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1.25" Orion V-Block Anti-Fringe Eyepiece Filter
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1.25" Orion V-Block Anti-Fringe Eyepiece Filter
$65.99
 
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Expected Ship Date: 05/30/2012
  • V-Block filter effectively removes the distracting color halos from around bright objects
  • Image sharpness, color, contrast, and resolution are greatly improved when using a V-Block filter
  • 1.25" eyepiece filter helps to improve view quality when observing bright celestial objects
  • Includes hard plastic protective filter case
  • Recommended for use with refractor telescopes


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Item #  05595
Mfg Model #  05595
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When using refractor telescopes, it's normal to see some purple-colored fringing or halos around bright celestial objects. The V-Block filter effectively removes distracting color halos from around bright objects viewed achromatic refractor telescopes. Using a V-Block filter with a refractor telescope can greatly improve sharpness, color, contrast, and resolution of especially bright celestial objects. The Orion V-block filter is intended for both visual and astrophotographic use. 

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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.

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Shipping Info

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.

Reviews
1.25" Orion V-Block Anti-Fringe Eyepiece Filter
Rating??
3.8 / 5
3.8 / 5
Open Ratings Snapshot
Rating Breakdown 6 Reviews
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1
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
1 out of 1(100%)reviewers recommend this product.
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6 The 1.25" Orion V-Block Anti-Fringe Eyepiece Filter effectively removes the distracting color halos from around bright objects. It increases image sharpness, color, contrast and resolution.
Rating??
3.8 / 5
3.8 / 5
Open Ratings Snapshot
Rating Breakdown 6 Reviews
5 stars
2
4 stars
3
3 stars
0
2 stars
0
1 star
1
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
1 out of 1(100%)reviewers recommend this product.
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Ratings summary
Rating??
3.8 / 5
3.8 / 5
Open Ratings Snapshot
Rating Breakdown 6 Reviews
5 stars
2
4 stars
3
3 stars
0
2 stars
0
1 star
1
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
1 out of 1(100%)reviewers recommend this product.
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Rating??
5 / 5
5 / 5
Lunar details/ V-Block
PostedNovember 22, 2009
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James J
 
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Product really woks! Bought it over a year ago for my 120mm Short tube and 120mm long tube refractors. Allows you to see more subtle details while lunar observing. Stars are clearer and works great for planetary viewing. I use mine for skywatches at various state parks, and fellow astronomy club members have purchased several for themselves. Nice job Orion!
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Rating??
4 / 5
4 / 5
Works very well.
PostedJune 19, 2011
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Bill R
 
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from??SW Missouri Ozarks
Owned this product for:Over 1 year
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
5 / 5
5 / 5
Using the Orion V-Block filter on my Meade 102mm, f9 refractor, I have been able to easily see Sirius B despite the brightness of Sirius. The Meade achromat is notorious for its achromatic color, but the V-Block filter has remade this telescope into a fine new tool for me. I was amazed at how it took out practically ALL of the residual color around Sirius, and I was astounded when I easily saw the white dwarf Sirius B close to the main star. Sirius B was very easily seen, despite the glare of Sirius. I think this is about the most critical test I could put the V-Block to, and it really did the job. Thanks Orion, for giving my achromatic refractor a new lease on life. The V-Block is now a permanent fixture on this telescope, and the slight warming color it adds is not really a distracton at all. Lunar viewing has also taken on a new look, with NO color fringing around the moon, and vastly improved sharpness and constrast at high power. It also performs well with a solar filter. I am very satisfied with my V-Block.
Favorite viewing location:??I have now moved to the Missouri Ozarks, and viewing is much better than in the city light polution of SW Florida.
Favorite object to observe:??Sol, Luna, binary stars and the planets.
Pros: a must have for an achromat.
Cons: just a slight warming of the overall view.
Yes, I recommend this product!
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4 / 5
4 / 5
Good on the ST90
PostedMarch 16, 2009
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MtnGoat
 
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I recently picked up a used Orion ST90 (F5.6) and while I am pleased with it's excellent performance with acceptable color aberration for visual use, when imaging with this OTA the brighter field stars show fairly aggressive blue halos. I decided to tryout Orion's Minus V filter with it and I'm very pleased with the results. Visually the chroma aberration is cut drastically, and the imaging performance reflects this. The brighter field stars show only the faintest of blue halos. Imaging the moon yields noticably sharper focus and higher contrast.
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5 / 5
5 / 5
Refractors + Achromatic = V-Block
PostedDecember 18, 2008
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Ray
 
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I will not look at the Moon or Planets without it. The Moon looks HD and Jupiter is more distinct and detailed.
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