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Orion Telescopes

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1.25" Orion Variable Polarizing Filter
$39.99
 
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  • The Orion Variable Polarizing eyepiece filter acts like a dimmer switch for your telescope, to tone down brightness and accentuate contrast of bright celestial objects
  • Gives you much finer control of the image brightness compared to a standard fixed-transmission telescope eyepiece filter for optimal performance
  • Adjust the amount of light transmission from 1% to 40% by rotating the eyepiece filter housing
  • Consists of two high-grade glass polarizing filters in an 1.25" rotating anodized aluminum cell
  • Threaded for use with any Orion 1.25" telescope eyepiece equipped with filter threads


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Item #  05560
Mfg Model #  05560
The Moon is one of the most enticing targets to view in the night sky. Thanks to its big, bright appearance and intriguing landscape features, the Moon is a favored sight by amateur astronomers all over the world. The Moon is in fact so bright with reflected sunlight, especially during a Full Moon, that it can overwhelm astronomers with distracting and view-degrading glare. The specialized 1.25” Orion Variable Polarizing Filter for 1.25” telescope eyepieces provides an elegant solution by toning down the brightness of the lunar surface so you can enjoy optimized contrast in each and every view of our nearest neighbor in the solar system.  

This versatile 1.25" Orion Variable Polarizing Filter acts like a dimmer switch for your 1.25” telescope eyepiece, toning down the brightness of the Moon and even planets to a comfortable level. Not only does this dimming provide a more comfortable view, it also helps to enhance contrast of interesting lunar features such as mare (or “seas”), mountains, valleys, and of course all those stunning craters. Reducing the overall brightness of the Moon helps reveal more surface details so you get the most out of each view.

The 1.25” Orion Variable Polarizing filter consists of two high-grade glass polarizing filters securely held in a rotating telescope eyepiece filter cell that allows you to vary the amount of light transmission over a wide range from 1% to 40%. Such control is highly desirable for lunar observing because the Moon’s brightness varies with its phase and with the aperture and magnification of the telescope you are using. For example, to view the Full Moon with any degree of clarity would require a significant amount of dimming, closer to the 1% transmission limit. On the other hand, when the Moon is a thin, waning crescent in the night sky, you’ll get the best results with minimal darkening, closer to 40% transmission. The Variable Polarizing Filter won’t change the Moon’s natural color, so your views will simply be optimized, not altogether altered.

Variable Polarizing Filter

The anodized aluminum eyepiece filter cell threads into the barrel of any Orion 1.25" telescope eyepiece, and fits most other brands of telescope eyepieces too. Includes a durable plastic storage case.

Get the 1.25” Orion Variable Polarizing Filter today and see fine surface details of any phase of the Moon like never before!

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Product Support
Visit our product support section for instruction manuals and more
  • Thread size
    28.4mm
  • Filter use
    Lunar
  • Warranty
    One year

Orders received by noon Pacific Time for in-stock items ship the same business day. Orders received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

1.25" Orion Variable Polarizing Filter
Rating??
4.9 / 5
4.9 / 5
Open Ratings Snapshot
Rating Breakdown 11 Reviews
5 stars
10
4 stars
1
3 stars
0
2 stars
0
1 star
0
Optical Quality??
4.8 / 5
4.8 / 5
Mechanical Quality??
4.5 / 5
4.5 / 5
Fit??
4.7 / 5
4.7 / 5
Value??
4.7 / 5
4.7 / 5
6 out of 6(100%)reviewers recommend this product.
11
11 Would you like more contrast and less glare while viewing the moon and bright planets? The 1.25" Orion Variable Polarizing Telescope Filter reduces both and brings out details. And you can adjust the amount of light transmission for the perfect view.
Rating??
4.9 / 5
4.9 / 5
Open Ratings Snapshot
Rating Breakdown 11 Reviews
5 stars
10
4 stars
1
3 stars
0
2 stars
0
1 star
0
Optical Quality??
4.8 / 5
4.8 / 5
Mechanical Quality??
4.5 / 5
4.5 / 5
Fit??
4.7 / 5
4.7 / 5
Value??
4.7 / 5
4.7 / 5
6 out of 6(100%)reviewers recommend this product.
Product reviews
Click on filters to refine your results.
Ratings summary
Rating??
4.9 / 5
4.9 / 5
Open Ratings Snapshot
Rating Breakdown 11 Reviews
5 stars
10
4 stars
1
3 stars
0
2 stars
0
1 star
0
Optical Quality??
4.8 / 5
4.8 / 5
Mechanical Quality??
4.5 / 5
4.5 / 5
Fit??
4.7 / 5
4.7 / 5
Value??
4.7 / 5
4.7 / 5
6 out of 6(100%)reviewers recommend this product.
Click on filters to refine your results.
Product ReviewsWrite A Review
Rating??
5 / 5
5 / 5
Glad for the variability!
PostedOctober 20, 2010
Customer avatar
Allen C
 
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As a newcomer to astronomy, I'm glad I got this one right! Being able to adjust the brightness while viewing the different lunar phases has been a treat, and it works great with Jupiter as well. My only slight complaint is the bluish color I get when using the filter at its darkest setting, but I suppose that should be expected. I'd recommend this filter to anybody planning to point their scope at our nearest neighbor, so as not to go half-blind!
+4points
4of 4voted this as helpful.
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Rating??
5 / 5
5 / 5
Excellent eyepiece for lunar viewing
PostedFebruary 11, 2012
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Kozman
 
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from??Toledo, Ohio
Owned this product for:Less than 3 mos
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
Lunar brightness is like a dimmer switch away. This eyepiece is very much needed with any telescope aperture. View any phase of the moon and actually see more detail. No more, full moon, headache viewing. Bottom half can be threaded into eyepiece as usual, while positioning top half inside the rubber eye guard. A sight turn of only the top half you can fully adjust polarized transmission to you likeness.
Favorite viewing location:??large open field at a state park.
Favorite object to observe:??deep space, galaxies and nebulas
Yes, I recommend this product!
+2points
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Rating??
5 / 5
5 / 5
A necessary filter for viewing the moon
PostedFebruary 8, 2012
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GEO D
 
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from??New Middletown, Ohio
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
Put the filter together and threaded it into an eyepiece. Fit like a watch. Will try it out in the spring when I can get outside.
Favorite viewing location:??Backyard
Favorite object to observe:??Of course Saturn and many galaxies/nebulae
Pros: variable adjustment
Cons: none
Yes, I recommend this product!
0points
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Rating??
5 / 5
5 / 5
Essential for the moon
PostedOctober 17, 2011
Customer avatar
Anonymous
from??Berwyn, PA
Owned this product for:3 mos - 6 mos
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
4 / 5
4 / 5
With a large aperture telescope, looking at the moon can be painful and all contrast is lost. So some level of filtering is essential.
These come has two separate filters that you screw together. After that, the motion is smooth to rotate from 0-40% transmission. Although more expensive than the fixed 13% neutral density filter, these are far better. As the moon waxes or wanes, you will want a different level of filtering. Even on the same night, adjusting the transmission allows you to see different features, especially at high magnifications. I also use this on Jupiter, which would not work with the 13% fixed filter.
Favorite viewing location:??backyard
Yes, I recommend this product!
+5points
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