Solar filter for binocs??
Posted 29 October 2003 - 01:54 PM
Posted 29 October 2003 - 04:15 PM
Posted 17 November 2003 - 10:09 PM
Posted 17 November 2003 - 10:37 PM
Also, Baader solar film is relatively inexpensive and easy, and gives a nice solar image. It comes with instructions on how to make safe solar filter cells with the material.
Posted 17 November 2003 - 11:38 PM
Posted 19 November 2003 - 09:37 PM
Posted 20 November 2003 - 10:26 AM
The filters work great, however, the sun looks white and the sky is ink black as opposed to some glass solar filters that give the sun an orange or gold look.
There are cautionary notes that come with the filter material, such as checking for pinholes and observing tips (never, never point binoculars, or a scope for that matter, at the sun for direct observing without proper filtering).
There was enough Baader AstroSolar Safety Film in the package I purchased (I believe it was the A4 size) for a pair of filters for my 60mm binos with enough left over for my 60mm refractor.
Construction of the filter cells was relatively easy with materials I had here at home. Probably the hardest part is minimizing ripples in the filter material during final assembly. However, the few ripples I have do not effect the final views.
Again, I would CAUTION anyone planning to do direct solar viewing to use APPROVED solar safety filter material or purchase purpose-built solar filters.
Posted 26 December 2003 - 04:15 PM