CPL filter extension arm?
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Old 11-29-2016   #1
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Default CPL filter extension arm?

I have a 49mm CPL filter that has a very handy extension "handle" on it that makes it very easy to adjust. Rather that trying to turn the hard-to-reach ring (for a guy with big, thick fingers!) this filter has a small (about 3/4") protruding handle on it. I love this thing and HATE it when I have to use a CPL of 52mm or larger because of the difficulty of turning it to the proper position.

So.... my question is.... do any of you know a source for these handy little filters? Tried eBay and Amazon with no luck.

Thanks in advance for a shove in the right direction.

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Old 11-30-2016   #2
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Default Re: CPL filter extension arm?

I would be interested in this.
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Old 12-06-2016   #3
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Default Re: CPL filter extension arm?

IIRC polarizers with handles were mainly from Tiffen.

If you already have such a polarizer, but have set it
aside due to belief that you need a circular polarizer
for all modern cameras, perhaps you should double
check that belief. Live view cameras do NOT require
circular polarizers, SLRs in live view mode likewise.

Also, depending on your working procedure, you do
not need a circular polarizer even for cameras that
would benefit from them. There are no cameras that
NEED circular polarizers. It's your working procedure
that may or may not benefit, but as far as the actual
image formed and recorded THRU a polarizer, linear
polarizers have no negative or problematic effect on
any camera. Circular polarizers are needed if certain
convenience features are to function as desired. But
as to imaging ability, all cameras, old and new, film
and digital, can shoot the same images with either
type of polarizer in use.
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Old 12-13-2016   #4
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Default Re: CPL filter extension arm?

Perhaps the main reason that Kodak and others provided a "handle" on polarizing filters was to permit rotating the filter for maximum darkening of skies without having to look through the filter. The angle of the shadow cast by the handle gave the photographer this information. Also, sometimes numbers were inscribed around the edge of the filter. The photographer could rotate the filter while holding it to his eye, and then rotate it on the camera to the same orientation.


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