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11-17-2007, 09:41 AM   #1
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Pentax DA 18-250

I just tried out the new Pentax DA 18-250mm at the Ace Photo Demo Day. I was very impressed with the reach and it handles nicely. There is one important thing you should know before buying this lens however...

It does NOT have the “Quick-Shift Focus System”.

This means you cannot move the focus ring by hand when it is in autofocus. This is not really surprising since it is really just a rebadged Tamron. It is disappointing though. Frankly MFinAF is one of my favorite features in the DA lenses so I guess I will be skipping this one until or unless they update it to allow manual focusing while in AF mode.

If this feature doesn't matter to you it is a very nice little lens with incredible reach.


Last edited by MRRiley; 11-17-2007 at 12:29 PM.
11-17-2007, 09:53 AM   #2
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Thanks for the information. It's a feature that doesn't matter to me. As soon as it is available here... I'm ordering it.
11-17-2007, 10:43 AM   #3
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Since I shoot mostly in manual focus it wouldn't usually bother me.
However it's sure a nice feature to have, and I made the mistake of focusing with one lens like that in auto focus once already. Good thing that I didn't damage it.
11-17-2007, 11:53 AM   #4
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QuoteOriginally posted by MRRiley Quote
It does NOT have the “Quick-Shift Focus System”.
Yes, that's true. But even IF it has quick shift, I am not sure how useful it would be. The lens has such a short throw that it is very difficult to manual focus or manually refine focus.

11-17-2007, 12:20 PM   #5
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I agree that such a facility should be added. I have a Tamron 70-300. Lens hood was a little stiff to click into place and in so doing the AF was considerable moved, grinding against the gears a little. No damage done, fortunately, but something I am very much on the look out for now.
11-17-2007, 03:13 PM   #6
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Quick Shift is what i like VERY much about kit lens - great feature... And I am planning to get 18-250, so i am a little (just a little) disappointed about that. Still want to get it. Anyway, are there other super-zooms (from wide to tele, not 70-200 or so) that support quick shift?

And does anyone have some pictures from 18-250 Tamron of Pentax to see?
11-17-2007, 03:43 PM   #7
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This guy has 2 for 514.00 bucks. I was wondering if the Tamron was better before I take the plunge?

RARE PENTAX-DA 18-250mm F3.5-6.3 ED AL MINT BRAND NEW - (eBay item 110192780531 end time Nov-19-07 17:18:35 PST)
11-17-2007, 09:21 PM   #8
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Thanks for the info, Mike. Even without the Quick Shift feature, this lens would be ideal for the kind of thing I did today - grabbed snapshots of the Festival of Lights - a preholiday ritual here in Lake Jackson (my grandaughter's dance class performed, the magnet that drew me there). This gig is essentially a downtown carnival that spurs the need for every focal length under the sun. I swore that I'd buy no more lenses, but I checked my gear shelf. . . . and there's room for just one more.

Jer

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