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10-12-2016, 06:03 PM   #1
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Problems with rented Sigma 24-70

I rented a copy of the Pentax D FA 24-70 2.8 (1st rental anywhere) to use at a wedding this weekend from an online rental shop. They shipped me a Sigma 24-70 2.8 EX DG HSM. Doh! I verified my order (which requested the Pentax) and then decided that I might try the Sigma since I had it. The lens works on my K-500 but it causes my K-1 (firmware v1.30) to lock up as soon as it's powered up. I cleaned the contacts on both camera and lens but same outcome. The lens will be going back tomorrow. Now that I've got that off my chest I can ask my question. Has anyone had issues with that Sigma on a K-1? It's unlikely that I would buy one but just curious. Thanks.

10-12-2016, 06:10 PM - 1 Like   #2
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This might help but it's about damage from a Sigma lens on a K-1:

https://www.pentaxforums.com/forums/190-pentax-k-1/320805-sigma-announcement-...ens-issue.html

Or this one which talks about the K-1 locking up.

https://www.pentaxforums.com/forums/190-pentax-k-1/327255-manual-focus-workar...lenses-k1.html
10-12-2016, 06:40 PM   #3
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QuoteOriginally posted by photolady95 Quote

Thank you for linking those articles...my search yielded waaay too many results to sift through in an evening. While I had heard about the contact between certain Sigmas and the K-1 I had not heard about the HSM issue.

I'll consider this issue closed.
10-12-2016, 06:49 PM   #4
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Glad I could help. I just searched the K-1 forum for Sigma lenses.

10-12-2016, 06:58 PM   #5
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QuoteOriginally posted by TomTom Quote
Thank you for linking those articles...my search yielded waaay too many results to sift through in an evening. While I had heard about the contact between certain Sigmas and the K-1 I had not heard about the HSM issue.

I'll consider this issue closed.
The lens will not work, as you said it locks up the K1. I purchased mine from KEH and used it on my K3 for two months while I waited for my K1. It worked fine accept it would not focus in live view. Then I placed it on my
K1 and it totally crashed. KEH gave me my money back and I purchase the FA 24-70 and I love it.
10-13-2016, 01:36 AM   #6
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Maybe I'm lucky, my Sigma 24-70 works OK on my K-1, which has firmware v1.30.

Cheers,
Terry
10-13-2016, 03:34 AM   #7
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QuoteOriginally posted by tduell Quote
Maybe I'm lucky, my Sigma 24-70 works OK on my K-1, which has firmware v1.30.

Cheers,
Terry
Glad to hear that. The vendor has offered to send the correct lens but I'm leaving Friday (tomorrow) morning. Bummer.

---------- Post added 10-13-16 at 06:10 AM ----------

QuoteOriginally posted by photolady95 Quote
Glad I could help. I just searched the K-1 forum for Sigma lenses.
I don't work the forums much so my search skills are weak, usually just reading the latest posts from the front page.

10-13-2016, 05:54 AM   #8
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Update.

They're shipping the correct (Pentax) lens to the hotel where I'll be staying in tomorrow and offered to let me keep it for an extra two days. Very nice, assuming that they get it right this time. ;-)
10-13-2016, 07:50 AM   #9
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QuoteOriginally posted by TomTom Quote
They're shipping the correct (Pentax) lens to the hotel where I'll be staying in tomorrow and offered to let me keep it for an extra two days.
Well, that was nice of them. Glad you got some satisfaction.
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