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12-08-2011, 06:29 PM   #16
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Just another detail.
How much difference there is between DA and DAL 55-300.
I know two differences:
1. DA has Quick Shift - I don't really care right now, because
a) I believe in K5 I can assign button to quick disable/enable AF.
b) my vision is far from perfect and I heavily rely on AF anyway.
2. DA has metal mount ivs plastic in DAL, kind of nice but not really show stopper unless it causes some other negatives?

Is anything else significantly different except price of course?

12-08-2011, 07:00 PM   #17
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As I have both the DA 50-200 WR and the DA 55-300, there are obvious differences to consider. Most people will say the DA 55-300 is better optically. However if you've got a good copy of the DA 50-200, the lens can deliver image quality as good as the DA 55-300 (this is my third DA 50-200 and second DA 55-300).

The DA 55-300 does have the longer reach BUT the lens focuses a lot slower due to the longer focusing travel. In good light and a fast focusing camera like the K-5, it isn't a big issue to lock focus but the lens will hunt when light levels are fading. This is after all a variable aperture zoom that is only f/5.8 at 300mm. The lens is a lot bigger and heavier than the DA 50-200mm and at 300mm, handshake is something to consider, even with SR.

Where the DA 50-200mm shines is in it's compact dimensions and light weight. Focusing is definitely faster compared to the DA 55-300, which can be a consideration when shooting fast moving subjects. As to lack of reach, there are two very simple solutions: get closer to the action and maximize the megapixels and crop.

Even though I have the Sigma 70-200 f/2.8 and the DA 55-300, I still keep the DA 50-200 because it is excellent as a compact, travel lens with a good tele zoom range. In it's current WR guise, it makes even better sense imo.
12-08-2011, 07:31 PM   #18
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QuoteOriginally posted by borysr Quote
Just another detail.
How much difference there is between DA and DAL 55-300.
I know two differences:
1. DA has Quick Shift - I don't really care right now, because
a) I believe in K5 I can assign button to quick disable/enable AF.
b) my vision is far from perfect and I heavily rely on AF anyway.
2. DA has metal mount ivs plastic in DAL, kind of nice but not really show stopper unless it causes some other negatives?

Is anything else significantly different except price of course?
The DA also has a hood, and you should always use the hood with this lens. I have the DA55-300 and I use the quick shift feature a lot to assist focus speed, a quick manual until you're close, and then finish with the AF. I have the K20D and use an Optech sleeve in the rain, works great. The majority of my shots with the 55-300 are at 300mm, very few between 100 and 250.
12-08-2011, 08:21 PM   #19
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QuoteOriginally posted by borysr Quote
Just another detail.
How much difference there is between DA and DAL 55-300.
I know two differences:
1. DA has Quick Shift - I don't really care right now, because
a) I believe in K5 I can assign button to quick disable/enable AF.
b) my vision is far from perfect and I heavily rely on AF anyway.
2. DA has metal mount ivs plastic in DAL, kind of nice but not really show stopper unless it causes some other negatives?

Is anything else significantly different except price of course?
While the 18-55 has two different optical formulae with the DAL being inferior, optically the 55-300's are identical. Quick shift, metal mount, and included hood are the only differences.

12-09-2011, 03:28 PM   #20
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QuoteOriginally posted by borysr Quote
a) I believe in K5 I can assign button to quick disable/enable AF.
As far as I know. In order to "simulate" quick shift, you need to disengage the mechanical focus drive by switching to manual focus or pressing the lens release button.
12-09-2011, 05:11 PM   #21
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QuoteOriginally posted by Ex Finn. Quote
As far as I know. In order to "simulate" quick shift, you need to disengage the mechanical focus drive by switching to manual focus or pressing the lens release button.
You are right. I misunderstood feature from the manual.
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