Baader Planetarium Dielectric Mirror Telescope Diagonal with ClickLock - CLDIAG-2

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Baader Planetarium Dielectric Mirror Telescope Diagonal with ClickLock - CLDIAG-2 has a rating of 5.0 stars based on 7 reviews.


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  • The Baader Clicklock Diagonal includes an oversized 2" dielectric 1/10 wave mirror
  • Baader's Dielectric coating for 99% reflectivity
  • Largest possible clear aperture for widefield applications
  • Smooth outer shape without sharp corners
  • Baader ClickLock 2" Clamp for ultrafast clamping action
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  • Description

    Baader Planetarium 2 Inch Dielectric Diagonal 


    With their ground-breaking introduction several years ago of the all-dielectric 2" Dielectic star diagonal, Baader Planetarium brought mirror star diagonals into the 21st century.  The new 2" Clicklock Star Diagonal takes this innovation another step further.  Like its predecessor, the 2" Clicklock Star Diagonal uses the proprietary Baader Dielectric mirror coatings.  The Baader coating process eliminates the Achilles Heel that has plagued other all-dielectric mirror coatings - normally the multi-layer coating results in high surface stresses that  cause a star diagonal's mirror to warp as much as 1/2 wave, ruining the figure and distorting the optical wavefront.  Baader's proprietary coating process maintains the 1/10 wave mirror surface accuracy - After Coating!  


    Baader's Dielectric coatings deliver an amazingly high 99% photo-visual reflectivity along with an extremely hard durable surface.  The Maxbright mirror coatings will last lifetimes without losing reflectivity, and may be cleaned with normal care, without fear of scratches.  The precision mirror is also oversized, and combines with the large ID nosepiece to pass the largest image cone possible in a 2" format. 


    The new 2" Clicklock non-marring eyepiece holder delivers the same acclaimed simplicity and security as its smaller 1.25" Clicklock cousin.  With an effortless twist of the rubber knurled ring (which also includes a convenient fingertip lever) , the clicklock holder clamps 2" eyepieces so securely you can lift your scope with them.  The unique action utilizes 3-point clamping which positively and accurately  locks 2" eyepieces without any of the wobbling and misalignment that can occur with single point clamps. 


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  • Dimensions & Specifications


    Baader Planetarium

    Telescope Accessories Series



    2 Year Manufacturers Warranty

  • 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 2 year manufacturer's warranty against defects is provided. If you have specific questions about this product's warranty please contact Alpine Astronomical's Customer Service department by email at service@alpineastro.com.

    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.

  • 5.0 Stars

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