Web Analytics RiceHigh's Pentax Blog: Yet Another SDM Victim (and the SDM Petition Reminder)

Wednesday, June 30, 2010

Yet Another SDM Victim (and the SDM Petition Reminder)

See this latest user report and SDM is actually the culprit for the problem(s) which the user is complaining about:-

http://www.pentaxforums.com/forums/pentax-dslr-discussion/105420-remind-me-why-i-should-stay-pentax.html

As a reminder, for those Pentaxians who suffered and is suffering from the SDM failure and issue(s), please sign this online petition, you can contribute a little bit more to push Pentax/Hoya to admit the problem (wishful thinking anyway, I knew) so that the inherent/latent bug can be removed (not until that there will be brighter future for the brand Pentax!). For more details and the background, see:-

http://ricehigh.blogspot.com/2010/01/sdm-petition-online.html

Well, I haven't signed yet so far. But if the number of signatures approaches 1,000, I will sign.

Besides, Pentax/Hoya should give us a True Ultrasonic AF driving solution for real system performance (as we all knew SDM just means Slooow and Sluuugish), shan't they?
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Michael A.'s avatar

Michael A. · 770 weeks ago

Not to say the issue doesn't exist, but you never hear a statement on how actually people handle their gear. Just wondering if they leave it wet, bounce it around hard, drop it now and than as cell phones (hence dings when on eBay) or what... My SDM on DA*50-135mm works fine and catching birds in flight against the sky fast and sharp... Is it SDM only or the way the lens is handled. After all, it's not a hammer....
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Walter's avatar

Walter · 769 weeks ago

Amazing how many Pentaxians in that thread tried to pass her problems off as "user error" or "not knowing how to use her equipment properly.

BOTH her SDM lenses are duds - the 16-50 has failed twice and the 50-135 is dying. One year warranty only- really sad.

Then there are the posters who claim the Pentax AF and tracking is superior to Nikon and Canon. What a joke!
1 reply · active less than 1 minute ago
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Michael A.'s avatar

Michael A. · 769 weeks ago

Walter, which one of those two (both or any?) failed you and after how long? Could you also please share under (generally) what conditions? My only SDM 50-135 works admirably well so far (very silent and fast)... Thanks beforehand for first hand info!
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Walter's avatar

Walter · 769 weeks ago

Why would I want to buy a lens that must have the highest failure rate of any piece of camera equipment in history?

I use my cameras daily, both for work and pleasure. I can't afford to be without my lenses for weeks while they are in the shop. And, with a pitiful one year warranty, I don't want to be paying to replace SDM motors, the design of which has been problems from the start.

And your 50-135 might seem fast to you (ie fast by Pentax standards), but you obviously haven't used a fast camera system.
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Michael A.'s avatar

Michael A. · 769 weeks ago

Used only (perhaps fast) N D90 with medium zoom for half a day in Huntington library LA and it didn't feel any faster (or better) just heavy... Fastest is great if one can use it comes always to mind when (very often) a fast expensive exotic car is "parking" next to me in traffic on freeway.....Since I'm not trying to catch atoms in molecules, K-x & 50-135 SDM will do for now.... Interesting idea to judge things we don't have...

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