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04-10-2010, 04:11 PM   #16
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QuoteOriginally posted by Oggy Quote
The 16-50 is a mixed bag. It is capable of remarkable resolution, contrast and colour in the right situation, but it's linearity at 16mm wide open can go horribly wrong.



On the other hand, if you are looking at something other than architecture at 16mm, it's great.

Sorry, that is when you break out the 12-24..

Cheers, Mike.

04-10-2010, 04:17 PM   #17
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Yikes! That barrel distortion is horrible. You would think if you can get people to spend that much on a lens like that, that Pentax would spend a little more time with it (or is it just a rebadged Tokina like the 50-135mm?) I would think it's at least possible, considering how low distortion other wide angle lenes have.
04-14-2010, 08:11 AM   #18
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QuoteOriginally posted by tuco Quote
I have the DA* 16-50mm f2.8. It's a nice lens. No complaints so far...
Dang it, I jinks my own words. The lens stopped auto focusing. I believe its the SDM failure problem. Now I'm not a happy camper.
04-14-2010, 08:25 AM   #19
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QuoteOriginally posted by tuco Quote
Dang it, I jinks my own words. The lens stopped auto focusing. I believe its the SDM failure problem. Now I'm not a happy camper.
sorry to hear that bad news.

Still going to just re it for the trip. I don't "need" it necessarily, plus the women might kill me if i did.

04-14-2010, 08:35 AM   #20
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QuoteOriginally posted by jct us101 Quote
Yikes! That barrel distortion is horrible. You would think if you can get people to spend that much on a lens like that, that Pentax would spend a little more time with it (or is it just a rebadged Tokina like the 50-135mm?) I would think it's at least possible, considering how low distortion other wide angle lenes have.
This is where using the kx and K7 make a big difference, because a lot of this is corrected with lens correction features. All lenses have some distortion when they go really wide, it just happens that the 16-50 is worse than others. But, if you don't want to use it, at 16mm, by 18mm the distortion is pretty well controlled.
04-14-2010, 08:36 AM   #21
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Well, fortunately, I called Pentax and I'm covered for repair or replacement up to 1 year. I purchased the lens about 9 months ago. Now if I can only find the receipt...
04-14-2010, 10:51 AM   #22
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If you are using it for business purposes can you write off the rental and/or charge it to the Firm?? Makes this chocie a no-brainer!
04-14-2010, 11:30 AM   #23
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I have this lens, the only problem I have with this lens is that you can't use my K10D's built in flash except from about 40mm to 50mm. The end of the lens is so large it cast's a shadow. Other than it has been one great lens.

04-15-2010, 02:32 PM   #24
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QuoteOriginally posted by clmonk Quote
If you are using it for business purposes can you write off the rental and/or charge it to the Firm?? Makes this chocie a no-brainer!
Thought of that, but it's just not quite justified. :ugh:

The per diem however should be enough over the 5-6 days I'm there to easily cover it, without it having to come out my pocket!
04-16-2010, 04:31 PM   #25
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Not that I can help with your decision but I can second the endorsement of CameraLensRentals.com. I've used them on three occassions (just last week in fact) and their service is outstanding. I'm a huge fan of the try before you buy thing. I also do not think it's a waste of money as you still have the shots when you return the lens. That has value.

Oh and I own the DA* 16-50 and love it.
04-16-2010, 04:50 PM   #26
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Good Lord! I cannot believe the lens is supposed to have that much distortion at 16mm. Certainly I don't remember reading that in the reviews or other user reports. Are you sure it isn't just a mis-aligned copy?

Or have others seen this as well?

Or is some of it down to perspective distortion?
04-16-2010, 05:14 PM   #27
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QuoteOriginally posted by rparmar Quote
Good Lord! I cannot believe the lens is supposed to have that much distortion at 16mm. Certainly I don't remember reading that in the reviews or other user reports. Are you sure it isn't just a mis-aligned copy?

Or have others seen this as well?

Or is some of it down to perspective distortion?
To me it looks like some of that is perspective. Look at the edge of the sliding door on the left (white band). If it was straight on wouldn't it be equal distance to the edge of the frame at both the top and the bottom? It's further away at the top which makes me believe the camera was pointed a bit upward.
04-29-2010, 11:48 AM   #28
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I just shot my 16-50mm on 16mm at f16 for the first time. The CA was really bad showing up on some chrome trim on the subject. You may want to try that out.

Last edited by tuco; 04-29-2010 at 12:00 PM.
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