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Baader Planetarium O-III Nebula Telescope Filter

Item# AAS010
 
5.0

(10 Ratings)

Customer Q & A
1. Filter Size:
1.25 Inch O-III Nebula Filter
2 Inch O-III Nebula Filter

Price:

$99.00 to $167.00

List Price: $99.00 to $167.00
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Details & Dimensions
Guarantee & Returns
  • Available in 1.25" or 2" format options
  • A great filter for the majority of nebula
  • The Veil, Lagoon, Swan, and Ring
  • Combine with the UV/IR filter for ultimate O-III imaging
  • Exceptional Baader quality

Description

Delivers the absolute highest contrast views of many diffuse and planetary nebula. For many objects, the Baader O-III reveals a level of intricate detail that rivals the best deep sky photographs. Our favorite filter for the majority of nebula, especially The Veil, Lagoon (M8), Swan (M17), Ring (M57) and Dumbell (M29). With a large scope, you can even view the famous 'Pillars of Creation' in M16 (Eagle).
The Baader O-III perfectly isolates the two doubly ionized oxygen lines (496 and 501nm), through a very sharp and narrow bandpass (8.2 nm wide!, the narrowest of any O-III filter). Unlike other O-III filters, the Baader O-III completely blocks longer and shorter wavelengths (ever wonder why some O-III filters appear RED?, instead of the correct 500 nm Teal color). The result is the highest contrast achievable in an O-III filter.


 

The O-III benefits from the precision fineoptically polished flat substrate, and advanced DWDM plasma assisted coatings. As a result, the Baader O-III will not degrade image sharpness or impart double images. To prevent deterioration from cleaning or exposure to moisture, some other filters even resort to sandwiching their delicate coatings between two layers of filter glass, resulting in potential blurred or double images. Contrary to myth, nebula filters are often useful at high magnifications, where image quality counts. Baader O-III filters can take high magnifications, and stars retain their pinpoint sharpness, even if the filter is used far ahead of the image plane (ie, for imaging use, or ahead of a star diagonal or binoviewer). Combine with our UV/IR filter for the ultimate in O-III deep sky imaging.
CHOKING HAZARD - small parts may pose a risk to children under 6 yrs.

Shipping Restrictions:
Only ships in contiguous USA.

Dimensions & Specifications

Size

1.25 Inches , 2 Inches

Warranty

2 Year Manufacturers Warranty

Type

Oxygen III Filters

Brand

Baader Planetarium

Telescope Accessories Series

Filters

Options

Filter Size:

Baader Planetarium O-III Nebula Telescope Filter
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The Perfect Accessories

Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Baader Planetarium O-III Nebula Telescope Filter
 
4.8

(based on 10 reviews)

Ratings Distribution

  • 5 Stars

     

    (8)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Great optics (5)
  • Easy to use (4)

Cons

    Best Uses

    • Astronomy (6)
      • Reviewer Profile:
      • Casual/ recreational (4)
      • Was this a gift?:
      • No (5)

    Reviewed by 10 customers

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    Displaying reviews 1-5

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    5.0

    Top Shelf Views

    By Donna

    from CHARLESTON,WV

    About Me Avid Adventurer

    Verified Buyer

    Pros

    • Easy To Use
    • Great Optics

    Cons

      Best Uses

      • Astronomy

      Comments about Baader Planetarium O-III Nebula Telescope Filter:

      This filter was purchased to replace a lesser quality one from another well known manufacturer. It performs beautifully with my 8" SCT, but I would refrain from using it with smaller scopes as dim views would result. Baaders reputation remains intact- great filter.

      • Was this a gift?:
      • No
       
      5.0

      Perfect

      By Steve

      from St. Williams,ZZ

      About Me Professional Guide

      Verified Buyer

      Pros

      • Easy To Use
      • Great Optics

      Cons

        Best Uses

        • Astronomy
        • Astrophotography

        Comments about Baader Planetarium O-III Nebula Telescope Filter:

        Perfect condition in perfect working order. Very impressed.

        • Was this a gift?:
        • No
         
        5.0

        Yes... a Filter Worth owning

        By Traderjohn7

        from Pittsburgh

        About Me Casual/ Recreational

        Verified Reviewer

        Pros

        • Good Threads
        • Great contrast
        • Narrow Band Should Be

        Cons

        • Could have a Heavier Ring

        Best Uses

        • Lagoon Was a Treat

        Comments about Baader Planetarium O-III Nebula Telescope Filter:

        There were other 2" OIII filters that I have owned and sold. I though they were too expensive for the handful of viewing applications ..However this Baader was much less than my previous brands .I feel the Baader is worth the money! I recommend the 2" with at least a 10"> primary.

        • Was this a gift?:
        • No

        (6 of 6 customers found this review helpful)

         
        5.0

        Get this filter before a UHC-S

        By Galaxy Hunter

        from Colorado Springs, CO

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Easy To Use
        • Great Optics
        • Widely Compatible Adapter

        Cons

          Best Uses

          • Astronomy

          Comments about Baader Planetarium O-III Nebula Telescope Filter:

          After reading so much literature about what filter to get for Nebula viewing, I opted for the UHC-S first. While it does improve some planetary nebula, I still couldn't see much of the gas clouds out there. I was very frustrated. I finally saved up for this OIII filter and WOW, what an incredible difference. Not only was it better than the UHC-S on planetary nebula, but suddenly the whole of nebulae opened up to me. Two nebulae I have struggled to see in the past, the Veil and Eagle, were suddenly vivid and beautiful. The Dumbell nebula (M27) really looked like the hourglass shape, and all planetary are now within my grasp. I use this filter with my Nexstar 8SE and Hyperion eyepieces, a perfect combination to finally see those elusive nebulae. Forget the UHC-S and go with this first! You will see more in greater detail.

          • Was this a gift?:
          • No

          (2 of 2 customers found this review helpful)

           
          4.0

          OIII BAADER 2

          By charlie

          from Portland, OR

          Verified Buyer

          Pros

            Cons

              Best Uses

                Comments about Baader Planetarium O-III Nebula Telescope Filter:

                I find the BAADER OIII 2" Filter to be well made and received with no damage or faults. I have not had time yet to observe with it but know it has gotten high marks for contrast by established observers. One thing that is apparent though is the filter threads are at least not standard with UO MK-70 40 mm eyepieces. Also, the filter does not thread on well to an older UO 30 MM Erfle. I get about 1/2 turn on threads before they start to bind. I have not forced. This will be enough to test and evaluate filter substrate. BAADER needs to indicate what threat pitch or types of eyepieces their filters will thread into.

                • Was this a gift?:
                • No

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