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AstroZap Visual Baader Solar Filter for 215 mm - 225 mm OD Telescopes - AZ1014-2

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Item #ASTZ-AZ1014-2

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  • $118.80
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  • Solar filters made with Baader AstroSolar™ 18Ga. film
  • Aluminum, powder-coated filter cell for durability
  • Neutral color balance enables use of color filters
  • Secures onto telescope with 3 thumbscrews
  • Measure telescope outside diameter to assure proper fit
Questions? Let our experts help!
  • Description

    To ensure that the solar filter you buy will fit properly, please take a few moments and measure the outside diameter of your telescope, spotting scope or binoculars before you order. Remember, the solar filter needs to fit snugly around the front of the tube assembly that holds the optics. If the filter is slightly larger than its diameter, the filter can be made to fit by the addition of self-stick felt spacers to the inside of the cell. However, if the filter is too small it will not fit, and that would be a shame. So please, measure before you order. Thanks.



    AstroZap Baader Film Solar Filter
    for 215 mm - 225 mm Telescopes

    All of AstroZap's solar filters have been designed in Germany and approved for eye safety by the National Bureau of Standards. The solar filter features the highly regarded Baader AstroSolar film so you can enjoy stunning views of sunspots and solar eclipses.

    Astrozap mounts the AstroSolar film in an aluminum cell that is sized for 215 mm - 225 mm telescopes.  To install, you simply slide the filter cell over the end of your telescope and tighten the three thumbscrews so that the filter is firmly attached to your telescope.  With the filter securely in place, you can look at the Sun through a standard eyepiece.  Just remember not to look through your finderscope unless it has its own little filter installed!  Most observers remove their finder altogether so as not to be tempted in the first place, since it is relatively easy to center the Sun in your eyepiece once you've learned a trick or two.

    When viewed through an Astrozap solar filter,  the Sun appears neutral white. Other films and some glass filters produce a blurry bluish or reddish solar image, thereby cutting out part of the spectrum. Especially with an orange sun, it is very hard to see faculae regions which are visible predominantly in the blue part of the spectrum.

    Due to it's neutral color balance, the use of an Astrozap Baader Solar Filter enables the use of various color (or interference) filters, allowing the observer to concentrate on certain spectral passbands for investigations of different layers within the solar "atmosphere".

    Eye safety

    AstroSolar™ is essentially free from pinholes, since - other than with even the most expensive glass filters - it is coated on both sides, so that the chance of two pinholes overlapping each other is extremely faint. Pinholes do appear, but to 1 out of 10000 only in optical density 2.5! Baader AstroSolar™ safety film has been approved for eye safety by the National Bureau of Standards in Germany, the PTB. Unlike any other Solar Filter on the market, AstroSolar™ is CE-tested according to EG-Norm 89/686 and EN 169/92 ( notified body 0196). All processes connected to this product have been thoroughly tested. Coatings are inspected constantly for consistency to ensure your eye safety!

    Sizing your solar filter

    Each solar filter is designated in two ways—by the typical telescope or aperture it was designed for, and by the outside diameter range of the telescope it will fit.  Before you order your solar filter, take a minute and measure the outside diameter (OD) of your telescope so that you can be sure you are ordering the right one.  Each filter has 10mm of wiggle room.  Three thumbscrews are provided to snug up the fit.  

    Once your solar filter arrives, slip it over the end of your scope and tighten the thumbscrews to make sure it fits properly.  This is important, as an ill-fitting solar filter is not something you want to mess around with.  If the filter does not fit, or you have any other concerns, contact our sales department and we will work with you to solve the problem.  Don't wait until that once-in-a-lifetime solar eclipse to find out your solar filter doesn't fit!

    Supplier SKU

    AZ1014-2

    What's Included

    • AstroZap Solar Filter for 215 mm - 225 mm Outside Diameter Optical Tubes

    • Fastener Hardware

  • Dimensions & Specifications

    • Type of Solar Equipment: Solar Filters - White Light - Solar Film

    • Emission Line: White Light

    • Filter Fits OD Diameter Range: 215 mm - 225 mm

    • White Light Solar Filter Material: Baader AstroSolar Safety Film

    • White Light Filter Full Aperture or Off-Axis: Full Aperture


  • Product Guarantee

    We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.

    Manufacturer Warranty

    This product has a 1 year manufacturer's warranty against defects is provided. If you have specific questions about this product's warranty please contact Astrozap's Customer Service department at 216-334-1622.

    Return & Exchange Policy

    At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.

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