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11-13-2010, 02:51 AM   #1
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[langtitle=vi]How to install Sigma 30mm 1: 1.4 for sa PKR in Pentax K7[/langtitle]

Please help me.
I have just bought this len Sigma 30mm 1:1.4 DC HSM.

In box said for pentax AF, in cap said for SA/PKR. Serial No. 102 1326 but it is not fit in my K7. I don't know how to install this len in my K7.

Please Help me

11-13-2010, 03:10 AM   #2
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It may be a lens for some other mount (brand) but wrongly put in a Pentax AF box.

Can you post a pic of this lens' mount? then we can tell for sure.
11-13-2010, 03:31 AM   #3
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Ok, here is image.

Please help me
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11-13-2010, 04:32 AM   #4
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looks like EOS mount, I can't see any screwdriver coupling that Pentax has

11-13-2010, 06:33 AM   #5
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QuoteOriginally posted by Acheron Quote
looks like EOS mount, I can't see any screwdriver coupling that Pentax has
Notice the type and location of the contacts. Doesn't look like any Pentax lens I have seen.
11-13-2010, 08:37 AM   #6
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Sure not for pentax but i dont know this len for what body (nikon, canon or sigma) and this len can fit to k7 or not ( use adapter ...)?
11-13-2010, 09:30 AM   #7
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Without knowing what mount it is, there is no way of knowing if a successful adaptation can be made.
To me it looks like an EOS mount, which is not going to adapt to Pentax.
You may as well send it back to the vendor and wait for something you can use.
11-18-2010, 07:57 AM   #8
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Looks like a Sigma mount to me. It's called SA bayonet - that's what the lens cap says.
Also have a look here, around 1/3 down, there is photo of two Sigma mount lenses: Sigma SD14: Quick Look at a Quirky Wonder - AnandTech :: Your Source for Hardware Analysis and News

11-18-2010, 03:47 PM   #9
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QuoteOriginally posted by gauthoi Quote
Sure not for pentax but i dont know this len for what body (nikon, canon or sigma) and this len can fit to k7 or not ( use adapter ...)?
Whatever mount it is, don't bother trying to attach it to a Pentax DSLR, even with an adapter.

If you could mount it at all (with or without adapter), you'd lose autofocus, auto-exposure. I don't think you can even control the lens's aperture for manual shooting.
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