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1.25" Orion Mars Observation Eyepiece Filter
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1.25" Orion Mars Observation Eyepiece Filter
Was $49.99
Now $37.49
You Save $12.50
 
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Expected Ship Date: 02/24/2012
  • High-performance observational eyepiece filter markedly improves views of Mars
  • Fully-coated Mars filter increases contrast to bring out subtle details on the disc of the red planet
  • When using the Mars filter on a clear, dark evening you'll see polar ice cap detail, subtle mare shadings, duststorm and cloud activity
  • Eyepiece filter dramatically improves views of Mars even in smaller astronomical telescopes
  • Designed to fit 1.25" telescope eyepieces with filter threads


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Item #  05599
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The custom-designed Orion Mars Observation filter enhances contrast of virtually all surface features. Dielectric coatings transmit violet/blue (<505nm) and orange/red (>615nm) wavelengths where detail is rich, while blocking overbearing yellow/green (515nm-615nm) wavelengths. Polar icecaps appear more sharply defined, and differences in landscape shading are nicely resolved. Polar hazes and cloud cover become visible. The filter's high transmission makes it effective even in small telescopes. This custom-engineered Orion telescope filter comes with a protective plastic case.

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
Specs
  • Thread size
    28.4mm
  • Filter use
    Planetary
  • Warranty
    One year
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 Mars Observation Eyepiece Filter
Rating??
4.5 / 5
4.5 / 5
Open Ratings Snapshot
Rating Breakdown 8 Reviews
5 stars
5
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1
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0
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5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
3 / 5
3 / 5
1 out of 1(100%)customers recommend this product.
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8
8 Do you want more detailed views of Mars through your telescope? This 1.25" Orion Mars Observation Telescope Filter increases contrast to bring out subtle details, dramatically improving views even in smaller astronomical telescopes.
Rating??
4.5 / 5
4.5 / 5
Open Ratings Snapshot
Rating Breakdown 8 Reviews
5 stars
5
4 stars
2
3 stars
1
2 stars
0
1 star
0
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
3 / 5
3 / 5
1 out of 1(100%)customers recommend this product.
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Product reviews
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Ratings summary
Rating??
4.5 / 5
4.5 / 5
Open Ratings Snapshot
Rating Breakdown 8 Reviews
5 stars
5
4 stars
2
3 stars
1
2 stars
0
1 star
0
Optical Quality??
5 / 5
5 / 5
Mechanical Quality??
5 / 5
5 / 5
Fit??
5 / 5
5 / 5
Value??
3 / 5
3 / 5
1 out of 1(100%)customers recommend this product.
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Product ReviewsWrite A Review
Rating??
5 / 5
5 / 5
Works Great
PostedJune 26, 2010
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Jimmy
 
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  • Top 50 contributor
Love it. It pulls out different colors.
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Rating??
4 / 5
4 / 5
also for Jupiter
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??
3 / 5
3 / 5
In addition to the other reviews here, I wanted to add that I have used this on Jupiter to good effect. It brings out the cloud bands without making the overall image seem to be a dramatically different color.
Although some people love all the colored filters, I think you'll find on the forums that most people do not use them much after purchase due to the inconvenience. So if you are going to consider filters for planetary viewing, something like this Mars filter may be a better choice than a host of separate single-color filters.
Favorite viewing location:??backyard
Yes, I recommend this product!
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Rating??
5 / 5
5 / 5
Dramatic view of Mars
PostedFebruary 20, 2010
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Ron K
 
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This filter changes your view of Mars from a glaring white disk to a dramatic view of polar ice caps and surface patterns. I swung the telescope to the Orion Nebula (M42) and found that this filter works well as a neb filter too. Money well spent.
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Rating??
3 / 5
3 / 5
Not as good as a magenta filter
PostedFebruary 11, 2010
Customer avatar
John B
I had used a Wratten number 30 filter on Mars in the 2003 and 2005 oppositions. For 2007 I bought this filter with hopes that it would be even better. It was a disappointment. The Wratten number 30 filter is better. This one has a bit of 'doubling' of the image due to the two band-passes. This filter does give a more natural look than a yellow or orange filter. Unfortunately the 30-s are only available from one seller. you have to also buy a conversion fixture because the filters have non-standard threads. Even so it's cheaper than this filter.
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