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02-13-2011, 01:41 PM   #91
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QuoteOriginally posted by jrforman Quote
I am finding that I don't have a problem in low light up to about EV 2.5 with almost all of my lenses EXCEPT my DA 40. That is my problem child. I don't know why. So without trying to open a whole big thing here about FF, I would just like to know if your DA 40 behaves differently from your other lenses? And if so, do you know why?
My da*16-50 FF as well but not sure if it was as bad as the 40mm. I didn't try any other lens as the 40mm is my favourite for indoor shooting. In hindsight I should have tried my fa35mm for comparison but my two week trial period was ending combined with Pentax Canada's lack of concern and support forced me to return the camera. I too would like an answer to you question,sorry I couldn't be of more help.

02-13-2011, 03:06 PM   #92
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QuoteOriginally posted by Michaelina2 Quote
Why are you so certain that the K-5 was designed to equal (or better) the best from C-N?

BTW: The images in question appear to meet (or exceed in the LV examples) the AF performance spec on page 75 of the K-5 Manual (English). So, what's the big deal?

Cheers... M
I'll say it again. Read it carefully.

Simple. The K5 is the model that Pentax has put out as the best it has to offer.

No one is questioning the AF in LV here.

02-13-2011, 03:09 PM   #93
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QuoteOriginally posted by Rupert Quote
Maybe it is unfair....but if my Mom spent $1500 on a camera that wouldn't do what her $39 Casio does, you would find it most difficult to explain the unfairness to her. I wouldn't even attempt it, because I know her response..."It works or it doesn't, it's that simple"...and she would be right, Mom's are always right.
Regards
I don't disagree with you at all with respect to the wisdom of moms! It's just a pet peeve of mine when people start drawing false comparisons between what are really two very different types of machine.

What REALLY drove me up a wall is when I would show friends my old Olympus DSLR with only a 10MP sensor(THE HORROR!), and they would whip out their crappy point and shoot and say things like "pffft, my camera's got 15MP! It obviously takes better pictures."
02-13-2011, 04:50 PM   #94
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QuoteOriginally posted by dcshooter Quote
I don't disagree with you at all with respect to the wisdom of moms! It's just a pet peeve of mine when people start drawing false comparisons between what are really two very different types of machine.

What REALLY drove me up a wall is when I would show friends my old Olympus DSLR with only a 10MP sensor(THE HORROR!), and they would whip out their crappy point and shoot and say things like "pffft, my camera's got 15MP! It obviously takes better pictures."

LOL! Yep, I've heard that too! Along with "that camera sure takes great photos", to which I often reply, "Yeah, I sent it out on its own last week and look what it came back with!".
Regards!

02-13-2011, 07:33 PM   #95
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QuoteOriginally posted by Rupert Quote
Maybe it is unfair....but if my Mom spent $1500 on a camera that wouldn't do what her $39 Casio does, you would find it most difficult to explain the unfairness to her. I wouldn't even attempt it, because I know her response..."It works or it doesn't, it's that simple"...and she would be right, Mom's are always right.
Regards
Of course they are not.


but I see what you are saying
02-13-2011, 09:33 PM   #96
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QuoteOriginally posted by Smeggypants Quote
Of course they are not.


but I see what you are saying
Well, you can be the one to tell her! Then hope she doesn't ever talk to your Mom or you will get to eat some soap!

Best Regards!
02-13-2011, 10:10 PM   #97
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QuoteOriginally posted by Christine Tham Quote
The understanding that I have (based on discussion in that other long thread) is that the AF has tendency for a very *slight* FF in low light.

So shooting at f4 masks out any inaccuracy in the AF, not that f4 by itself improves the accuracy of the AF. Of course, lenses are generally sharper when stopped, so that is also a factor.

Hope I have made that clear.
I didn't know about this and I am glad I learned about it. It makes sense. Assuming your focus point starts in front of your subject, at F1.8 or F2.8 you can imagine a thin depth of field wall moving toward your target as your camera is focusing. It stops at the first sign of an object to focus on.

Have you tried keeping your camera on AF.S (I have a K-5) and then manually focus your lens just before you take the shot? I don't know if this will work or not.
02-14-2011, 09:15 AM   #98
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QuoteOriginally posted by Rupert Quote
Well, you can be the one to tell her! Then hope she doesn't ever talk to your Mom or you will get to eat some soap!

Best Regards!
hehe

02-14-2011, 09:25 AM   #99
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QuoteOriginally posted by Smeggypants Quote
hehe
Your Mama read your post, didn't she! You had to know better!
Regards!
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