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SolarMax 60 H-Alpha Filter/BF30 & T-Max Tuner
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SolarMax 60 H-Alpha Filter/BF30 & T-Max Tuner

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      SolarMax is a series of thermally stable H-alpha filters for installation on the user's telescope. 

      All the filters in this series are thermally stable and mount to the front of of the telescope. 

      They provide very high resolution and give unsurpassed views of the finest of surface details, 

      including plage, flares, filaments, prominences, and granulation when mounted to a good quality telescope.


      This SolarMax60 comes with a BF-30 blocking filter, a secondary interference filter which mounts 

      at the eyepiece end of the telescope. You cannot use the individual units 

      (either the blocking filter or the front-mounted SolarMax's) 

      separately. The BF30 is Coronado's largest blocking filter, providing 30mm of aperture. 

      It also has a tilt plate feature which allows one to tilt the blocking filter, 

      thus optimizing the view. The BF-30 also allows for straight-thru photography. 

      It is optimized to provide a full disc image on telescopes with a focal length of up to 3000mm.


      This filter package also includes a TMax tuner. Here's what Coronado says about that:


      Some events on the Sun, notably active flares and coronal mass ejections (CME's) are extremely 

      fast moving. If such features occur on the disc of the Sun, their high velocity towards 

      the observer results in their wavelength being Doppler-shifted shorter than Ha. 

      If the velocity is high enough, this wavelength could be 

      outside the passband of the filter and the feature would not be observable. 

      The T-Max allows the user to de-tune the SolarMax slightly to bring such phenomena into better visibility. 

      The T-Max fits between the SolarMax and it's adapter plate (sold separately, see options below).

       A simple rotary wheel movement accomplishes the tilt necessary to move the passband of the filter. 

      Because of the filter's position at the front end of the telescope, 

      this does not compromise the performance of the filter nor limit the 

      Ha field of view as is the case with rear-mounted filters.


      The SolarMax 60 has a wavelength of 6562.8A (H-alpha) and a bandwidth of <0.7A, with 60mm of clear aperture.



      Threaded to fit the TeleVue Pronto or TV76, but can fit on other instruments with proper adapter plate (sold separately).



      This package comes with a BF-30 & TMax tuner, and is maximized for scope with a focal length of 3000mm and under.


       

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