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Re: [APML] OT:Photoshop question
Reflections from metal (conductor-anything with "free" electrons)
cannot be reduced with a polarizer. Reflections from dielectrics
(water, glass, paint, etc) can be reduced. The reduction is
reflection angle dependent and varies with the properties of the
dielectric. If I remember correctly (good chance I am not remembering
correctly) the reflection angle of maximum polarization is the
Brewster angle.
- Bill
----- Original Message -----
From: Matthew Dulak <matthew.dulak@vsl.com.au>
To: <astro-photo@seds.org>
Sent: Monday, February 11, 2002 10:10 PM
Subject: RE: [APML] OT:Photoshop question
| I'm not sure about photoshop but if you were to put a polarising
filter on
| your lens it should help with the initial photo.
|
| Matthew Dulak
| Melbourne Australia
|
| -----Original Message-----
| From: owner-astro-photo@seds.org
[mailto:owner-astro-photo@seds.org]On
| Behalf Of NightwatchMan
| Sent: Tuesday, 12 February 2002 12:49
| To: astro-photo@seds.org
| Subject: [APML] OT:Photoshop question
|
|
| I'm constantly amazed at the amount of general Photoshop "skills"
I've
| learned from all'ya'all, things that can be applied not only to
| astrophoto but your run of the mill photos as well.
|
| With that in mind I have a question about reducing the amount of sun
| glare/reflection off of a metallic surface.
|
| You can see an example of what I'm talking about at
| http://www.manetheren.net/graphic_display.cfm?ID=15
| And
| http://www.manetheren.net/graphic_display.cfm?ID=16
|
| I'd be thankful for any help
|
| Scott Casper
| http://www.manetheren.net
| http://www.manetheren.net/gallery.cfm?g=1 (Lunar Gallery)
|
|
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