Edward E
member
Reged: 03/26/06
Posts: 52
Loc: Tucson
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I need to get a red filter for my laptop screen. Has anyone used both the 1/8" thick red acrylic and the "Rubylith" plastic sheets? Which works better? if any difference. From my reading it seems that the red acrylic is better from a maintenance perspective and is more durable. What do you think?
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bicparker
Pooh-Bah
Reged: 02/07/05
Posts: 1433
Loc: Plano, TX
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The acrylic or plexiglass is also generally darker than the Rubylith, which is especially good these days since most LCD displays are much brighter than they were even just 2 years ago.
They are easier to mount and maintain.
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Bic Parker
17.5" f/5 dob
10" f/10 SCT
5" f/8 refractor
80mm f/6 refractor
66mm f/6 refractor
Plus a few others out of the rotation
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Rusty
Postmaster
Reged: 08/06/03
Posts: 16329
Loc: Brooker, FL
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I agree with Bic - having used both, I prefer the acrylic. I use rubylith on my PDA.
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N11GPS Fastar
TOA-130S
MK66 Std
Vintage C5
Megrez II 80mm ED Triplet APO
SolarMax 40
NJP Temma II
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ST8XE/CFW-8(LRGBHa)/AO-7/DF-2/STV Dlx/ST237a/350D (Unmodded)/Mallincam Color Hyper Plus/DSI III Color/DSI II Pro
Two not-spoiled Golden Retrievers - Maggie and Casey
Sometimes I think we're alone in the universe, and sometimes I think we're not. In either case the idea is quite staggering. - Arthur C. Clarke
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Peter Argenziano
Watcher of the Skies
Reged: 11/11/03
Posts: 2801
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Another vote for acrylic. Both offer equal darkening, but the acrylic is so much more durable.
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Peter
14.5" Starmaster
I hail from the explosive jetsam of a multitude of high-mass stars that died more than 5 billion years ago.
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thewolf
member
Reged: 02/24/05
Posts: 78
Loc: Holland Mich
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Another vote for acrylic.
I have to agree that the acrylic is so much more durable.
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groz
professor emeritus
Reged: 03/14/07
Posts: 540
Loc: Duncan, BC
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We use 'rubylith', which the print shop we got it from calls 'red acetate'. It's far superior to trying to work with red cellophane.
We are a bit 'lucky' in that we have an 'underutilized' retired grandmother in the vicinty, who likes to sew. She sewed up some wonderful sleeves with the rubylith on the front, and backed by some sort of felt like material. It works great, just slips over the laptop screen, fit's like a glove, and is tight enough there's no light leakage a the bottom. When we left on our 'star party vacation', we had two for each of the computers along (I had 3, chris had one). When we got home, we had none of the spares left, at the events folks snatched up our spares to 'solve' bright laptop screen problems.
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DeanS
sage
Reged: 07/12/05
Posts: 471
Loc: Nicholasville, Kentucky
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The nice thing about the acylic is it fits flat against your screen which allows you to get better focus than a film which may be wavy.
I use a high tech way of mounting, rubber bands 
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8" LX200gps
AP1200GTO Mach1GTO
FS-60C Tak E160 C9.25
SXV-H9 ST2000XM STV
Meade 12" Lightbridge
Moonlite Focusers
www.doghouseastronomy.com
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Poochpa
sage
Reged: 02/12/05
Posts: 426
Loc: Buffalo Burbs, NY
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Where do I find red acrylic and what thickness should I get?
Thanks.
Mike
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Televue NP101
Vixen GPDX/Skysensor 2000PC
Meade 8" LX200GPS
Stellarvue Nighthawk II
WO Zenithstar 66SD
Canon Rebel XSi
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Edward E
member
Reged: 03/26/06
Posts: 52
Loc: Tucson
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Here is a company that was recommended by the folks on the ATM newsgroup. 1/8" seems to be the preferred thickness. The company will cut the Acrylic to size.
http://www.tapplastics.com/shop/product.php?pid=341&
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Edward E
member
Reged: 03/26/06
Posts: 52
Loc: Tucson
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I have seen that at the musical instruments/concert supply store. It's used for stage lighting effects. It looked like it might be more durable than the Rubylith. Does it wrinkle easily?
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DeanS
sage
Reged: 07/12/05
Posts: 471
Loc: Nicholasville, Kentucky
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Astro Gizmos sells various sizes to fit most laptops. I got mine at a star party but they also have a website.
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8" LX200gps
AP1200GTO Mach1GTO
FS-60C Tak E160 C9.25
SXV-H9 ST2000XM STV
Meade 12" Lightbridge
Moonlite Focusers
www.doghouseastronomy.com
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thewolf
member
Reged: 02/24/05
Posts: 78
Loc: Holland Mich
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I got my red acrylic from.
http://www.sloanswoodshop.com/acrylic%20sheets.htm
They have 1/8" and 1/4" thick sizes.
--------------------
Welcome To Our World
Astro Links - Submit Your Site
http://www.astro-nut.net
http://www.russ-sue.com
http://www.ourtank.com
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Poochpa
sage
Reged: 02/12/05
Posts: 426
Loc: Buffalo Burbs, NY
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How would I mount the acrylic sheet where the laptop lid's latch hooks stick out from the top edge of the lid?
Mike
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Televue NP101
Vixen GPDX/Skysensor 2000PC
Meade 8" LX200GPS
Stellarvue Nighthawk II
WO Zenithstar 66SD
Canon Rebel XSi
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thewolf
member
Reged: 02/24/05
Posts: 78
Loc: Holland Mich
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I had sort of the same problem
I cut it to fit INSIDE the lip
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Welcome To Our World
Astro Links - Submit Your Site
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thewolf
member
Reged: 02/24/05
Posts: 78
Loc: Holland Mich
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I used Velcro on the bottom
To hold in place
Its the white strip on the bottom of the screen
--------------------
Welcome To Our World
Astro Links - Submit Your Site
http://www.astro-nut.net
http://www.russ-sue.com
http://www.ourtank.com
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Edward E
member
Reged: 03/26/06
Posts: 52
Loc: Tucson
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Thank you for all the great info. I will go with the acrylic from Astro Gizmo. The laptop red screen cozy is very nice too. Now just one more part for my C11 to make my system complete.
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