Polarizing Filters

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Accessories / Filters / Eyepiece Color (Lunar/Planetary) Filters / Polarizing Filters
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Polarizing Filters
A polarizing filter reduces excessive lunar and planetary image brightness during visual observing. This helps eliminate contrast-reducing glare and irradiation so you can see more faint details. It also makes it easier for you to split close binary stars by reducing glare and diffraction around the brighter star of the binary pair.

These polarizing filter sets consists of two individual 30% transmission polarizing filters in a special adapter for use in both Schmidt- and Maksutov-Cassegrain scopes. Reflectors and refractors generally do not have enough focuser in-travel to use these sets. By rotating one filter in the adapter, while the second remains fixed, differing degrees of glare reduction (from 5% to 25% light transmission) can be obtained, without altering the colors of the subject.

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variable polarizer for imaging with 3.5' and 7' Questars
 
Questar - variable polarizer for imaging with 3.5" and 7" Questars 
Our Product #:  19276
Questar #: 19276

In Stock: Usually ships within one business day.
This Questar variable polarizing assembly allows you to control the effective f/stop of a Questar telescope during terrestrial and lunar prime focus imaging.

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$465.00



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#905 variable polarizing filter
 
Meade - #905 variable polarizing filter 
Our Product #:  905
Meade #: 07286

In Stock: Usually ships within one business day.
Consists of two 30% transmission polarizing filters mounted in an adapter tube that fits into a 1.25" star diagonal. One filter is fixed at the bottom of the #905 tube and the other is mounted within the tube and is free to rotate. A 1.25” eyepiece slips into the top of the #905 tube and is held in place by a thumbscrew. The light transmission through the filter is varied over a 5% to 25% range by . . .

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$49.95
List Price: $99.00



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