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From: Rudeney on 27 Jul 2010 15:56
On 7/27/2010 2:03 PM, DisneyWizard the Fantasmic! wrote:
> Pretty much everything Keane said - about being a concientious
> videographer and such - right up to the "because".
> "Keane" <keane(a)keanespics.com> wrote in message
> news:n2pt465k4qs1jdt8vualp9fpj1cu8c8pu3(a)4ax.com...
>>
>> 3D movies like Philharmagic require a polarized filter to filter
>> out one of the images. (A broken pair of 3D glasses will work
>> just fine, you may have to rotate a pair of polarized sunglasses
>> a certain way to achieve the same effect, though sunglasses will
>> also darken the image. That's why real polarized photo filters
>> rotate, so you can film 3D movies... :-))
>>
> The polarization angle is 45�, left or right. The glasses are sterilized
> after every viewing. The machine assembles the lenses into the frame
> doesn't care if it's a left lens are or right lens, it just blows air
> across many lenses until two fall correctly in place. The shape of the
> lens is one way. The lens could have been its opposite in a previous
> viewing.

Interesting, and a very smart way of doing this.

> I was informed by my father, a cinematographer, that polarization
> filters could rotate to adjust the value and contrast of blue sky and
> clouds.

Yes, I think Keane was just being funny about them rotating for 3D
movies. It is also necessary to be able to change the polarization
angle (i.e. rotate the polarizing filter) to capture light coming
through a transparent surface (i.e. water or a window) vs. light
reflecting off of it.

--

- RODNEY

Next WDW Vacation?
Who knows!

Need to know more about RADP (rec.arts.disney.parks)?

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From: DisneyWizard the Fantasmic! on 27 Jul 2010 23:38

"Rudeney" <rudeney(a)mickeypics.com> wrote in message
news:i2ndr6$vha$1(a)rudeney.motzarella.org...


>> "Keane" smiley:
>>> That's why real polarized photo filters
>>> rotate, so you can film 3D movies... :-))
>>>
> DisneyWizard the Fantasmic! (not his real name) wrote:
>> Pretty much everything Keane said - about being a concientious
>> videographer and such - right up to the "because". -(o=8>
>> The polarization angle is 45�, left or right. The glasses are sterilized
>> after every viewing. The machine assembles the lenses into the frame
>> doesn't care if it's a left lens are or right lens, it just blows air
>> across many lenses until two fall correctly in place. The shape of the
>> lens is one way. The lens could have been its opposite in a previous
>> viewing.
> and back to Rudney:
> Interesting, and a very smart way of doing this.

And precise alignment too, ViewMaster 3D reels are made by blowing air
across the transparency, it minimizes dust and scratches too.

- Step right up for your instant Stress Analysis - now with polarization! -
For more polarizaton sidewalk science, and to bridge another thread
"Entertainment in the Quenes" - There you are, waiting in the lobby for the
3D movie. Ask to borrow your friends glasses. Hold yous and theirs together
and peer through them as you rotate one. In addition to "behind the magic"
reveal of image separation, there are many topics which can be discussed
when you are waiting in the next queue after the film. Such as Photo
Elasticity and Polarimetry.
http://en.wikipedia.org/wiki/Photoelasticity ..oooh, pretty pictures of
plastic.
http://en.wikipedia.org/wiki/Polarimetry ...revealing hidden characters.

I'm not certain about the angle, but it makes sense. When I was setting up
my two projectors to playback 3D, 45 to either side worked best for me, and
worked with the glasses from the same manufacturer Disney uses. What didn't
work was the very expensive, highly reflective glass bead projection screen,
the wall worked better. If I had just waited a couple of weeks, I would have
seen the History Detectives episode about JFKenedy's crew borrowing a
silvered screen for 3D projection, and bought one that didn't scatter the
polarization. But then again, I enjoyed the screen stretched across the
ceiling over my bed, which turned out to be the most comfortable viewing
experience I ever enjoyed. And at the "top" edge, was a Main Street panorama
by Keane.


>
>> I was informed by my father, a cinematographer, that polarization
>> filters could rotate to adjust the value and contrast of blue sky and
>> clouds.
>
> Yes, I think Keane was just being funny about them rotating for 3D movies.
> It is also necessary to be able to change the polarization angle (i.e.
> rotate the polarizing filter) to capture light coming through a
> transparent surface (i.e. water or a window) vs. light reflecting off of
> it.
>
> --
>
> - RODNEY
>
> Next WDW Vacation?
> Who knows!
>
> Need to know more about RADP (rec.arts.disney.parks)?
>
> http://www.radp.org
> http://allears.net/btp/radp_bk.htm
> http://allears.net/tp/abrev.htm
>
> Are you still accessing RADP via Google? Why?
> Get instructions on how to access to the "real"
> RADP Usenet Group here:
>
> http://meets.radp.org/usenet.htm
Rodney, thanks again for that Usenet page, I've committed it to memory,
until you change it. Very Useful stuff. Update: I ditched at&t altogether
because they dropped support for newsgroups. I recommend your page to all.
There was a time when I was a node on the uusenet bridge between disneysoft
feeding "The Mouse House" bulletin board in Anaheim. That was so much more
complicated. (and if you could see the archive, you would discover my real
name.)
--
All ladders in the Temple of the Forbidden Eye have thirteen steps.
There are thirteen steps to the gallows, firing squad or any execution.
The first step is denial... Don't be bamboozled:
Secrets of the Temple of the Forbidden Eye revealed!
Indiana JonesT Discovers The Jewel of Power!
visit -(o=8> http://disneywizard.com/ <8=o)- visit

From: Keane on 28 Jul 2010 05:52
On Tue, 27 Jul 2010 12:03:45 -0700, "DisneyWizard the Fantasmic!"
<wiz(a)FANTASMIC!disneywizard.com> wrote:

>Pretty much everything Keane said - about being a concientious videographer
>and such - right up to the "because".
>"Keane" <keane(a)keanespics.com> wrote in message
>news:n2pt465k4qs1jdt8vualp9fpj1cu8c8pu3(a)4ax.com...

<snip>
>>
>> (Be a good videographer. Turn off your LED recording indicator, never
>> use an IR (i.e. nightvision) source, and use the viewfinder (not the
>> preview screen) on dark rides. If you need to use external video
>> lighting, then don't, and get a better videocam.)
>Enjoy the attraction all you like, just don't interfere with the enjoyment
>of other guests.
>I have found that videotaping dark ride attractions such as Indiana JonesT
>Adventure is acceptable with night vision infrared emitters, when you get
>on or when you're preparing for boarding, make your request of the loading
>cast member to please inform the tower that your infrared lamps are on, and
>then I point to the barely visible red glow and this is not interfering with
>other guests. This keeps them from saying "please turn off your camera
>light" at every opportunity, spoiling everyone's ride.

I know out semi-resident, oft absent Imagineer stated Disney was
getting away from IR sourced 'magic' (she wasn't forthcoming on
what they actually do :-)), I have to assume that some dark rides
still use IR technology. So I just keep it off.

Most cameras see IR as easily as visible light, so when they're
looking at their monitors, they see your camera as a light source.

>> 3D movies like Philharmagic require a polarized filter to filter
>> out one of the images. (A broken pair of 3D glasses will work
>> just fine, you may have to rotate a pair of polarized sunglasses
>> a certain way to achieve the same effect, though sunglasses will
>> also darken the image. That's why real polarized photo filters
>> rotate, so you can film 3D movies... :-))
>>
>> -Keane
>The polarization angle is 45�, left or right. The glasses are sterilized
>after every viewing. The machine assembles the lenses into the frame
>doesn't care if it's a left lens are or right lens, it just blows air across
>many lenses until two fall correctly in place. The shape of the lens is one
>way. The lens could have been its opposite in a previous viewing.

Didn't I read something lately about the glasses are *supposed* to
be sterilized, but the conclusion was you wanted your own personal
pair? (I suppose if I could "acquire" a pair, I could mount the
lenses in a pair of sunglasses...)

>I was informed by my father, a cinematographer, that polarization filters
>could rotate to adjust the value and contrast of blue sky and clouds.

I used a polarized filter when I was but a child. (I'll bet I still
have it around here someplace.) You could increase the saturation
of skies, but the main reason I used one was to reduce glare.

The biggest problem with 'em, was they had a 1.5 or 2 stop
penalty, so if you were shooting with Kodachrome II, you were
essentially shooting with an ASA (ISO) 10 film. You almost always
needed a tripod, and those nifty lightweight aluminum 'pods were
still years away. And when you started playing with filters like
this, you sometimes had to 'guess' at what the final picture
was going to look like.

Ah, film. How I don't miss ye...

Keane
--
When stars are born, They possess a gift or two,
One of them is this, They have the power to make a wish come true...
-- Wishes
Visit my site: http://keanespics.com
From: Keane on 28 Jul 2010 06:15
On Tue, 27 Jul 2010 14:56:22 -0500, Rudeney <rudeney(a)mickeypics.com>
wrote:

>On 7/27/2010 2:03 PM, DisneyWizard the Fantasmic! wrote:
<snip>
>> I was informed by my father, a cinematographer, that polarization
>> filters could rotate to adjust the value and contrast of blue sky and
>> clouds.
>
>Yes, I think Keane was just being funny about them rotating for 3D
>movies. It is also necessary to be able to change the polarization
>angle (i.e. rotate the polarizing filter) to capture light coming
>through a transparent surface (i.e. water or a window) vs. light
>reflecting off of it.

You mean there was another reason those thing rotate?

Yes, they were very useful around water on a sunny day. I
never used one for Sunsets, though. I bet the results would
have been spectacular.

Now I just do it all in post. ;-)

Keane
--
When stars are born, They possess a gift or two,
One of them is this, They have the power to make a wish come true...
-- Wishes
Visit my site: http://keanespics.com
From: Rudeney on 28 Jul 2010 12:51
On 7/27/2010 10:38 PM, DisneyWizard the Fantasmic! wrote:
>
>>
>> --
>>
>> - RODNEY
>>
>> Next WDW Vacation?
>> Who knows!
>>
>> Need to know more about RADP (rec.arts.disney.parks)?
>>
>> http://www.radp.org
>> http://allears.net/btp/radp_bk.htm
>> http://allears.net/tp/abrev.htm
>>
>> Are you still accessing RADP via Google? Why?
>> Get instructions on how to access to the "real"
>> RADP Usenet Group here:
>>
>> http://meets.radp.org/usenet.htm
> Rodney, thanks again for that Usenet page, I've committed it to memory,
> until you change it. Very Useful stuff. Update: I ditched at&t
> altogether because they dropped support for newsgroups. I recommend your
> page to all.

Thanks. I did the write-up of instructions for using Eternal-September
or AIOE on Thunderbird, but Jack is the webmaster, so he is the one
hosting it. Hopefully we can keep Usenet alive somewhat (at least the
RADP corner of it!)


--

- RODNEY

Next WDW Vacation?
Who knows!

Need to know more about RADP (rec.arts.disney.parks)?

http://www.radp.org
http://allears.net/btp/radp_bk.htm
http://allears.net/tp/abrev.htm

Are you still accessing RADP via Google? Why?
Get instructions on how to access to the "real"
RADP Usenet Group here:

http://meets.radp.org/usenet.htm
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