Hi!
Reading the discussion between Ralf and others regarding the type of
night shooting that Ralf excels in, and idea occurred to me.
Please have a look:
http://pentax-ways.blogspot.com/2010/09/on-dark-frame-subtraction.html
What would you say?
Thanks.
Boris
--
PDML Pentax-Discuss Mail
On 13 September 2010 04:13, Boris Liberman wrote:
> Hi!
>
> Reading the discussion between Ralf and others regarding the type of night
> shooting that Ralf excels in, and idea occurred to me.
>
> Please have a look:
>
> http://pentax-ways.blogspot.com/2010/09/on-dark-frame-subtraction.html
>
> Wha
On 9/13/2010 1:15 PM, Miserere wrote:
This is what astronomers do on ground and space-based telescopes. The
issue with cameras is that the dark frame needs to be the same
exposure length as the image you take; for your system to work one
would take a 1/2 hour exposure (say) and the camera would f
Miserere wrote:
>Or...Pentax could just make DFS optional so those who want to turn it
>off and do DFS with software of the computer can do so, and those who
>don't know what the hell DFS is (or don't care) will leave the camera
>on the default "DFS: ON".
>
>For what it's worth, even a camera like
On Mon, Sep 13, 2010 at 8:07 AM, Boris Liberman wrote:
> Right. The particular DFS frame may depend on the outside temperature. So
> yes, for perfect DFS, the procedure will have to be done every night. But
> only once for the night.
It actually depends more on the sensor temperature than the ou
If nothing else it appears you can turn off the NR.
On Mon, Sep 13, 2010 at 8:36 AM, Mark Roberts wrote:
> Miserere wrote:
>
>>Or...Pentax could just make DFS optional so those who want to turn it
>>off and do DFS with software of the computer can do so, and those who
>>don't know what the hell D
But can you do it for long exposures? That's the issue here.
--M.
On 13/09/2010, Steven Desjardins wrote:
> If nothing else it appears you can turn off the NR.
>
> On Mon, Sep 13, 2010 at 8:36 AM, Mark Roberts wrote:
>> Miserere wrote:
>>
>>>Or...Pentax could just make DFS optional so those who
Miserere wrote:
>On 13/09/2010, Steven Desjardins wrote:
>>
>> On Mon, Sep 13, 2010 at 8:36 AM, Mark Roberts wrote:
>>> Miserere wrote:
>>>
Or...Pentax could just make DFS optional so those who want to turn it
off and do DFS with software of the computer can do so, and those who
don'
Boris Liberman wrote:
Hi!
Reading the discussion between Ralf and others regarding the type of
night shooting that Ralf excels in, and idea occurred to me.
Please have a look:
http://pentax-ways.blogspot.com/2010/09/on-dark-frame-subtraction.html
What would you say?
I would say that Pent
I'd keep using film for ultra-long night exposures. Although
reciprocity effects tend to do the same thing ...
On Mon, Sep 13, 2010 at 12:47 PM, mike wilson wrote:
> Boris Liberman wrote:
>
>> Hi!
>>
>> Reading the discussion between Ralf and others regarding the type of night
>> shooting that Ra
On 9/13/2010 3:47 PM, mike wilson wrote:
Boris Liberman wrote:
Hi!
Reading the discussion between Ralf and others regarding the type of
night shooting that Ralf excels in, and idea occurred to me.
Please have a look:
http://pentax-ways.blogspot.com/2010/09/on-dark-frame-subtraction.html
Miserere wrote:
> ...so there's no reason for Pentax not to implement it.
No more, that is. With the K20D and the K-7 they obviously had very good
reasons not to let us see just how inferior their sorry excuse of a
Samsung sensor really is.
It could be switched off in all Pentax DSLRs with Sony
P. J. Alling wrote:
On 9/13/2010 3:47 PM, mike wilson wrote:
Boris Liberman wrote:
Hi!
Reading the discussion between Ralf and others regarding the type of
night shooting that Ralf excels in, and idea occurred to me.
Please have a look:
http://pentax-ways.blogspot.com/2010/09/on-dark-f
Ralf,
You ought to sell the K-7 now and get your money out of it.
It sounds useless to you.
Regards, Bob S.
2010/9/13 Ralf R. Radermacher :
> Miserere wrote:
>
>> ...so there's no reason for Pentax not to implement it.
>
> No more, that is. With the K20D and the K-7 they obviously had very good
On 9/13/2010 9:47 PM, mike wilson wrote:
I would say that Pentax wants you to buy a second body
I am not sure about Ralf, but I've enough bodies. /("Pentax"
deliberately omitted from the previous sentence :-) )/
They are:
* film: MZ-6
* digital: K10D and K-7
* compact: Optio W30 (as a c
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