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View Poll Results: Do the reported SDM failure problems affect your purchasing?
Yes 9676.80%
No 2923.20%
Voters: 125. You may not vote on this poll

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02-07-2010, 02:49 PM   #1
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Do SDM problems affect your purchasing

Couldn't resist this question.
Fairly simple:
Do the reported SDM problems affect your purchasing?
i.e.: did you cancel/postpone your lens purchase based on these?

TIA
Peter

02-07-2010, 04:26 PM   #2
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QuoteOriginally posted by axl Quote
Couldn't resist this question.
Fairly simple:
Do the reported SDM problems affect your purchasing?
i.e.: did you cancel/postpone your lens purchase based on these?

TIA
Peter
Hmm, there was a similar poll just recently, but I guess this is the topic of interest at the moment.

No, they do not. What we see mostly right now is a lot of early SDM lenses failing. Any lens purchased today comes at least with 1yr warranty, often 2yrs warranty. The problem is most likely known and fixed internally, but will not be communicated. Occasional SDM failures will still occur and increase insecurity, but there are a lot fewer problems reported on newer lenses compared to older ones.
02-07-2010, 04:41 PM   #3
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I called pentax before purchasing the Da* 55-135mm and they assured there is no problem with the SDM in Da* lenses although they claim they had few returns in the past that were quickly fixed taken care off.

Amazon recently got a new shipment of the DA* lens. That's when i purchased mine. This was about 3 weeks ago. Lens is great and works great. Quality is top notch. No issues as some claim. Remember you have 1 year warranty and you can always return it back to amazon within 30 days.
02-07-2010, 04:51 PM   #4
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I agree that longer warranty will definitely be a huge plus and Pentax should look into this, but you can't compare quality between the lenses you mentioned and Da*. You have to sacrifice warranty compared to other lenses if you want quality. What would i do with a 10 year warranty if lens doesn't provide me with the quality i'm looking for.

The reason I mentioned the 1 year warranty because if there is a problem with the lens you should know within a year. I did not come across any posts that shows lens SDM failure after 1 year of usage. Of course it can happen since it's electronics and not 100% fault proof, but the percentage is extremely low.


Last edited by Alex00; 02-07-2010 at 04:57 PM.
02-07-2010, 04:54 PM   #5
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If the Pentax standard warranty was at least 3 years, I would not care at all about the problems I hear with SDM.

As it stands now, with only a 1 year warranty, I have purchased the Tamron 70-200/2.8 over the Pentax 50-135/2.8. I wanted a smaller, lighter lens, but did not want to deal with out of warranty repairs.
02-07-2010, 04:59 PM   #6
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QuoteOriginally posted by Damn Brit Quote
I think there have been a few that have failed outside warranty. And people do make comparisons, in the case of these failures, that is considered to affect the quality.
There is obviously a difference of opinion between you and me on this, you chose to take the risk, I chose not to. So far the voting is 8-3 against Pentax, I know it's early but if the percentages remain similar, it's shows that sales could be seriously affected.
That's why i said very low percentage. Can be counted on the fingesr. Small percentage of Failures are normal with any make and model.
02-07-2010, 05:14 PM   #7
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I must have gone thru tons of pages about DA* lenses. Almost 50% of the users think they have a lens problem because they don't not know how to operate the equipment properly. lack of experience. I know that Putting down $1000 for a lens is not easy and you want to make sure your not getting a defective lens or a lens that will fail on you within a short time down the road. To me 1 year to detect failure is sufficient. What happens after 1 year, i wouldn't worry myself too much about it. You may get hit by a truck tomorrow.
02-07-2010, 05:20 PM   #8
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yes, bought sigma 70-200/2.8 before 60-250...

02-07-2010, 05:25 PM   #9
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It's normal. If i didn't buy the DA* lens i would vote otherwise. i never expected NO to be majority.
02-07-2010, 05:30 PM   #10
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Failures or not, it just affects my purchasing 'coz I can't get myself to purchase such expensive lenses..specially if you take into account something that would/can fail.
02-07-2010, 05:31 PM   #11
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The majority voting for YES is normal. 13 to 3 now. I never expected the voting to be otherwise. This is normal reaction from users who never owned DA* before.

This is in response to your post
13-3 against as of this moment, you appear to be in the minority so far
02-07-2010, 05:33 PM   #12
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QuoteOriginally posted by GerryL Quote
Failures or not, it just affects my purchasing 'coz I can't get myself to purchase such expensive lenses..specially if you take into account something that would/can fail.
If that's the way you think, something would/can happen to anything you have not just lenses.
02-07-2010, 05:36 PM   #13
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I'm talking based on my experience with the DA* lens. nothing more.
02-07-2010, 05:36 PM   #14
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QuoteOriginally posted by Alex00 Quote
The majority voting for YES is normal. 13 to 3 now. I never expected the voting to be otherwise. This is normal reaction from users who never owned DA* before.

This is in response to your post
13-3 against as of this moment, you appear to be in the minority so far
I owned a 16-50 that worked perfectly, and am still worried about SDM problems.
02-07-2010, 05:38 PM   #15
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QuoteOriginally posted by wallyb Quote
I owned a 16-50 that worked perfectly, and am still worried about SDM problems.
It's like using a computer and worrying about the hard drive failing. It can fail at anytime.
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