Magnetic SolarFilter 2-part

Magnetic SolarFilter 2-part

Description

Sun Filter for solar filter foil, for small refractors like Lacerta 72/432mm and similar, or smaller telescopes. It's made of two main parts: 1.) Base-part: connection to telescope 2.) Filter-top: (two filter top rings) between two top parts the foil will be attached Base and Filter part are connected via magnets. I use magnets with 5 or 6mm diameter and max. 2mm height (take a look to the pictures below). Advantage with the magnets: During a total solar eclipse, when the totality has been started, you can easily remove the filter to make pictures of the visible corona and prominences. And you can easily fit the filter in front of the telescope again. In addition, for all the "non solar eclipse days" you can use the magnet holder system to provide a filter top with e.g. ND5.0foil for watching and ND3.0 foil for photography. The base part can be attached, fixed and centered on the telescope lens hood with three M5 screws, through "Ruthex" threaded inserts. Attention: Never watch the sun without a filter made for that like Baader solar filter foil!!! Check the solar filter for damage before each use! If you don't know what to do exactly, ask a local amateur astronomer or person with knowledge about that!

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DIY