Re: Multiple exposures with * ist D

2004-11-15 Thread Bruce Dayton
The *istD way makes more sense to me - leaves you in control of amount
of exposure for each shot.

Bruce


Monday, November 15, 2004, 10:44:03 AM, you wrote:

J> I've only tried this once, and IIRC, it doesn't work exactly the same
J> way as it did on Z-1.
J> The Z-1 would subtract some time from each exposure to make the final
J> result correct.
J> I think the *istD doesn't do that, but rather take all exposures
J> straight according to the meter.
J> Jostein
J> - Original Message - 
J> From: "Kenneth Waller" <[EMAIL PROTECTED]>
J> To: <[EMAIL PROTECTED]>
J> Sent: Sunday, November 14, 2004 11:20 PM
J> Subject: Multiple exposures with * ist D


>> Any listers have experience using this function?
>> I'd like to hear of your experience/comments on using this function.
J> Was
>> exposure acceptable etc?
>>
>> Kenneth Waller
>>






Re: Multiple exposures with * ist D

2004-11-15 Thread Jostein
I've only tried this once, and IIRC, it doesn't work exactly the same
way as it did on Z-1.
The Z-1 would subtract some time from each exposure to make the final
result correct.
I think the *istD doesn't do that, but rather take all exposures
straight according to the meter.
Jostein
- Original Message - 
From: "Kenneth Waller" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, November 14, 2004 11:20 PM
Subject: Multiple exposures with * ist D


> Any listers have experience using this function?
> I'd like to hear of your experience/comments on using this function.
Was
> exposure acceptable etc?
>
> Kenneth Waller
>



Re: Multiple exposures with * ist D

2004-11-14 Thread William Robb
- Original Message - 
From: "Kenneth Waller"
Subject: Multiple exposures with * ist D


Any listers have experience using this function?
I'd like to hear of your experience/comments on using this 
function. Was
exposure acceptable etc?
I tried it for fun, just to see if it worked.
It works.
Exposures were fine, the camera seems to compensate quite nicely.
William Robb 




Re: Multiple exposures with the *istD

2004-05-25 Thread Sylwester Pietrzyk
on 25.05.04 15:27, Rob Studdert at [EMAIL PROTECTED] wrote:

> Thanks for that info, I had no idea, I had read the manual but I missed it
> obviously.
Well, you didn't. It is not mentioned in manual. Pentax is well known for
hiding some features and not mentioning about it in manuals... I haven seen
no mention about flash exposure compensation (for TTL flashes) in hyper
manual mode or possibility to set manual white balance with flash (great for
spot-on exposures with strong artificial ligths)...

> However of more interest to me would be a bracketing option that
> maintained the exposure but changed the aperture and shutter values, like an
> auto HyM function. Of course all this can be achieved manually however it
> would 
> be nice to be able to not have to touch the camera to do so, so as to
> eliminate 
> inadvertent repositioning or vibrations.
Yeah, it would be nice, but settable only via main menu - so they could do
it just via firmware upgrade :-)

-- 
Best Regards
Sylwek




Re: Multiple exposures with the *istD

2004-05-25 Thread Rob Studdert
On 25 May 2004 at 13:48, Sylwester Pietrzyk wrote:

> Rob, actually you have aperture bracketing in *istD. Just switch it to Tv or HyM
> mode (green button must be set to shift Tv value only in second case) and
> bracketing will change only aperture value in 0.3 or 0.5 steps depending on your
> CFs setup :-)

Thanks for that info, I had no idea, I had read the manual but I missed it 
obviously. However of more interest to me would be a bracketing option that 
maintained the exposure but changed the aperture and shutter values, like an 
auto HyM function. Of course all this can be achieved manually however it would 
be nice to be able to not have to touch the camera to do so, so as to eliminate 
inadvertent repositioning or vibrations.

Cheers,


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998



Re: Multiple exposures with the *istD

2004-05-25 Thread Sylwester Pietrzyk
on 25.05.04 0:40, Rob Studdert at [EMAIL PROTECTED] wrote:

> The sorts of suggestions you made are just the type of things that I'd shoot
> multiple images for and then post process in PS. I'm still not sure if I can
> ever find a use for it. I do wish that they'd concentrated their efforts on
> important things like providing wider stop range for auto bracketing and maybe
> focus and aperture bracketing. These sorts of "advancements" would have been
> far more useful to me as they can't be duplicated post capture.
Rob, actually you have aperture bracketing in *istD. Just switch it to Tv or
HyM mode (green button must be set to shift Tv value only in second case)
and bracketing will change only aperture value in 0.3 or 0.5 steps depending
on your CFs setup :-)

-- 
Best Regards
Sylwek




Re: Multiple exposures with the *istD

2004-05-24 Thread Rob Studdert
On 24 May 2004 at 19:17, Jostein wrote:

> In reply to Rob:
> 
> I'd use multiexposure for astro and other low light conditions where slow
> movement might cause a blur. Eg. forest plants that would move even in
> slight breeze. And the occational time-lapse...

The sorts of suggestions you made are just the type of things that I'd shoot 
multiple images for and then post process in PS. I'm still not sure if I can 
ever find a use for it. I do wish that they'd concentrated their efforts on 
important things like providing wider stop range for auto bracketing and maybe 
focus and aperture bracketing. These sorts of "advancements" would have been 
far more useful to me as they can't be duplicated post capture.

Cheers,


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998



Re: Multiple exposures with the *istD

2004-05-24 Thread Jostein
In reply to Rob:

I'd use multiexposure for astro and other low light conditions where slow
movement might cause a blur. Eg. forest plants that would move even in
slight breeze. And the occational time-lapse...

Jostein

- Original Message - 
From: "Kenneth Waller" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, May 24, 2004 6:01 PM
Subject: Re: Multiple exposures with the *istD


> Rob,
> in response to ...In what circumstances would you be likely to use the
multiple exposure function
> on the *ist D? I've been shooting multiples on film where I do a sharp
focus and then a soft focus, also leaves on flowing water and multiples as I
zoom the lens, you know artsey fartsey stuff.
>
>
> -Original Message-
> From: Rob Studdert <[EMAIL PROTECTED]>
>
> Subject: Re: Multiple exposures with the *istD
>
> On 24 May 2004 at 11:30, Kenneth Waller wrote:
>
> > Rob,
> > pg 84 step 3, in the manual, makes no mention of exposure compensation
for
> > multiple exposures. In the MZ-S and the PZ1P, which also have multiple
exposure
> > capabilities, there is no mention about exposure compensation for
multiple
> > exposures either and if you simply shoot multiples in these film cameras
you get
> > over exposed images. On those cameras I simply reset ISO per the number
of
> > multiple exposures - ie for 4 exposures, multiple ISO by 4 and reset ISO
setting
> > for that group of multiples. This can't be done on the *istD.
>
> Sorry I missed the thrust of the question obviously. However on the rare
> occasions that I've used multiple exposures I've always used manual
exposure in
> any case. I wouldn't have even guessed that exposure compensation may have
been
> automated. This degree of automation seems a bit pointless anyhow, surely
it
> can only work effectively if the subsequent exposures are fin the same
light
> and from the same POV? You learn something everyday I guess.
>
> In what circumstances would you be likely to use the multiple exposure
function
> on the *ist D?
>
>
> Rob Studdert
> HURSTVILLE AUSTRALIA
> Tel +61-2-9554-4110
> UTC(GMT)  +10 Hours
> [EMAIL PROTECTED]
> http://members.ozemail.com.au/~distudio/publications/
> Pentax user since 1986, PDMLer since 1998
>
>
>
> 
> PeoplePC Online
> A better way to Internet
> http://www.peoplepc.com
>



Re: Multiple exposures with the *istD

2004-05-24 Thread Bruce Dayton
For me, use of multi-exposure would be either to add a moon or some
such into the sky (different exposure, view, etc) or to make a collage
in a portrait (different view).  Neither seems to make sense for
simple image merging that is being discussed.

-- 
Best regards,
Bruce


Monday, May 24, 2004, 8:46:20 AM, you wrote:

RS> On 24 May 2004 at 11:30, Kenneth Waller wrote:

>> Rob, 
>> pg 84 step 3, in the manual, makes no mention of exposure compensation for
>> multiple exposures. In the MZ-S and the PZ1P, which also have multiple exposure
>> capabilities, there is no mention about exposure compensation for multiple
>> exposures either and if you simply shoot multiples in these film cameras you get
>> over exposed images. On those cameras I simply reset ISO per the number of
>> multiple exposures - ie for 4 exposures, multiple ISO by 4 and reset ISO setting
>> for that group of multiples. This can't be done on the *istD.

RS> Sorry I missed the thrust of the question obviously. However on the rare
RS> occasions that I've used multiple exposures I've always used manual exposure in
RS> any case. I wouldn't have even guessed that exposure compensation may have been
RS> automated. This degree of automation seems a bit pointless anyhow, surely it
RS> can only work effectively if the subsequent exposures are fin the same light
RS> and from the same POV? You learn something everyday I guess.

RS> In what circumstances would you be likely to use the multiple exposure function
RS> on the *ist D?


RS> Rob Studdert
RS> HURSTVILLE AUSTRALIA
RS> Tel +61-2-9554-4110
RS> UTC(GMT)  +10 Hours
RS> [EMAIL PROTECTED]
RS> http://members.ozemail.com.au/~distudio/publications/
RS> Pentax user since 1986, PDMLer since 1998




Re: Multiple exposures with the *istD

2004-05-24 Thread Kenneth Waller
Rob,
in response to ...In what circumstances would you be likely to use the multiple 
exposure function 
on the *ist D? I've been shooting multiples on film where I do a sharp focus and 
then a soft focus, also leaves on flowing water and multiples as I zoom the lens, you 
know artsey fartsey stuff.


-Original Message-
From: Rob Studdert <[EMAIL PROTECTED]>

Subject: Re: Multiple exposures with the *istD

On 24 May 2004 at 11:30, Kenneth Waller wrote:

> Rob, 
> pg 84 step 3, in the manual, makes no mention of exposure compensation for
> multiple exposures. In the MZ-S and the PZ1P, which also have multiple exposure
> capabilities, there is no mention about exposure compensation for multiple
> exposures either and if you simply shoot multiples in these film cameras you get
> over exposed images. On those cameras I simply reset ISO per the number of
> multiple exposures - ie for 4 exposures, multiple ISO by 4 and reset ISO setting
> for that group of multiples. This can't be done on the *istD.

Sorry I missed the thrust of the question obviously. However on the rare 
occasions that I've used multiple exposures I've always used manual exposure in 
any case. I wouldn't have even guessed that exposure compensation may have been 
automated. This degree of automation seems a bit pointless anyhow, surely it 
can only work effectively if the subsequent exposures are fin the same light 
and from the same POV? You learn something everyday I guess.

In what circumstances would you be likely to use the multiple exposure function 
on the *ist D?


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998




PeoplePC Online
A better way to Internet
http://www.peoplepc.com



Re: Multiple exposures with the *istD

2004-05-24 Thread Kenneth Waller
Apparently, when you dial in the number of multiple exposures, the software 
compensates the actual exposure depending on the number dialed in.

Ken Waller

-Original Message-
From: William Kane <[EMAIL PROTECTED]>

Subject: Re: Multiple exposures with the *istD

I believe that the way the *ist D handles multiple exposures is 
entirely different from film.  We're all discussing how it should be 
calculating 1/2 the exposure for the first shot and the other 1/2 the 
exposure for the second shot . . .

. . . what if the *ist D is a far more simple beast?  What if when you 
tell it you are doing a 2 shot multi-exposure, it takes the next 2 
pictures at full exposure (unless told to do otherwise) and then simply 
merges the two together?  This seems far more likely given the apparent 
ability for the *ist D to get the exposures right all the time.

Just a thought, though experience tells me I am not always right,

IL Bill
On Monday, May 24, 2004, at 10:30 AM, Kenneth Waller wrote:

> Rob,
> pg 84 step 3, in the manual, makes no mention of exposure compensation 
> for multiple exposures. In the MZ-S and the PZ1P, which also have 
> multiple exposure capabilities, there is no mention about exposure 
> compensation for multiple exposures either and if you simply shoot 
> multiples in these film cameras you get over exposed images. On those 
> cameras I simply reset ISO per the number of multiple exposures - ie 
> for 4 exposures, multiple ISO by 4 and reset ISO setting for that 
> group of multiples. This can't be done on the *istD.
>
> -Original Message-
> From: Rob Studdert <[EMAIL PROTECTED]>
> Sent: May 23, 2004 6:42 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Multiple exposures with the *istD
>
> On 23 May 2004 at 17:32, Kenneth Waller wrote:
>
>> William,
>> So apparently, the magic occurs when you set the multiple exposure 
>> number.
>> Would have been nice if that was mentioned in the manual!
>
> Page 84, step 3
>
>
> Rob Studdert
> HURSTVILLE AUSTRALIA
> Tel +61-2-9554-4110
> UTC(GMT)  +10 Hours
> [EMAIL PROTECTED]
> http://members.ozemail.com.au/~distudio/publications/
> Pentax user since 1986, PDMLer since 1998
>
>
>
> 
> PeoplePC Online
> A better way to Internet
> http://www.peoplepc.com
>




PeoplePC Online
A better way to Internet
http://www.peoplepc.com



Re: Multiple exposures with the *istD

2004-05-24 Thread Rob Studdert
On 24 May 2004 at 11:30, Kenneth Waller wrote:

> Rob, 
> pg 84 step 3, in the manual, makes no mention of exposure compensation for
> multiple exposures. In the MZ-S and the PZ1P, which also have multiple exposure
> capabilities, there is no mention about exposure compensation for multiple
> exposures either and if you simply shoot multiples in these film cameras you get
> over exposed images. On those cameras I simply reset ISO per the number of
> multiple exposures - ie for 4 exposures, multiple ISO by 4 and reset ISO setting
> for that group of multiples. This can't be done on the *istD.

Sorry I missed the thrust of the question obviously. However on the rare 
occasions that I've used multiple exposures I've always used manual exposure in 
any case. I wouldn't have even guessed that exposure compensation may have been 
automated. This degree of automation seems a bit pointless anyhow, surely it 
can only work effectively if the subsequent exposures are fin the same light 
and from the same POV? You learn something everyday I guess.

In what circumstances would you be likely to use the multiple exposure function 
on the *ist D?


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998



Re: Multiple exposures with the *istD

2004-05-24 Thread William Kane
I believe that the way the *ist D handles multiple exposures is 
entirely different from film.  We're all discussing how it should be 
calculating 1/2 the exposure for the first shot and the other 1/2 the 
exposure for the second shot . . .

. . . what if the *ist D is a far more simple beast?  What if when you 
tell it you are doing a 2 shot multi-exposure, it takes the next 2 
pictures at full exposure (unless told to do otherwise) and then simply 
merges the two together?  This seems far more likely given the apparent 
ability for the *ist D to get the exposures right all the time.

Just a thought, though experience tells me I am not always right,
IL Bill
On Monday, May 24, 2004, at 10:30 AM, Kenneth Waller wrote:
Rob,
pg 84 step 3, in the manual, makes no mention of exposure compensation 
for multiple exposures. In the MZ-S and the PZ1P, which also have 
multiple exposure capabilities, there is no mention about exposure 
compensation for multiple exposures either and if you simply shoot 
multiples in these film cameras you get over exposed images. On those 
cameras I simply reset ISO per the number of multiple exposures - ie 
for 4 exposures, multiple ISO by 4 and reset ISO setting for that 
group of multiples. This can't be done on the *istD.

-Original Message-
From: Rob Studdert <[EMAIL PROTECTED]>
Sent: May 23, 2004 6:42 PM
To: [EMAIL PROTECTED]
Subject: Re: Multiple exposures with the *istD
On 23 May 2004 at 17:32, Kenneth Waller wrote:
William,
So apparently, the magic occurs when you set the multiple exposure 
number.
Would have been nice if that was mentioned in the manual!
Page 84, step 3
Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998


PeoplePC Online
A better way to Internet
http://www.peoplepc.com



Re: Multiple exposures with the *istD

2004-05-24 Thread Kenneth Waller
Rob, 
pg 84 step 3, in the manual, makes no mention of exposure compensation for multiple 
exposures. In the MZ-S and the PZ1P, which also have multiple exposure capabilities, 
there is no mention about exposure compensation for multiple exposures either and if 
you simply shoot multiples in these film cameras you get over exposed images. On those 
cameras I simply reset ISO per the number of multiple exposures - ie for 4 exposures, 
multiple ISO by 4 and reset ISO setting for that group of multiples. This can't be 
done on the *istD. 

-Original Message-
From: Rob Studdert <[EMAIL PROTECTED]>
Sent: May 23, 2004 6:42 PM
To: [EMAIL PROTECTED]
Subject: Re: Multiple exposures with the *istD

On 23 May 2004 at 17:32, Kenneth Waller wrote:

> William,
> So apparently, the magic occurs when you set the multiple exposure number.
> Would have been nice if that was mentioned in the manual!

Page 84, step 3


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998




PeoplePC Online
A better way to Internet
http://www.peoplepc.com



Re: Multiple exposures with the *istD

2004-05-22 Thread William Robb

- Original Message - 
From: "Kenneth Waller" <
Subject: Multiple exposures with the *istD


> If you've tried multiple exposures with the *ist D, what method of
"exposure
> compensation" are you  using?
> With a film camera I multiply the film ISO by the number of
multiple
> exposures taken - ie set ISO 50 to 200 to take 4 exposures on the
same
> frame. That's not going to do it on the *istD.
> There are a variety of ways to do this but I was wondering what
others do?

For fun, I tried a 9 exposure multiple, no compensation of any kind,
and lo and behold, the exposure was bang on.
It's majik, I tell you.
Majik.
Magic.

William Robb




Re: Multiple exposures

2001-06-03 Thread Ayash Kanto Mukherjee


Yes, that is what exactly I want to know. Any suggestion/comment??
Regards,
Ayash K.

On Mon, 4 Jun 2001, Eduardo Carone Costa Júnior wrote:

> Thanks for the precise explanations. just one more question: How do you
> determine how many exposures do you need to get it right? My guess is that,
> on that particular photo, one second exposures wouldn't be short enough to
> do the trick...

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Re: Multiple exposures

2001-06-03 Thread William Robb


- Original Message -
From: "Eduardo Carone Costa Júnior"
Subject: Re: Multiple exposures


> Thanks for the precise explanations. just one more question:
How do you
> determine how many exposures do you need to get it right? My
guess is that,
> on that particular photo, one second exposures wouldn't be
short enough to
> do the trick...

I first decide what aperture I need to secure sufficient depth
of field, or which aperture is best on the lens in question if
DOF is not a consideration. I then meter the scene to determine
the exposure time needed for that aperture.
While I am working this out, I am also determining what shutter
speed would best serve the effect I want to achieve. Do I want
the moving water to be as sharp as possible, perhaps slightly
soft will do.
So, now I have determined the amount of exposure needed, and the
increments that I will be using to get there. Divide one into
the other to determine the number of shutter releases needed.
The complication that arises is that a sort of reciprocity
failure comes into play with this process, so it can be a bit of
a guessing game to get it correct.

William Robb
Remember, the LX Gallery is coming up.
Please see:
http://pug.komkon.org/LX_Gallery/LX_Submit.html
for more information.


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Re: Multiple exposures

2001-06-03 Thread Eduardo Carone Costa Júnior

Thanks for the precise explanations. just one more question: How do you
determine how many exposures do you need to get it right? My guess is that,
on that particular photo, one second exposures wouldn't be short enough to
do the trick...

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Re: Multiple exposures

2001-06-02 Thread Ayash Kanto Mukherjee

On Sun, 3 Jun 2001, Eduardo Carone Costa Júnior wrote:

> Cameron hood wrote, when describing his, by the way, gorgeous, submission
> for this month's PUG:
> 
> "Equipment:  Pentax PZ-1p: 300mm F4.5 at F32; SMC 'Cloudy' filter;
> multi-exposure exposure of about 8 - 10 seconds total exposure"
> 
> I wonder what's the benefit of using multiple exposures for an image like
> his, and, more important, how do you decide when the situation calls for a
> multiple exposure technique?
> Can someone that's used to doing this kind of thing, or ,perhaps,s the
> Author himself, clarify this?
> Thanks,
>Eduardo.
> 

Well, I think whenever you have a subject which is moving and therefore
fills different regions of the frame at different instants of time, you
call for multiple exposure. However, in Camron Hood's submission, it is
the water which is the only moving subject. This photograph can be created
by a long exposure also but the only problem with that is that the dark
coloured rocks will appear too bright destroying the contrast in the
photograph. I also think that the light was too low while the snap was
taken and the cloudy filter added up to the myterious nature of the
photograph. I may be wrong but I shall be very happy if somebody tells me
the truth.

With best regards,
Ayash Kanto.

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