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12-19-2010, 08:22 AM   #31
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QuoteOriginally posted by alohadave Quote
Don't base your buying decisions off the squeaky wheels at this website.
Well, that's a good point. I have not seen many, if any, complaints on the 60-250 specifically. Now that it's been in the hands of this community for a while we should be getting an idea of the reliability of that implementation.

But I was also noting that Pentax will have a bit of an uphill climb in marketing add'l SDM lenses to the Pentax community.

We'll see. I have a Sigma 100-300 f/4 and will have to think about this whole issue in the next year or so.

12-19-2010, 08:50 PM   #32
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16 elements in 5 groups with three aspherical? Interesting lens!

Hard to see how a DA12-35mm won't completely eat sales of the DA12-24mm, especially with WR added. Unless it works out a lot more expensive. Or worse IQ, but I'm optimistic on that score, given the info in the patent.
12-19-2010, 09:41 PM   #33
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QuoteOriginally posted by rparmar Quote
16 elements in 5 groups with three aspherical? Interesting lens!

Hard to see how a DA12-35mm won't completely eat sales of the DA12-24mm, especially with WR added. Unless it works out a lot more expensive. Or worse IQ, but I'm optimistic on that score, given the info in the patent.

I thought the same thing. So I am assuming it will be substantially more money
12-19-2010, 09:56 PM   #34
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Hmmm, and the 12-24 isn't exactly cheap. I'll say to those doubting the utility of 35/4.5, I use my FA 20-35 all the time , and that is f/4. Inside with bounce flash especially.

12-20-2010, 07:09 AM   #35
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The DA12-24 could simply be discontinued and replaced by this one.
12-20-2010, 07:33 AM   #36
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That would be a great range to have; I've been waffling on getting a 16-45.

Could be an expensive spring coming up...
12-20-2010, 07:54 AM   #37
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QuoteOriginally posted by glanglois Quote
Implies that SDM is not ready to be replaced by DC?

Implies that Pentax believe that use of SDM will not inhibit sales? That's a bit hard to swallow, judging by what I read on this site. Please note that I used the word "inhibit", not "prevent". A longer-term warranty would help fix some things. Like my reluctance to acquire the 60-250.

Caution: I have not read the patent yet. Nor ever will unless it's translated by an accomplished translator. Anyone want to help?
the 18-135 WR has SDM (silent drive mechanizm) with DC motor, so take a deep breath and dont connect DC to WR lenses only!
refer to point 3 smc PENTAX-DA18-135mmF3.5-5.6ED AL[IF] DC WR A high-zoom-ratio standard zoom lens, designed exclusively for PENTAX digital SLR cameras
12-20-2010, 09:05 AM   #38
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QuoteOriginally posted by stanic Quote
the 18-135 WR has SDM (silent drive mechanizm) with DC motor, so take a deep breath and dont connect DC to WR lenses only!
refer to point 3 smc PENTAX-DA18-135mmF3.5-5.6ED AL[IF] DC WR A high-zoom-ratio standard zoom lens, designed exclusively for PENTAX digital SLR cameras
Yeah, interesting to see the use of SDM on the Japan site. Whereas in constrast, they seem to be downplaying use of that and focusing on phrases such as 'DC Motor' and 'Direct Current' to describe its AFing attributes on their US, UK and DE websites.

They also don't seem to go heavy, if at all, on upbeat "fast" or "faster than..." with the 18-135, claims that previously led to egg-on-face critique from end users, leveled back at them over SDM 1 in particular.

It clearly shows someone's probably been listening anyway, because many say the 18-135 DC is genuinely fast and good value (by Pentax lens standards anyway). Simple, honest end user statements like that beat exaggerated bullshit advertising claims anyday. When a Pentax lens' AF exceed that of some Nikon only then do they earn the right to use the word "fast".

To be honest, like Geoffrey said prior, I too have read so much anti SDM speak on 16-50, 50-135 and 60-250 from peers, that any desires to acquire either, particularly the latter specimen in my case, have been quashed.

So, I reserve all interest in a 12-35 too until the letters SDM are disassociated, and even then let it prove its mettle first.

.R.

12-20-2010, 09:14 AM   #39
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QuoteOriginally posted by Hypocorism Quote
To be honest, like Geoffrey said prior, I too have read so much anti SDM speak on 16-50, 50-135 and 60-250 from peers, that any desires to acquire either, particularly the latter specimen in my case, have been quashed.
How many reports of dodgy SDM have you seen on the 60-250mm?
12-20-2010, 09:33 AM   #40
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QuoteOriginally posted by Nick Siebers Quote
Hmmm, and the 12-24 isn't exactly cheap. I'll say to those doubting the utility of 35/4.5, I use my FA 20-35 all the time , and that is f/4. Inside with bounce flash especially.
I checked. About half my hots are at f/4.5 or smaller aperture, and most of these are normal shots (only a few are macros - I own the DA35 Ltd Macro). And I'm pretty sure I would have used a smaller aperture on a large share of the f/2.8 shots if it had been possible (i.e. if I had used that low light monster K-5 instead of my K10D). I do have a few favorite shots (e.g. a portrait from a few days ago) that wouldn't have worked at smaller aperture than 2.8, but then I don't expect a lens like this to actually replace my DA35 Ltd!
12-20-2010, 09:41 AM   #41
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QuoteOriginally posted by Mike.P® Quote
How many reports of dodgy SDM have you seen on the 60-250mm?
Quite sufficient from credible sources to convince me that's it's a over rated, slow as.. dog for its very sizable asking price and that my hard earned wherewithal would be best directed elsewhere.
And the best thing is, I get to make that conclusion, armed with all the cumulative input from non brand pushers that I'm able to gather.

.R.

Last edited by Hypocorism; 12-20-2010 at 11:26 AM.
12-20-2010, 11:19 AM   #42
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I recently bought the 60-250mm, and like it very much. Wonderful optics, silent focusing, and a pleasure to handle. I suppose this qualifies me as a brand pusher.
12-20-2010, 12:42 PM   #43
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QuoteOriginally posted by Hypocorism Quote
Quite sufficient from credible sources to convince me that's it's a over rated, slow as.. dog for its very sizable asking price and that my hard earned wherewithal would be best directed elsewhere.
And the best thing is, I get to make that conclusion, armed with all the cumulative input from non brand pushers that I'm able to gather.

.R.
I didn't ask what you thought of the lens based on other "credible" sources (which probably means they also heard something from a "credible" source rather than being an actual user).

The question was .. how many dodgy SDM reports have you seen on the 60-250mm?

And no, I am not a brand pusher, just asking a simple question.
12-20-2010, 12:49 PM   #44
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QuoteOriginally posted by Kammerer Quote
I recently bought the 60-250mm, and like it very much. Wonderful optics, silent focusing, and a pleasure to handle. I suppose this qualifies me as a brand pusher.
No but it does qualify you as a credible source
12-20-2010, 12:52 PM   #45
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Enough slow lenses!!!

If it were 2.8 I would be all over it, and would love it. Having that on one cameras and the 50-135 on the other would be a great combo, and I wouldn't miss the gap from 35-50. But I think pentax is getting their rocks off too much with their new high ISO monster, and seem to not car about fast glass anymore.
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