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Old Mar 10, 2008, 11:24 PM   #1
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hi
got this lens for $5. But it might be wasted money as it dosen't seem to mount on my k10d. any clues why??
thanks
bob
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Old Mar 10, 2008, 11:25 PM   #2
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Old Mar 10, 2008, 11:27 PM   #3
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seems to be this side
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Old Mar 10, 2008, 11:43 PM   #4
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The last picture tells the story - this has a longer flange than it should to mount on the dSLR lenses. There are a number of people on the internet that have modified the flange (i.e., cut it down to the right size) and used them without further problems. I'm not enough of a do-it-yourself person and don't have the proper tools, but I'm sure that several people here can tell you how it's done.
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Old Mar 11, 2008, 1:38 AM   #5
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Check this thread.

http://forums.steves-digicams.com/fo...ghlight=flange

It was actually very easy to remove the part with the flange, grind itto the right shape (made of thin aluminium), put a little black paint on and mount it back on the lens.

Kjell

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Old Mar 11, 2008, 4:56 AM   #6
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Hi,
Useful info on this page. ... Jack

http://www.robertstech.com/flange.htm
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Old Mar 11, 2008, 9:29 AM   #7
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Thanks all,

I am glad I asked. I guess that so far its not a wasted $5. I have a tendency to force things and have to keep reminding myself not to with my DSLR. LOL

( I havve to see if itfunctions well after I grind it though

Bob )
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Old Mar 11, 2008, 10:16 AM   #8
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I've had a couple of those and for $5 it is a steal. Pretty good Image quality at f/5.6 and f/8.

Dawg
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Old Mar 11, 2008, 12:10 PM   #9
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I had this type of flange, and just removed it and left it off.

So long as you are carful with the lever, no problems.



Dal



PS real reason I left it off, was I tried to cut it and it snappped!! LOL
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Old Mar 11, 2008, 1:07 PM   #10
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I bought a Vivitar P/K lens with a similar large flange. It was held on by three small screws that removed easily (I had to buy a set of jewelers screwdrivers). It took me about two minutes to reduce the flange down to standard Pentax size using a medium file. I gave it a quick spray of flat black paint to cover the bright metal and it was back on the lens within 5 minutes.

I am not particularly skilled, so I would rate this an easy fix.

Some of these older lenses are optically quite nice and at $5 the price/performance ratio is unbeatable!

Mike
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