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06-27-2007, 12:47 PM   #1
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Fuji Fujinon 1:1.8 55mm vs. Super-Multi-Coated Takumar 1:1.8 55mm

The last matchup in the first round of my Normal Lens Shootout is done!

These two lenses were pretty good, I was impressed with both.


Stay tuned for Round 2!

06-27-2007, 03:02 PM   #2
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Could you link to the auto/manual adapter thingy you mentioned?
I have no idea what it does but I'm curious :-)
06-27-2007, 03:26 PM   #3
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The adapter is something he made himself. What it does is to keep a pin at the rear of the lens held in; this pin closes down the aperture to the chosen f/stop. With an M42-mount camera, the camera would have a mechanism to depress this pin. The K-mount cameras of course do not have such a mechanism, so there is nothing to hold the pin in, which means that you cannot stop down the aperture and therefore can only use the lens wide-open... unless you modify the lens as Mr Carpenter did.

This is not an issue with many other M42 lenses which have an Auto/Manual switch on the lens that allows you to close down the aperture on the lens instead of having to rely on the camera to do it. If you look at the photo of the two lenses side by side, you will notice that the Asahi has such a switch, just below the aperture ring.

P.s. if you read the text below the image, the Fujinon is on the "other left" and the Asahi is on the "other right"
06-27-2007, 03:59 PM   #4
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Thanks, Zaphod....just makes me want to get lenses that have an A setting because that sounds like a pain :-)

06-27-2007, 04:17 PM   #5
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Oh, it is

I have the same Fujinon. I wanted to try it on my K100D but that would require gluing things on... and then I wouldn't be able to use it on an m42 camera any more. If you want M42 lenses that work on dSLRs, best to stick with ones that have the A/M switch.
06-27-2007, 05:20 PM   #6
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QuoteOriginally posted by ZaphodB Quote
P.s. if you read the text below the image, the Fujinon is on the "other left" and the Asahi is on the "other right"
LOL! Damn proofreaders all missed it. Looks like they're off the payroll!
06-27-2007, 05:25 PM   #7
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QuoteOriginally posted by ZaphodB Quote
... unless you modify the lens as Mr Carpenter did.
I actually only modified the adapter, so you could still use it on an M42 body. I'm still dreaming of a digital Spotmatic!!

It wasn't my idea, I actually got it from another Pentaxian - JensR - the instructions are here:
www.jr-worldwi.de: Photography
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