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04-16-2010, 12:09 PM   #1
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need some help choosing the right DA*

I want to buy a set of lenses for my K-7 body (not al at the same time) of great quality To cover most situations like Indoor, Portrait, outdoor - party/children and some times nature. ( currently have the Kit Lenses (WR))

What would be the best combination and Why
a) Pentax SMC DA 16-50mm f2.8 ED AL (IF) SDM & Pentax SMC DA 50-135mm f2.8 ED (IF) SDM

b) Pentax SMC DA 16-50mm f2.8 ED AL (IF) SDM & Pentax SMC DA 60-250mm f/4.0 ED IF SDM

please give me some advise & thoughts - what to take in to consideration

04-16-2010, 12:16 PM   #2
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I know someone that has the 50-135mm lens, and it seems like enough for an all around lens for them, but I'm not exactly sure what you mean by "most situations". If you want to be safe, and if you can afford it, and want a lens as large as the 60-250mm, then I would just say get that one, but the 50-135mm should be enough for most situations, except for really long telephoto situations (which I can't even really think of for what you said, but you might be able to).
04-16-2010, 12:26 PM   #3
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For general photography, I would pick this combo first:

Pentax SMC DA 16-50mm f2.8 ED AL (IF) SDM & Pentax SMC DA 50-135mm f2.8 ED (IF) SDM

I have all three DA* zoom lenses. The 60-250 is used the least. It is big, heavy and "intimidating."

But if you shoot sports, the range of the 60-250 is more useful.
04-16-2010, 01:46 PM   #4
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You can't do much better than the 16-50 and 50-135. For just about everything other than sport, wildlife and macro photography, the two lenses should do very well for you.

04-16-2010, 02:17 PM   #5
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It all comes down to which you think you will encounter more; low-light situations or far away subjects. Both long zoom lenses are of superb quality. The 60-250 is significantly larger. It doesn't seem that much bigger on paper, but on the camera there's a big difference. After using it for a while, my 50-135 felt tiny and weightless, which was great. I would say that the 50-135 ultimately offers more versatility, especially for the things you listed.
04-16-2010, 04:18 PM   #6
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IO'd say if you don't already know which is more important to your particular use: the speed of the 50-135 or the range of the 60-250 - then you shouldn't buy either lens yet. Get a cheaper telephoto like the 55-300 or even 50-200 for now. that might turn out to be all you ever need. But if not, you'll know soon enough what focal lengths and maximum aperture you really need.
04-16-2010, 05:07 PM   #7
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if you shoot low light get the 50 135 , if not, and you want longer length, get the 250
04-16-2010, 05:27 PM   #8
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All are great lenses and they also all have different purposes as well. The 16-50mm is a great lens if you intend to shoot landscape and maybe some portraits as well. With a wide open f stop of f/2.8 it can make some great looking photos and it makes some very nice bokeh as well. It is also very sharp wide open with some slight distortion at the 16mm end that is only noticeable when shooting straight edges like on buildings.

I had the pleasure of using the 50-135mm for a short while and I can tell you that this lens is absolutely stunning. With the lens wide open the subjects are still very sharp with a beautiful blurry background of very nice bokeh. The lens is a little bit on the heavy side, but the weight is well worth it when you see the kind of images you get from it. Also, this lens can be used for landscape as well as it is still fairly wide at 50mm and it produces great natural looking colors that are bright and vibrant. I personally recommend this lens as I think it is one of Pentax’s best.

The 60-250mm is the one of the newest in the DA* lineup, however, I have heard great reviews from this lens as well. With a constant aperture of f/4 it is not the fastest tele-zoom that is on the market. However, from the photos that I have seen it is a true performer and you will not be disappointed with your purchase. Now this lens is better used if you know that you are in need of a good size zoom. It is quite large as it does come with a tripod mount on the lens which is a testament on how big this lens is. If you know that you are going to need all the reach and maybe more I would consider picking one of these up as well as a tele-converter so you can get even more reach out of this great lens.

I hope that my review will help you with your decision. Whatever you decide to pick up you will not be disappointed in what you buy. The DA* line is the best Pentax has to offer so you should definitely enjoy these lenses.

04-16-2010, 07:21 PM   #9
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QuoteOriginally posted by phzy2003 Quote
if you shoot low light get the 50 135 , if not, and you want longer length, get the 250
This!

I had the 50-135mm and had to sell it due to finances, unfortunately. Now I chose the 60-250mm when I could buy a new lens, cause I wanted the range. It's slower, but it's enough for me.

Don't get me wrong, the 50-135mm is a fantastic lens. If you don't need the range of the 60-250mm, get the 50-135mm. You won't be disappointed. It's simply fantastic, but so is the 60-250mm, just one stop slower, but has more range.

They're both great, get the one that fits your needs best.
04-16-2010, 09:05 PM   #10
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An alternative solution

In this thread
https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/92900-f-1-7x-a...-50-135-a.html
I show examples of the 50-135 with the Pentax F 1.7X AF adaptor. The adaptor gives me an 85-230mm lens with partial AF. The adaptor does not have enough throw to do a full focus, but by focusing near to the distance, the adaptor will fine tune the focus. The quality of the images, I find, is very, very good. The 60-250 is a great lens, but this way I have almost the same range and also the 50-135/2.8 for indoor sports. Check out my gallery for a few hockey and indoor soccer shots with the 50-135.
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