Re: FW: I miss my K5!!!!

2011-03-02 Thread Boris Liberman

On 3/2/2011 1:08 AM, Jens wrote:

But what about the stains
I hope my K-5 deosn't show this disease...
Is it over - or still a major problem?
How do I discover if there's a problem - by shooting a bright frame into the 
light/sky, or...?

Regards
Jens


Jens, as a recent K-5 acquirer I can tell you this:

1. You can open a file from your K-5 in PhotoMe. If the camera 
production date is after late Dec 2010 - you are most likely fine. They 
fixed the problem thence.


2. You can mount your longer lens (I did it with Sigma 24-60 at 60 mm, 
but longer may be better) and take a series of shots at infinity with +1 
Ev exposure comp of a blue sky or something that is uniformly well lit. 
Then you can examine the files.


Also you can look here:
http://enticingthelight.com/2010/12/01/review-pentax-k-5/#stains
or on Pentax Forums.

Boris


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Re: FW: I miss my K5!!!!

2011-03-02 Thread David J Brooks
On Tue, Mar 1, 2011 at 6:51 PM, William Robb
anotherdrunken...@gmail.com wrote:


 Here's what Pentax had to say about it:
 http://support.pentaximaging.com/node/1214

 BTW, if you believe the ninnies at the Pentax Forum, you may be led to
 believe that the K5 is virtually an unworking camera because it has so many
 issues.

Your being nice today.:-)

Dave
 People like to find something to bitch about.
 Enjoy your camera.
 --

 William Robb

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Re: FW: I miss my K5!!!!

2011-03-01 Thread David J Brooks
On Mon, Feb 28, 2011 at 10:31 PM,  drd1...@gmail.com wrote:
 Maybe two backups.

So that would be a K10 then??

Dave
 --Original Message--
 From: Doug Franklin
 Sender: pdml-boun...@pdml.net
 To: Pentax-Discuss Mail List
 ReplyTo: Pentax-Discuss Mail List
 Subject: Re: FW: I miss my K5
 Sent: Feb 28, 2011 9:17 PM

 On 2011-02-28 21:01, Elizabeth Masoner wrote:

 Sigh ­ bottom line is  I WANT MY CAMERA BACK NOW  I'm having
 photography withdrawal

 You need a backup K5!

 --
 Thanks,
 DougF (KG4LMZ)


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Re: FW: I miss my K5!!!!

2011-03-01 Thread Jens
Hi List Members
I just recently heard of the problem with the K-5 sensor stains.
What a shame! Pentax launches a truely great new camera - with an exceptionally 
great sensor, that offers very low noice at relativly high ISO settings. 
And then the big draw back appeared - the sensors have stains! Arrghhh!! 

I just ordered one from Germany (FotoKoch). It will probably arrive on Saturday 
or Monday.

I really want this camera, 'cause I just hate using a flash outside the studio.
And the K-7 had just too much noice (sold mine already).

But what about the stains
I hope my K-5 deosn't show this disease...
Is it over - or still a major problem?
How do I discover if there's a problem - by shooting a bright frame into the 
light/sky, or...?

Regards 
Jens

-- 
Treat others as you would like to be treated yourself.

On Mar 1, 2011 03:01 Elizabeth Masoner lizmaso...@bellsouth.net
wrote:
 uss Mail List pdml@pdml.net
 Subject:  I miss my K5
 
 Welp, apparently I got one of the sensor stain models.  It is at
 CrisCam
 now, waiting on determination of repair or replace.  I'm in the pro
 program so it should be figured out by the end of the week (then it's
 just
 a matter of getting the new body).  Now I'm paranoid they'll lose my
 What
 the Duck camera strap I left on the K5 thinking it would help identify
 it.
 
 Sigh ­ bottom line is  I WANT MY CAMERA BACK NOW  I'm having
 photography withdrawal
 
 
 *whimper*
 
 
 
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Re: FW: I miss my K5!!!!

2011-03-01 Thread David J Brooks
I think it was earlier models , not sure if the newer ones have the
same problem. Its what happens when their QC, us, takes to long to
find these things out.

Dave

On Tue, Mar 1, 2011 at 6:08 PM, Jens p...@planfoto.dk wrote:
 Hi List Members
 I just recently heard of the problem with the K-5 sensor stains.
 What a shame! Pentax launches a truely great new camera - with an 
 exceptionally great sensor, that offers very low noice at relativly high ISO 
 settings.
 And then the big draw back appeared - the sensors have stains! Arrghhh!!

 I just ordered one from Germany (FotoKoch). It will probably arrive on 
 Saturday or Monday.

 I really want this camera, 'cause I just hate using a flash outside the 
 studio.
 And the K-7 had just too much noice (sold mine already).

 But what about the stains
 I hope my K-5 deosn't show this disease...
 Is it over - or still a major problem?
 How do I discover if there's a problem - by shooting a bright frame into the 
 light/sky, or...?

 Regards
 Jens

 --
 Treat others as you would like to be treated yourself.

 On Mar 1, 2011 03:01 Elizabeth Masoner lizmaso...@bellsouth.net
 wrote:
 uss Mail List pdml@pdml.net
 Subject:  I miss my K5

 Welp, apparently I got one of the sensor stain models.  It is at
 CrisCam
 now, waiting on determination of repair or replace.  I'm in the pro
 program so it should be figured out by the end of the week (then it's
 just
 a matter of getting the new body).  Now I'm paranoid they'll lose my
 What
 the Duck camera strap I left on the K5 thinking it would help identify
 it.

 Sigh ­ bottom line is  I WANT MY CAMERA BACK NOW  I'm having
 photography withdrawal


 *whimper*



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http://brooksinthecountry.blogspot.com/
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Re: FW: I miss my K5!!!!

2011-03-01 Thread William Robb

On 01/03/2011 5:08 PM, Jens wrote:

Hi List Members
I just recently heard of the problem with the K-5 sensor stains.
What a shame! Pentax launches a truely great new camera - with an exceptionally 
great sensor, that offers very low noice at relativly high ISO settings.
And then the big draw back appeared - the sensors have stains! Arrghhh!!

I just ordered one from Germany (FotoKoch). It will probably arrive on Saturday 
or Monday.

I really want this camera, 'cause I just hate using a flash outside the studio.
And the K-7 had just too much noice (sold mine already).

But what about the stains
I hope my K-5 deosn't show this disease...
Is it over - or still a major problem?
How do I discover if there's a problem - by shooting a bright frame into the 
light/sky, or...?

Regards
Jens

If you believe the more excitable member at the Pentax Forum, you would 
think that half the cameras made were sensor stained, and that Pentax 
deliberately and maliciously sent them out that way.
If you believe Pentax (I tend to), then the problem affected a somewhat 
smaller %, certainly less than 5% of the very first run of cameras.

By now it should be over either way.
Check the EXIF for the manufacturing date. Any cameras produced after (I 
believe) mid December should be unaffected, and even camera made prior 
are unlikely to be affected.


The surest way to check, from what I've read is to run the camera in 
LiveView for half an hour or so to well and truely heat up the sensor, 
then give it an equal amount of time to cool down.
Point the camera at an evenly lit surface (or the sky). If the surface 
is very near, focus at infinity, if using the sky, focus at closest 
distance to ensure an out of focus image.
Set the aperture to minimum and take a picture, making sure that there 
is enough exposure to make a white image.
If you have sensor stains, you will see (at 100%) what appears to be 
black donuts with a black spot in the center.
Note, the stains will generally not be visible until you stop down 
smaller than f/11.

Here's what Pentax had to say about it:
http://support.pentaximaging.com/node/1214

BTW, if you believe the ninnies at the Pentax Forum, you may be led to 
believe that the K5 is virtually an unworking camera because it has so 
many issues.

People like to find something to bitch about.
Enjoy your camera.
--

William Robb

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RE: FW: I miss my K5!!!!

2011-03-01 Thread Krisjanis Linkevics
 And then the big draw back appeared - the sensors have stains! Arrghhh!!
 How do I discover if there's a problem - by shooting a bright frame into the 
 light/sky, or...?
 
 Regards
 Jens

Hmm, I have the stains and I am seriously considering NOT taking the camera to 
be repaired/exchanged.
I can see them with the longer lenses closed down to f/11 or more when focused 
to infinity and pointed at a fairly close uniform thing like a wall. They 
cannot be seen even with a 200mm lens at f/4 and very faintly at f/5.6 - would 
be a problem only if I shot .. you guessed .. that same wall. As I am generally 
not into shooting walls I don't think this will affect me much.

Let's take an 18mm lens at f/8 .. I KNOW the stains are there but I also know 
that noone will be able to see and identify them even on a uniform background. 
Here is an unedited 10MB (beware) file http://flow.ri-ki.lv/snaps/IMGR0469.JPG

Here is a small version for those not really interested in the stains: 
http://flow.ri-ki.lv/snaps/IMGR0469A.JPG

Knowing where those stains are located I can find one (hint they are on the sky 
- the nice uniform real-life background) and even then only at great 
magnifications and as a faint shadow.

YMMV, I tested by using a 200mm lens at f/22, setting exposure correction to 
+1, ISO80, uniform 18% gray wall.. sky, ceiling, anything works and your 
exposure doesn't have to be steady, can even take a really long time - those 
stains are not going anywhere. If you have them you will be able to see them 
already in camera at higher magnifications.

kris
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FW: I miss my K5!!!!

2011-02-28 Thread Elizabeth Masoner
uss Mail List pdml@pdml.net
Subject:  I miss my K5


Welp, apparently I got one of the sensor stain models.  It is at CrisCam
now, waiting on determination of repair or replace.  I'm in the pro
program so it should be figured out by the end of the week (then it's just
a matter of getting the new body).  Now I'm paranoid they'll lose my What
the Duck camera strap I left on the K5 thinking it would help identify it.

Sigh ­ bottom line is  I WANT MY CAMERA BACK NOW  I'm having
photography withdrawal


*whimper*



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Re: FW: I miss my K5!!!!

2011-02-28 Thread Doug Franklin

On 2011-02-28 21:01, Elizabeth Masoner wrote:


Sigh ­ bottom line is  I WANT MY CAMERA BACK NOW  I'm having
photography withdrawal


You need a backup K5!

--
Thanks,
DougF (KG4LMZ)


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Re: FW: I miss my K5!!!!

2011-02-28 Thread drd1135
Maybe two backups. I'll keep one safe for you in case your place gets broken 
into. 
--Original Message--
From: Doug Franklin
Sender: pdml-boun...@pdml.net
To: Pentax-Discuss Mail List
ReplyTo: Pentax-Discuss Mail List
Subject: Re: FW: I miss my K5
Sent: Feb 28, 2011 9:17 PM

On 2011-02-28 21:01, Elizabeth Masoner wrote:

 Sigh ­ bottom line is  I WANT MY CAMERA BACK NOW  I'm having
 photography withdrawal

You need a backup K5!

-- 
Thanks,
DougF (KG4LMZ)


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