Re: D600 vs K-5

2012-12-27 Thread William Robb

On 27/12/2012 10:09 AM, P. J. Alling wrote:

On 12/27/2012 3:37 AM, John Francis wrote:

On Wed, Dec 26, 2012 at 02:33:35PM -0600, William Robb wrote:

On 26/12/2012 2:23 PM, John Francis wrote:

I remember film (and exposure meters) with ratings in both the ASA
and DIN systems.



Yup, Tri-X Pan film (for example). 400/24.

Are you sure? I thought I remembered 100/21. which would mean 400/27.



WikIpedia can be a blessing as well as a curse, it appears that you are
correct. TRI-X would be ISO 27°.


Missed by 3 keys. 27° is, of course, the right answer.

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Re: D600 vs K-5

2012-12-27 Thread P. J. Alling

On 12/27/2012 3:37 AM, John Francis wrote:

On Wed, Dec 26, 2012 at 02:33:35PM -0600, William Robb wrote:

On 26/12/2012 2:23 PM, John Francis wrote:

I remember film (and exposure meters) with ratings in both the ASA and DIN 
systems.



Yup, Tri-X Pan film (for example). 400/24.

Are you sure? I thought I remembered 100/21. which would mean 400/27.


WikIpedia can be a blessing as well as a curse, it appears that you are 
correct. TRI-X would be ISO 27°.


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Re: D600 vs K-5

2012-12-27 Thread John Sessoms

From: John Francis

I remember film ... with ratings in both the ASA and DIN systems.


I don't have to remember it. All I have to do is dig it out of the back 
of my refrigerator.


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Re: D600 vs K-5

2012-12-27 Thread John Francis
On Wed, Dec 26, 2012 at 02:33:35PM -0600, William Robb wrote:
> On 26/12/2012 2:23 PM, John Francis wrote:
> >
> 
> >
> >I remember film (and exposure meters) with ratings in both the ASA and DIN 
> >systems.
> >
> >
> Yup, Tri-X Pan film (for example). 400/24.

Are you sure? I thought I remembered 100/21. which would mean 400/27.


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Re: D600 vs K-5

2012-12-26 Thread Dario Bonazza
Oh, at Photokina, the D600 AF appeared worse than that in the K-5 II (but 
still better than that in my K-5), because the D600 had a small but 
noticeable delay in starting focusing once you pressed the button. After 
that, the D600 focusing was yet snappy and with no further adjustments 
(typical of Pentax AF).
Perhaps those trashing the D600 AF base their opinions on pre-production 
samples of that camera.

Dario

-Messaggio originale- 
From: Dario Bonazza

Sent: Thursday, December 27, 2012 8:17 AM
To: Pentax-Discuss Mail List
Subject: Re: D600 vs K-5

In a couple occasions I had to compare D600 and K-5 (one was outdoor in late
afternoon of a grey day and the other time was an evening indoors in a
restaurant) the D600 autofocusing was noticeably better than the K-5. The
K-5 was hunting and correcting a lot, while the D600 snapped into perfect
focus with no second thought. I also think it depends on the lens in use,
but all in all I would swap AF systems in a split second.
At Photokina, I had the feeling the K-5 II has improved a lot over the K-5,
but again it depends on the lens. The 17-70mm gained a lot of speed and
effectiveness, while the 50-135mm (aka the sloth) did not improve so much,
and so did (not) the 12-24mm.
Dario


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Re: D600 vs K-5

2012-12-26 Thread Dario Bonazza
In a couple occasions I had to compare D600 and K-5 (one was outdoor in late 
afternoon of a grey day and the other time was an evening indoors in a 
restaurant) the D600 autofocusing was noticeably better than the K-5. The 
K-5 was hunting and correcting a lot, while the D600 snapped into perfect 
focus with no second thought. I also think it depends on the lens in use, 
but all in all I would swap AF systems in a split second.
At Photokina, I had the feeling the K-5 II has improved a lot over the K-5, 
but again it depends on the lens. The 17-70mm gained a lot of speed and 
effectiveness, while the 50-135mm (aka the sloth) did not improve so much, 
and so did (not) the 12-24mm.
Dario 



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Re: D600 vs K-5

2012-12-26 Thread Larry Colen

On Dec 26, 2012, at 12:29 PM, William Robb wrote:

> On 26/12/2012 9:50 AM, Michael Adam Maas wrote:
>> 
> 
>> That said, the D600 shares the D7000's AF tech, which is considered to
>> be significantly better than the K-5's poor unit by the accepted
>> wisdom (and probably is, when shooting AF-C in good light)
>> 
> Having used the D7K briefly, I am quite certain that the K5 AF is somewhat 
> slower in good light with AF-S, and there is no contest in AF-C.
> Where the K5 falls down is in low artificial light, especially tungsten 
> illumination. It is entirely possible that they have made some hardware 
> changes since the camera's introduction (I have a very early K5), but in the 
> studio, the AF on my K5 is worse than useless. It randomly front focuses by 
> varying amounts, so there is no possibility of doing an AF bias to bring the 
> focus into reliable adjustment.

I wonder if your K5 is related to my AF540, in that you have consistent strange 
problems that just aren't indicative of my experience.  The vast majority of my 
mis-focus issues with the K5 are simply cases of it focusing on the wrong 
thing. Even in dim tungsten light.


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Re: D600 vs K-5

2012-12-26 Thread P. J. Alling

On 12/26/2012 3:33 PM, William Robb wrote:

On 26/12/2012 2:23 PM, John Francis wrote:






I remember film (and exposure meters) with ratings in both the ASA 
and DIN systems.



Yup, Tri-X Pan film (for example). 400/24. My mentor made a point of 
ensuring I was able to use both the American system and the German 
system.


The specification for ISO is basically ASA/DIN but everyone seems to 
forget the DIN part.


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RE: D600 vs K-5

2012-12-26 Thread SV Hovland
It's fixed on K-5 II. I have no issues at all in tungsten light with this 
camera.

-Original Message-
From: PDML [mailto:pdml-boun...@pdml.net] On Behalf Of William Robb

>I'm waiting for reports on the K5IIs to see if they have fixed this particular 
>AF problem, and of course, to see what they have coming down the pike. If 
>there is no new and >wonderful announcement in the next 6 months or so, and if 
>the K5IIs appears to be panning out, I will probably pick one up sometime next 
>year.

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Re: D600 vs K-5

2012-12-26 Thread William Robb

On 26/12/2012 2:23 PM, John Francis wrote:






I remember film (and exposure meters) with ratings in both the ASA and DIN 
systems.


Yup, Tri-X Pan film (for example). 400/24. My mentor made a point of 
ensuring I was able to use both the American system and the German system.


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Re: D600 vs K-5

2012-12-26 Thread William Robb

On 26/12/2012 9:50 AM, Michael Adam Maas wrote:





That said, the D600 shares the D7000's AF tech, which is considered to
be significantly better than the K-5's poor unit by the accepted
wisdom (and probably is, when shooting AF-C in good light)

Having used the D7K briefly, I am quite certain that the K5 AF is 
somewhat slower in good light with AF-S, and there is no contest in AF-C.
Where the K5 falls down is in low artificial light, especially tungsten 
illumination. It is entirely possible that they have made some hardware 
changes since the camera's introduction (I have a very early K5), but in 
the studio, the AF on my K5 is worse than useless. It randomly front 
focuses by varying amounts, so there is no possibility of doing an AF 
bias to bring the focus into reliable adjustment.
I'm waiting for reports on the K5IIs to see if they have fixed this 
particular AF problem, and of course, to see what they have coming down 
the pike. If there is no new and wonderful announcement in the next 6 
months or so, and if the K5IIs appears to be panning out, I will 
probably pick one up sometime next year.


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Re: D600 vs K-5

2012-12-26 Thread John Francis
On Wed, Dec 26, 2012 at 11:34:17AM -0800, Larry Colen wrote:
> 
> As an aside, one thing that annoys me every time that I actually think about 
> it is my tendency to use "ISO" rather than "sensitivity".  It is odd, 
> however, that the standards organization is mentioned at all on film speed.  
> I suspect that at one time, there were several competing standards used for 
> film speed, and it was the ASA's standard that one, so that was the only one 
> people born after 1960 have ever seen, at least until the standard was 
> adopted by ISO.  
> 
> And a quick check of wikipedia confirms my hypothesis:
> http://en.wikipedia.org/wiki/Film_speed

I remember film (and exposure meters) with ratings in both the ASA and DIN 
systems.


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Re: D600 vs K-5

2012-12-26 Thread Larry Colen

On Dec 26, 2012, at 10:52 AM, Tom C wrote:

>> From: Michael Adam Maas 
>> 
>> That said, the D600 shares the D7000's AF tech, which is considered to
>> be significantly better than the K-5's poor unit by the accepted
>> wisdom (and probably is, when shooting AF-C in good light)
>> 
>> --
>> M. Adam Maas
> 
> dpreview.com writes this:
> 
> Another area in which the D600 lags behind the D800 is its AF
> sensitivity in poor light. The D800 is rated for accurate focus in
> light as low as EV-2, which is approximately equivalent to moonlight.
> In use, we've found this to be true. The D600 is rated down to EV-1,
> and in normal use, with a 50mm F1.4 prime mounted, we've found that
> indeed, the D800 is the better tool in low light. But when shooting
> low-contrast targets at EV levels between 0-1, the difference between
> the two cameras is only noticeable at the point where we could barely
> perceive our subject in their viewfinders. The Canon EOS 6D has an AF
> system rated down to -3EV, and we will perform more in-depth
> comparisons between this and the D600 when the 6D becomes available.
> 
> In good light, the D600's AF system proved very capable in all of the
> environments in which we used it. In the hundreds of frames that we've
> shot with the camera, including images taken at night and in very poor
> interior lighting, only a handful are anything other than totally
> sharp. As usual, if you're working in marginal light the central AF
> point is your best bet, but in normal everyday shooting, the D600's AF
> system is very capable.
> 
> I write:
> 
> Not having a D600 or K-5 I have no idea how they compare in this
> regard. I've generally find all cameras to have a harder time with AF
> in low-light as opposed to normal or bright light, as everyone knows
> (same goes for my eyes). To my recollection there hasn't been any
> mention in this comparison regarding lenses used (prime or zoom,
> aperture, etc.), central AF point vs. other vs. auto, single frame vs.
> continuous shooting, or really whether both photographers were
> simultaneously aiming at the same scene in the viewfinder.

The lenses were the FA 31/1.8 and Nikkor 35/2.0.  ISO 12,800, f/2.0, 1/30 S.  I 
was aiming at the same thing with both cameras.  Focusing with live view was 
also noticeably, though not hugely, better with Live View on the Pentax.  His 
G5, however, was by far the best for focusing in crazy low light.  



> I often
> experience focus issues when I'm straddling the line of closest focus
> distance. All these items could have an impact.
> 
> We tend to expect a lot out of our cameras nowadays, don't we? Twenty
> years ago it was try your best to focus in a dark viewfinder and check
> the distance scale.

A couple days ago, when we had a spot of rain (5.1 inches that day) I was 
photographing the river in my back yard, (much better than my back yard being 
in the river) and briefly noted how casually I use ISOs in the triple digits, 
after noting that to use that shutter speed and aperture, I *only* needed an 
ISO of 1200. I was briefly boggled at just what the modern sensors can do, with 
sensitivities an order of magnitude greater than what I grew up with, much less 
the two orders of magnitude we were using playing in the dark.

As an aside, one thing that annoys me every time that I actually think about it 
is my tendency to use "ISO" rather than "sensitivity".  It is odd, however, 
that the standards organization is mentioned at all on film speed.  I suspect 
that at one time, there were several competing standards used for film speed, 
and it was the ASA's standard that one, so that was the only one people born 
after 1960 have ever seen, at least until the standard was adopted by ISO.  

And a quick check of wikipedia confirms my hypothesis:
http://en.wikipedia.org/wiki/Film_speed


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Re: D600 vs K-5

2012-12-26 Thread Tom C
> From: Michael Adam Maas 
>
> That said, the D600 shares the D7000's AF tech, which is considered to
> be significantly better than the K-5's poor unit by the accepted
> wisdom (and probably is, when shooting AF-C in good light)
>
> --
> M. Adam Maas

dpreview.com writes this:

Another area in which the D600 lags behind the D800 is its AF
sensitivity in poor light. The D800 is rated for accurate focus in
light as low as EV-2, which is approximately equivalent to moonlight.
In use, we've found this to be true. The D600 is rated down to EV-1,
and in normal use, with a 50mm F1.4 prime mounted, we've found that
indeed, the D800 is the better tool in low light. But when shooting
low-contrast targets at EV levels between 0-1, the difference between
the two cameras is only noticeable at the point where we could barely
perceive our subject in their viewfinders. The Canon EOS 6D has an AF
system rated down to -3EV, and we will perform more in-depth
comparisons between this and the D600 when the 6D becomes available.

In good light, the D600's AF system proved very capable in all of the
environments in which we used it. In the hundreds of frames that we've
shot with the camera, including images taken at night and in very poor
interior lighting, only a handful are anything other than totally
sharp. As usual, if you're working in marginal light the central AF
point is your best bet, but in normal everyday shooting, the D600's AF
system is very capable.

I write:

Not having a D600 or K-5 I have no idea how they compare in this
regard. I've generally find all cameras to have a harder time with AF
in low-light as opposed to normal or bright light, as everyone knows
(same goes for my eyes). To my recollection there hasn't been any
mention in this comparison regarding lenses used (prime or zoom,
aperture, etc.), central AF point vs. other vs. auto, single frame vs.
continuous shooting, or really whether both photographers were
simultaneously aiming at the same scene in the viewfinder. I often
experience focus issues when I'm straddling the line of closest focus
distance. All these items could have an impact.

We tend to expect a lot out of our cameras nowadays, don't we? Twenty
years ago it was try your best to focus in a dark viewfinder and check
the distance scale.

Tom C.

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Re: D600 vs K-5

2012-12-26 Thread Walt
I have seen that vendor, and its sub-$700 price tag is a far sweeter 
siren call than the improved auto-focus. Like you, most of my favorite 
glass is manual focus.


I'm definitely leaning more toward the K-5, having grown accustomed to 
the more pro-sumer features on the K20.


(This is where a presence in brick-and-mortar outlets would help in the 
decision-making process, BTW. A lot of what I love about the K20 is 
tactile.)


-- Walt


On 12/26/2012 10:51 AM, P. J. Alling wrote:
I w0uldn't hope to make an accurate prediction, but there seem to 
plenty available as yet and one vendor is already selling it for less 
than $700. (the after Christmas sales aren't even in full swing.) I 
have a target price in mind when it gets within an acceptable range of 
that price I'll be making a decision. The improved autofocus on K-5II 
is a siren call, but then I realize 4 of my 7 most used lenses are 
manual focus...



On 12/26/2012 11:00 AM, Walt wrote:
So, I've scraped up a few pennies so far, and am wondering when to 
expect the best price on a K-5 -- or whether I ought to go with a K-30.


I've seen a couple of great pre-Christmas prices on both and just 
wonder how much longer I should (or can) hold out.


I haven't gone to prison for following any of the advice I've gotten 
here so far, so I figured it's a good place to ask.


-- Walt


On 12/26/2012 2:45 AM, Larry Colen wrote:
Marco came over to whiskymas for a while tonight, and brought his 
D600. I didn't get a lot of time to play with it but we did spend a 
few minutes doing some low light focus tests, and the K-5 definitely 
outperformed the D600. It was dim light, the K-5 was able to lock 
focus, albeit with a bit of hunt and seek, and the D600 simply 
wasn't able to lock focus.


It may be time for Pentaxians to get rid of the chip on our shoulder 
about autofocus. Particularly without the assist light. Considering 
this was the K-5's weak spot and the K5-II is supposed to be much 
better, it would be really interesting to see how the K5-II stacks 
up against the D600 in low light focus.


--
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Re: D600 vs K-5

2012-12-26 Thread P. J. Alling
I w0uldn't hope to make an accurate prediction, but there seem to plenty 
available as yet and one vendor is already selling it for less than 
$700. (the after Christmas sales aren't even in full swing.) I have a 
target price in mind when it gets within an acceptable range of that 
price I'll be making a decision. The improved autofocus on K-5II is a 
siren call, but then I realize 4 of my 7 most used lenses are manual 
focus...



On 12/26/2012 11:00 AM, Walt wrote:
So, I've scraped up a few pennies so far, and am wondering when to 
expect the best price on a K-5 -- or whether I ought to go with a K-30.


I've seen a couple of great pre-Christmas prices on both and just 
wonder how much longer I should (or can) hold out.


I haven't gone to prison for following any of the advice I've gotten 
here so far, so I figured it's a good place to ask.


-- Walt


On 12/26/2012 2:45 AM, Larry Colen wrote:
Marco came over to whiskymas for a while tonight, and brought his 
D600. I didn't get a lot of time to play with it but we did spend a 
few minutes doing some low light focus tests, and the K-5 definitely 
outperformed the D600. It was dim light, the K-5 was able to lock 
focus, albeit with a bit of hunt and seek, and the D600 simply wasn't 
able to lock focus.


It may be time for Pentaxians to get rid of the chip on our shoulder 
about autofocus. Particularly without the assist light. Considering 
this was the K-5's weak spot and the K5-II is supposed to be much 
better, it would be really interesting to see how the K5-II stacks up 
against the D600 in low light focus.


--
Larry Colen l...@red4est.com sent from i4est











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Re: D600 vs K-5

2012-12-26 Thread Bob Sullivan
Don't have a K-30 and have never seen/used one, but I love the K-5 and
the K-5IIs seems just a bit better.
Regards,  Bob S.

On Wed, Dec 26, 2012 at 10:00 AM, Walt  wrote:
> So, I've scraped up a few pennies so far, and am wondering when to expect
> the best price on a K-5 -- or whether I ought to go with a K-30.
>
> I've seen a couple of great pre-Christmas prices on both and just wonder how
> much longer I should (or can) hold out.
>
> I haven't gone to prison for following any of the advice I've gotten here so
> far, so I figured it's a good place to ask.
>
> -- Walt
>
>
>
> On 12/26/2012 2:45 AM, Larry Colen wrote:
>>
>> Marco came over to whiskymas for a while tonight, and brought his D600.  I
>> didn't get a lot of time to play with it but we did spend a few minutes
>> doing some low light focus tests, and the K-5 definitely outperformed the
>> D600.  It was dim light, the K-5 was able to lock focus, albeit with a bit
>> of hunt and seek, and the D600 simply wasn't able to lock focus.
>>
>> It may be time for Pentaxians to get rid of the chip on our shoulder about
>> autofocus.  Particularly without the assist light.  Considering this was the
>> K-5's weak spot and the K5-II is supposed to be much better, it would be
>> really interesting to see how the K5-II stacks up against the D600 in low
>> light focus.
>>
>> --
>> Larry Colen l...@red4est.com sent from i4est
>>
>>
>>
>>
>>
>
>
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Re: D600 vs K-5

2012-12-26 Thread Walt
So, I've scraped up a few pennies so far, and am wondering when to 
expect the best price on a K-5 -- or whether I ought to go with a K-30.


I've seen a couple of great pre-Christmas prices on both and just wonder 
how much longer I should (or can) hold out.


I haven't gone to prison for following any of the advice I've gotten 
here so far, so I figured it's a good place to ask.


-- Walt


On 12/26/2012 2:45 AM, Larry Colen wrote:

Marco came over to whiskymas for a while tonight, and brought his D600.  I 
didn't get a lot of time to play with it but we did spend a few minutes doing 
some low light focus tests, and the K-5 definitely outperformed the D600.  It 
was dim light, the K-5 was able to lock focus, albeit with a bit of hunt and 
seek, and the D600 simply wasn't able to lock focus.

It may be time for Pentaxians to get rid of the chip on our shoulder about 
autofocus.  Particularly without the assist light.  Considering this was the 
K-5's weak spot and the K5-II is supposed to be much better, it would be really 
interesting to see how the K5-II stacks up against the D600 in low light focus.

--
Larry Colen l...@red4est.com sent from i4est








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Re: D600 vs K-5

2012-12-26 Thread Michael Adam Maas
On Wed, Dec 26, 2012 at 8:19 AM, David J Brooks  wrote:
> On Wed, Dec 26, 2012 at 3:45 AM, Larry Colen  wrote:
>> Marco came over to whiskymas for a while tonight, and brought his D600.  I 
>> didn't get a lot of time to play with it but we did spend a few minutes 
>> doing some low light focus tests, and the K-5 definitely outperformed the 
>> D600.  It was dim light, the K-5 was able to lock focus, albeit with a bit 
>> of hunt and seek, and the D600 simply wasn't able to lock focus.
>
> One of the 'Cons' from a few on line reviews was the AF capabilities
> of the D600.

> Documenting Life in Rural Ontario.
> www.caughtinmotion.com
> http://brooksinthecountry.blogspot.com/
> York Region, Ontario, Canada
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That said, the D600 shares the D7000's AF tech, which is considered to
be significantly better than the K-5's poor unit by the accepted
wisdom (and probably is, when shooting AF-C in good light)

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Re: D600 vs K-5

2012-12-26 Thread David J Brooks
On Wed, Dec 26, 2012 at 3:45 AM, Larry Colen  wrote:
> Marco came over to whiskymas for a while tonight, and brought his D600.  I 
> didn't get a lot of time to play with it but we did spend a few minutes doing 
> some low light focus tests, and the K-5 definitely outperformed the D600.  It 
> was dim light, the K-5 was able to lock focus, albeit with a bit of hunt and 
> seek, and the D600 simply wasn't able to lock focus.

One of the 'Cons' from a few on line reviews was the AF capabilities
of the D600.

Dave
>
> It may be time for Pentaxians to get rid of the chip on our shoulder about 
> autofocus.  Particularly without the assist light.  Considering this was the 
> K-5's weak spot and the K5-II is supposed to be much better, it would be 
> really interesting to see how the K5-II stacks up against the D600 in low 
> light focus.
>
> --
> Larry Colen l...@red4est.com sent from i4est
>
>
>
>
>
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Re: D600 vs K-5

2012-12-26 Thread AlunFoto - Jostein Øksne
I SO agree with you about that chip onth shoulder, Larry. I had the same 
experience in 2009 with the K-7 vs. various Canon cameras, including the then 
very new 7D, and 1Ds Mk III. 

On that infamous trip to Antarctica we had a few calm evenings on the rear deck 
of the boat, photographing seabirds in flight. The K-7 would lock focus for a 
long time after the last cursing Canonite had retired to the lounge, 
complaining about their cameras' limitations in low light.

This spring I had an interesting experience photographing base jumpers at 
Kjerag with the 645D, in company of a crowd of Canon and Nikon users. The 
shaft-driven AF of 645D was every bit as able to single out the jumpers from 
the background, it seemed. The comparison is not really head to head, though, 
because the low frame rate of the 645D demands a different shooting style. :-)

But in sum, I think Pentaxians have far less to be ashamed of than we usually 
express in forums.

Jostein

Larry Colen  wrote:

>Marco came over to whiskymas for a while tonight, and brought his D600.
>I didn't get a lot of time to play with it but we did spend a few
>minutes doing some low light focus tests, and the K-5 definitely
>outperformed the D600.  It was dim light, the K-5 was able to lock
>focus, albeit with a bit of hunt and seek, and the D600 simply wasn't
>able to lock focus.
>
>It may be time for Pentaxians to get rid of the chip on our shoulder
>about autofocus.  Particularly without the assist light.  Considering
>this was the K-5's weak spot and the K5-II is supposed to be much
>better, it would be really interesting to see how the K5-II stacks up
>against the D600 in low light focus.
>
>--
>Larry Colen l...@red4est.com sent from i4est

-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.

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