(meteorobs) Glass domes (was "Whizzer" - magnified and dissected)

Mark Bowling minador at yahoo.com
Thu Jan 5 18:41:17 EST 2012

Edmund Optics has some glass domes available.  Small but still relatively pricey.  http://www.edmundoptics.com/products/displayproduct.cfm?productid=3147
Has anybody used these or have an opinion?
Mark B.
Vail, AZ

From: Jim Wooddell <nf114ec at npgcable.com>
To: Meteor science and meteor observing <meteorobs at meteorobs.org> 
Sent: Thursday, January 5, 2012 10:38 AM
Subject: Re: (meteorobs) "Whizzer" - magnified and dissected

Hi Thomas,

Yes the acrylic dome is a killer, for sure.  Most lens makers can supply 
specifications on the warping created by the lens.
Sunex, for example, even has a program  called Dewarper to straighten out 
warping issues on specific lenses they make.  So, with the plastic cover, it 
just compounds the issues and  true optical dome covers are 

I have seen flower arrangements that use a glass dome/cover to protect the 
flowers.  I wonder if these might be any good or just better than the 
plastic domes???


Jim Wooddell

----- Original Message ----- 
From: "Thomas Ashcraft" <ashcraft at heliotown.com>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: Monday, January 02, 2012 10:15 AM
Subject: (meteorobs) "Whizzer" - magnified and dissected

> It would be nice to have a research-grade optical quality glass dome
> that the camera images through instead of the dense acrylic dome which
> is somewhat distorting.

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