense to try to convert it to anything else. If you have another lens with this mount you might think about converting the male part of the t-con to Pentax for some kind of macro work. The difference in register to PK is 2mm and that's quite a lot.

01-02-2011, 02:31 PM   #9
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Hey George ! The camera I acquired is an old Pentax Spotmatic in working condition. But I was more interested in the Super-Takumar 50mm 1.4 that came with it. The lens is in pretty bad shape, but it still works great. I have no clue whatsoever what the guy was doing with this teleconverter! As you said, I have no use for it and will therefore try to sell it somewhere... however, who uses Fujica-x camera nowadays?
01-02-2011, 03:21 PM - 1 Like   #10
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QuoteOriginally posted by kp0c Quote
... however, who uses Fujica-x camera nowadays?
Thanks for coming back kp0c, and yes I'm afraid nobody uses Fujica-X cameras nowadays. Your 2x teleconverter looks like a 4-lens design, which is not really worth much (or anything :-).

It all adds up to the morbid charm of a doomed camera system from the 80s and there are a lot more of these around. In retrosepect you gotta cheer Pentax for getting it right the first time with the K-mount-system.
01-02-2011, 05:17 PM   #11
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Thanks Georgweb for your previous knowledge, I sure appreciate your time and also, I like learning a little more about old camera systems, and about the past of photography in general. I'm sort of a youngster and Digital is pretty much everything I know!

I'll try to find some sheets of paper in need of weight for the fuj-x.
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