RE: flash questions

2004-12-19 Thread Jens Bladt
Simply move the flash away from the camera.
The angle between lens and flash directions is crutial in getting/avoiding
red eyes (whis actually is the flash light hitting the backside of the eye
apple (the retina), in a place, visible from the point of view of the lens).
Perhaps 8 inches or less will do the trick!

Jens Bladt
mailto:[EMAIL PROTECTED]
http://hjem.get2net.dk/bladt


-Oprindelig meddelelse-
Fra: Francis [mailto:[EMAIL PROTECTED]
Sendt: 19. december 2004 08:39
Til: [EMAIL PROTECTED]
Emne: flash questions


Hi all,
I've been messing round with my flash lately (although I abhor using it) I
made a make-shift omni bounce thing out of a milk jug and some hot glue.
The camera that I'm using doesn't have TTL flash metering so I'm wondering
how the diffuser (or ceiling bounce) will effect the exposer. The flash is
a thyristor so as I understand it it should work fine.
Does anyone have any suggestions for avoiding red-eye when shooting things
like squirrels and deer outside? I've tried bouncing it off a tree which I
liked quite a bit but there isn't always a tree handy.

Francis





Re: flash questions

2004-12-19 Thread Steve Jolly
Francis wrote:
Hi all,
I've been messing round with my flash lately (although I abhor using it) 
I made a make-shift omni bounce thing out of a milk jug and some hot 
glue. The camera that I'm using doesn't have TTL flash metering so I'm 
wondering how the diffuser (or ceiling bounce) will effect the exposer. 
The flash is a thyristor so as I understand it it should work fine.
So long as the flash has its own sensor and your use of bouncing doesn't 
require more light than the flash can provide, yes it should work fine.

Does anyone have any suggestions for avoiding red-eye when shooting 
things like squirrels and deer outside? I've tried bouncing it off a 
tree which I liked quite a bit but there isn't always a tree handy.
How about an off-camera flash setup?  Or a flash bracket?  Anything that 
gets the flash further away from the axis of the lens is a good thing.

S


Re: flash questions

2004-12-19 Thread Alan Chan
--- Francis <[EMAIL PROTECTED]> wrote:
> I've been messing round with my flash lately (although I abhor using it) I 
> made a make-shift omni bounce thing out of a milk jug and some hot glue. 
> The camera that I'm using doesn't have TTL flash metering so I'm wondering 
> how the diffuser (or ceiling bounce) will effect the exposer. The flash is 
> a thyristor so as I understand it it should work fine.
> Does anyone have any suggestions for avoiding red-eye when shooting things 
> like squirrels and deer outside? I've tried bouncing it off a tree which I 
> liked quite a bit but there isn't always a tree handy.

Assuming the ceiling is white and about 2-3M high, +2 f-stops should compensate 
it.

=
Alan Chan
http://www.pbase.com/wlachan



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Re: Flash questions

2003-09-17 Thread Michel Carrère-Gée
Bojidar Dimitrov a écrit:
Hi,


Thanks Boj, but what I could/cannot see is information on suitable
brackets. Did/does Pentax make any?


I am not sure about brackets, but with the help of the 5P cords and
adapters, you can connect any number of F-type flashes together.

You also mention in the site that the 360FTZ can do slave flash. Did
you mean the 330FTZ or the 360FGZ?


I don't think that the 330 FTZ can, but I do not own the 360 either, so
I am not totally sure.
The 330FTZ can't do sklave flash, only tje 360FGZ

Michel





Re: Flash questions

2003-09-16 Thread Alin Flaider
Bojidar wrote:

>> You also mention in the site that the 360FTZ can do slave flash. Did
>> you mean the 330FTZ or the 360FGZ?
BD> I don't think that the 330 FTZ can, but I do not own the 360 either, so
BD> I am not totally sure.

  The 360FGZ can act as a slave both in wireless control or as a plain
  vanilla slave triggered by any other flash.
 
  Servus,  Alin



Re: Flash questions

2003-09-14 Thread Kostas Kavoussanakis
On Sun, 14 Sep 2003, Bojidar Dimitrov wrote:

> Hello Kostas,
>
> > I am trying to understand what it will take so as to enable an MZ-5n
> > (or and MZ bar the MZ-S) to do contrast-control-sync flash.
>
> > Could not find anything on Boj's site or on the Pentax UK/US sites.
>
> It's there.  Go to the "Flashes" page and look under "General
> Information".  All you need is to connect two F-type flashes somehow
> (anyhow), and enable contrast-flash on one of them.  That's it!  One of
> the two flashes can be the built-in one.

Thanks Boj, but what I could/cannot see is information on suitable
brackets. Did/does Pentax make any?

You also mention in the site that the 360FTZ can do slave flash. Did
you mean the 330FTZ or the 360FGZ?

Thanks for a most excellent site,
Kostas



Re: Flash questions

2003-09-13 Thread Bojidar Dimitrov
Hello Kostas,

> I am trying to understand what it will take so as to enable an MZ-5n
> (or and MZ bar the MZ-S) to do contrast-control-sync flash.

> Could not find anything on Boj's site or on the Pentax UK/US sites.

It's there.  Go to the "Flashes" page and look under "General
Information".  All you need is to connect two F-type flashes somehow
(anyhow), and enable contrast-flash on one of them.  That's it!  One of
the two flashes can be the built-in one.

Cheers,
Boz

-- 
 _\\|//_ Imagination is more important than knowledge...
   0(` O-O ')0   A. Einstein
===ooO=(_)=Ooo===
 Bojidar D. Dimitrov  author and editor, Pentax K-Mount web page
 [EMAIL PROTECTED]   http://kmp.BDimitrov.de/
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RE: Flash questions

2002-12-13 Thread Bruce Rubenstein
No. You have to repeately post to a thread that has nothing to do with
photography, without trimming your reply so that your post is 75 lines long
with 1 new line and then you have to claim that you can do this because
freedom of speech is protected under the First Amendment (this really
impresses every one from places like Europe). You can also get a cool name
by posting to the list by using a wireless laptop connection, while driving
down the highway in an SUV at a wobbly 40 MPH, with me following behind you.

BR

From: "tom" <[EMAIL PROTECTED]>

Do I get a cool name now?




Re: RE: Flash questions

2002-12-13 Thread David Brooks
Printed and in the binder.Thanks Tom

Dave
 Begin Original Message 

From: Jerome Daryl Coombs-Reyes <[EMAIL PROTECTED]>
Sent: Fri, 13 Dec 2002 16:16:45 -0500 (EST)
To: <[EMAIL PROTECTED]>
Subject: RE: Flash questions



Thanks, Tom! Very nice explanation. Much appreciated.

      - jerome




Pentax User
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RE: Flash questions

2002-12-13 Thread Jerome Daryl Coombs-Reyes

Thanks, Tom! Very nice explanation. Much appreciated.

  - jerome

On Fri, 13 Dec 2002, tom wrote:

> The camera is still metering for the ambient light. You've set the
> sperture/shutter speed for a correct ambient exposure. If you dial
> in -1, the camera is telling you that the manual settings will give
> you a stop more than the -1 setting on the dial.
>
> In other words, you've told the camera you want to underexpose by -1,
> and it's telling you you're a stop over -1, which is just what you
> want.
>
> Maybe the confusing part is that you expect the meter bar graph to
> line up at -1. It's not. It's going to line up in the middle, the
> difference being that the middle value is -1.
>
> Now when you hit the shutter, the flash/camera doesn't care about your
> manual settings, it's going to shut the flash off when it senses it's
> hit -1.
>
> Therefore the ambient exposure will be correct, the flash will be a
> stop below.




RE: Flash questions

2002-12-13 Thread tom
> -Original Message-
> From: Jerome Daryl Coombs-Reyes [mailto:[EMAIL PROTECTED]]
>
>
> It's been said on numerous occasions that the exposure
> compensation dial
> works as flash compensation in M mode. Okay, so if I understand this
> correctly, for half intensity, dial in -1 EV of flash
> compensation; for
> one-third fill, -1 1/3 or -1.5 EV; for one quarter, -2 EV.
> Well, even if
> that scale is not quite right, the main point is that for
> less flash, I'm
> supposed to dial negatively correct?

Correct.

> Well, if the answer is
> yes, then
> please answer the following:
>
> Consider a conventional fill-flash setting. I first metered
> the scene on
> Program mode. Then I set the same exact settings manually
> (now in M mode).
> Then I flip on the flash unit.  Initially, the compensation
> bar graph
> stays at zero as expected. But as I turn the comp. dial to
> the negative
> side (less flash?) the bar graph goes up (towards the over
> exposure side).
> Is this supposed to happen?

Yes.

The camera is still metering for the ambient light. You've set the
sperture/shutter speed for a correct ambient exposure. If you dial
in -1, the camera is telling you that the manual settings will give
you a stop more than the -1 setting on the dial.

In other words, you've told the camera you want to underexpose by -1,
and it's telling you you're a stop over -1, which is just what you
want.

Maybe the confusing part is that you expect the meter bar graph to
line up at -1. It's not. It's going to line up in the middle, the
difference being that the middle value is -1.

Now when you hit the shutter, the flash/camera doesn't care about your
manual settings, it's going to shut the flash off when it senses it's
hit -1.

Therefore the ambient exposure will be correct, the flash will be a
stop below.

tv





RE: Flash questions

2002-07-31 Thread J. C. O'Connell

> Did anybody try or used Vivitar 730AF flash for Pentax?
> 
> The spec claims lots of features for very little money, but is unclear
> regarding Pentax model.
> 
> Also, it seems to have 1/16 power mode. I tried to figure out, 
> how this can be
> used? It looks like many f-stops (4?) below the meter reading, so it can
> hardly be used for fill-flash. Or am I wrong?
> 
> In general, how important are these power settings (1/2, 1/4, ) on
> high-end flashes? Could they be used for flash exposure 
> compensation, or they
> have diferent purpose?
> 
> Thanks
> Alex
> 
adjustable power manual flash is very useful for adjusting the 
ambient/fill ratio when doing daylight fill flash. For example
if you want a 1:1 ratio, choose a fstop/shutter speed for
ambient light and then adjust flash power manually until it gives
correct exposure with the fstop already in use.

also allows extreme closeup work while keeping the f-stop
managable with fast film.

third less used feature is the very low power setting
allows shortest possible flash duration which is desireable
if your trying to freeze extremely fast action of some sort.

JCO
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Re: Flash questions

2001-11-24 Thread Gary J Sibio

At 01:06 PM 11/21/01 -0500, you wrote:
>You're both right.  The head does drop, but unless you get it off the
>camera hotshoe, the distance from the subject tends to make it a
>"point source".  Moving it closer (and stopping down, perhaps using
>a tissue or two to permit it to shut off properly) makes for
>more effective shots.

Since I do a lot of macro and was thinking about the 280T, is there a 
problem with using it off-camera?



Gary J. Sibio
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RE: Flash questions

2001-11-21 Thread Kent Gittings

280T is a poor choice if you need macro, although if you take it off the hot
shoe and mount it closer you might have good results.
Kent Gittings

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Pawel Czarnul
Sent: Tuesday, November 20, 2001 10:53 PM
To: [EMAIL PROTECTED]
Subject: Flash questions


Hello,

I have a couple of flash related questions. I'm using ZX-5n and P30T bodies.
I need a flash for: macro photography as well as portraits (bounce and
swivel options would be nice). It looks like the best choice is the 280T
which has both TTL and manual modes and has all the features I want. B&H and
Adorama sell them for 150$. What do you think of this price? Is there a
better place to buy it (new)?
One more question. Boz's site claims that the 220T is incompatible with
manual bodies. Is that true? I know it offers TTL for ZX-5ns but what about
the P30T?

Thanks for your replies.

Pawel


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RE: Flash questions

2001-11-20 Thread Karasch, John

The import version of the AF280T is available for < $120 at Focus Camera.  I
bought one, and it's exactly the same as the domestic version.  Some people
think that the warranty is invalid for import versions, but Focus says they
will make good on any defect.  Two points here:  (1) a problem is unlikely,
and (2) $120 isn't exactly a life-altering purchase, even if it went bad.

John
 -Original Message-
From:   Pawel Czarnul [mailto:[EMAIL PROTECTED]] 
Sent:   Wednesday, November 21, 2001 11:53 AM
To: [EMAIL PROTECTED]
Subject:Flash questions

Hello,

I have a couple of flash related questions. I'm using ZX-5n and P30T bodies.

I need a flash for: macro photography as well as portraits (bounce and 
swivel options would be nice). It looks like the best choice is the 280T 
which has both TTL and manual modes and has all the features I want. B&H and

Adorama sell them for 150$. What do you think of this price? Is there a 
better place to buy it (new)?
One more question. Boz's site claims that the 220T is incompatible with 
manual bodies. Is that true? I know it offers TTL for ZX-5ns but what about 
the P30T?

Thanks for your replies.

Pawel


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