On 9/10/06, Cory Papenfuss, discombobulated, unleashed:
> I was too excited to read the fine print
Mark.
Love it.
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Cheers,
Cotty
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It diaphragm actuator may be linear in the K-M lenses in accordance with
diameter, but it doesn't have to be, for the K specification only the
simulator has to be accurate since the diaphragm actuator moves it's
entire travel distance with each exposure. As long as the aperture
stops closing a
On the Ds at least, (I'll check the D later), you have the option of CW
and Spot metering with K-M lenses. Not as nice in some circumstances as
matrix metering but I most often find myself using CW anyway, at least I
have some idea how the meter might be going wrong in difficult lighting,
with
It doesn't work anymore but it is still good to know that it will work
AFAIR with all AF bodies supporting matrix except *ist (and K...D)
serie (analog and digital).
MZ-S/Z1 etc will matrix fine :)
--
Thibault Massart aka Thibouille
--
*ist-D,Z1,SuperA,KX,MX, P30t and KR-10x
altogeher.
jco
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Cory Papenfuss
Sent: Monday, October 09, 2006 11:13 AM
To: Pentax-Discuss Mail List
Subject: Re: k10d and manual-aperture lenses? QUESTION (fwd)
> No, there's a good reason for it: Th
> No, there's a good reason for it: The matrix metering algorithms need
> to know not only the maximum aperture of the lens (which it gets from
> the ID Insulators, but also the actual shooting aperture, which it can
> determine from the non-linear movement of the diaphragm actuator arm on
> "A
Cory Papenfuss wrote:
>On Mon, 9 Oct 2006, Mark Roberts wrote:
>
>> Cory Papenfuss wrote:
>>
>> > I have followed Mark Robert's "matrix metering modification" on
>> >an old K-mount Sears 135mm f/2.8. The camera doesn't care
>> >that the identification insulators are
>> >there... still stuck i
On Mon, 9 Oct 2006, Mark Roberts wrote:
> Cory Papenfuss wrote:
>
> > I have followed Mark Robert's "matrix metering modification" on
> >an old K-mount Sears 135mm f/2.8. The camera doesn't care
> >that the identification insulators are
> >there... still stuck in CW metering.
>
> That's why
Cory Papenfuss wrote:
> I have followed Mark Robert's "matrix metering modification" on
>an old K-mount Sears 135mm f/2.8. The camera doesn't care
>that the identification insulators are
>there... still stuck in CW metering.
That's why my web page has the following note on the lens mod page:
> Actually, you get matrix metering with A lenses even if using the
> aperture ring (And pre-A lenses can be modified to support matrix metering)
>
...which does not appear to work on my -DS. I have followed Mark
Robert's "matrix metering modification" on an old K-mount Sears 135mm
f/2
David Bliss wrote:
> On Sun, Oct 08, 2006 at 04:54:31PM -0500, Adam Maas <[EMAIL PROTECTED]> wrote:
>
>> Actually, you get matrix metering with A lenses even if using the
>> aperture ring (And pre-A lenses can be modified to support matrix metering)
>
> Adam,
>
> Could you elaborate on this? Is
On Sun, Oct 08, 2006 at 04:54:31PM -0500, Adam Maas <[EMAIL PROTECTED]> wrote:
> Actually, you get matrix metering with A lenses even if using the
> aperture ring (And pre-A lenses can be modified to support matrix metering)
Adam,
Could you elaborate on this? Is it just a matter of machining th
ssage-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Paul Stenquist
Sent: Sunday, October 08, 2006 6:18 PM
To: Pentax-Discuss Mail List
Subject: Re: k10d and manual-aperture lenses? QUESTION
I use manual metering mode quite often. It inspires thought about
what stop and shutter
; Sent: Sunday, October 08, 2006 4:31 PM
> To: Pentax-Discuss Mail List
> Subject: Re: k10d and manual-aperture lenses? QUESTION
>
>
> ----- Original Message -----
> From: "J. C. O'Connell"
> Subject: RE: k10d and manual-aperture lenses? QUESTION
>
>
>
I use manual metering mode quite often. It inspires thought about
what stop and shutter speed are most advantageous.
Paul
On Oct 8, 2006, at 4:15 PM, William Robb wrote:
>
> - Original Message -
> From: "J. C. O'Connell"
> Subject: RE: k10d and manua
jco
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> William Robb
> Sent: Sunday, October 08, 2006 4:31 PM
> To: Pentax-Discuss Mail List
> Subject: Re: k10d and manual-aperture lenses? QUESTION
>
>
> - Original Mess
Actually, you get matrix metering with A lenses even if using the
aperture ring (And pre-A lenses can be modified to support matrix metering)
-Adam
Thibouille wrote:
> Of course with an A lens set on A position you also get matrix metering.
>
> 2006/10/8, Adam Maas <[EMAIL PROTECTED]>:
>> For
- Original Message -
From: "J. C. O'Connell"
Subject: RE: k10d and manual-aperture lenses? QUESTION
> So you adjust both aperture and shutter on body until
> The exposure meter readout reads "0" or null? Or do
> You just set aperture with
Of course with an A lens set on A position you also get matrix metering.
2006/10/8, Adam Maas <[EMAIL PROTECTED]>:
> For the single-wheel bodies, you get a numeric readout of +/-3 stops in
> 1/2 to 1/3 EV (essentially the same as what you get using DoF preview
> with pre-A glass). Aperture is set
lto:[EMAIL PROTECTED] On Behalf Of
William Robb
Sent: Sunday, October 08, 2006 4:31 PM
To: Pentax-Discuss Mail List
Subject: Re: k10d and manual-aperture lenses? QUESTION
- Original Message -
From: "J. C. O'Connell"
Subject: RE: k10d and manual-aperture lenses? QUESTION
>I
For the single-wheel bodies, you get a numeric readout of +/-3 stops in
1/2 to 1/3 EV (essentially the same as what you get using DoF preview
with pre-A glass). Aperture is set with a combination of Ev Comp button
and control wheel, the wheel sets shutter normally.
With the D and K10D, you get
nt, open-aperture AE. The aperture is adjusted via the
thumbwheel on the camera.
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> William Robb
> Sent: Sunday, October 08, 2006 4:16 PM
> To: Pentax-Discuss Mail List
> Subje
- Original Message -
From: "J. C. O'Connell"
Subject: RE: k10d and manual-aperture lenses? QUESTION
>I meant the operational method of course...
>
> I would assume if you set the aperture setting
> Off of "A" it works like the PK/PKM (green button)
On Behalf Of
William Robb
Sent: Sunday, October 08, 2006 4:16 PM
To: Pentax-Discuss Mail List
Subject: Re: k10d and manual-aperture lenses? QUESTION
- Original Message -
From: "J. C. O'Connell"
Subject: RE: k10d and manual-aperture lenses? QUESTION
QUESTION: How does m
- Original Message -
From: "J. C. O'Connell"
Subject: RE: k10d and manual-aperture lenses? QUESTION
QUESTION: How does manual metering mode work with NON PK/PKM
Lenses ("A" series for example)???
Quite well, actually.
William Robb
--
PDML Pentax-Discus
QUESTION: How does manual metering mode work with NON PK/PKM
Lenses ("A" series for example)???
JCO
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
J. C. O'Connell
Sent: Sunday, October 08, 2006 3:48 PM
To: 'Pentax-Discuss Mail List'
Subject: RE: k10d and
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