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05-08-2017, 01:06 PM   #1
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Sigma 24-70mm f/2.8 Aspherical lens - Pentax K-1 - Compatibility Issues

Hello.

I need to make a purchase decision ASAP, so I would greatly appreciate any quick responses.

Will the firmware on the Sigma 24-70mm f/2.8 Aspherical lens work on the K-1?

If anyone has used this lens, would you please share your thoughts with its use for full body shots (prom pictures)?

Are there any limitations or compatibility issues using the Sigma 24-70mm f/2.8 Aspherical lens with the K-1?

Thank you,
Tim Flanigan

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Last edited by Tim Flanigan; 05-08-2017 at 02:44 PM.
05-08-2017, 01:36 PM - 1 Like   #2
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DG means Full Frame in EX series.

24-70mm F2.8 IF EX DG HSM Refurbished | Sigma Corporation of America

LEns specifications says "full frame".
05-08-2017, 01:48 PM - 1 Like   #3
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Yes, and I like mine.
05-08-2017, 02:20 PM   #4
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QuoteOriginally posted by VoiceOfReason Quote
Yes, and I like mine.
Thank you for your quick reply.

I see you own the HSM version?

I guess yours looks a little different from the one in the picture I posted?

I'm concerned that the different (older) firmware on the Aspherical version of this lens could have issues with automated functionality, such as AF system working properly on the K-1?

Any thoughts?


Last edited by Tim Flanigan; 05-08-2017 at 02:49 PM.
05-08-2017, 03:09 PM - 1 Like   #5
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I have the older version, it works flawlessly. It is my walk around lens most of the time. It also has a nice close focus aspect to it.
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