Olympus-OM
[Top] [All Lists]

Re: [OM] Variable ND filter

Subject: Re: [OM] Variable ND filter
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sat, 01 Jun 2013 10:00:27 -0400
As Ken mentioned, the problem with polarizers is the highly variable 
effect on wide angle views... something your telescope doesn't have to 
worry about.  :-)

Chuck Norcutt


On 5/30/2013 6:04 PM, Chris Trask wrote:
>>
>> Can anyone recommend one for occasional use ?
>>
>
> I have a variable ND filter for 1.25" telescope eyepieces.  It
> consists of a pair of linear polarisers, one fixed and the other
> rotated.  Works damned well, almost darkening the moon completely.
>
> Which reminds me:  Things are always darkest just before they turn
> pitch black.
>
>
> Chris
>
-- 
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz