Baader AstroSolar PHOTO Film OD3.8 - A4

Used for digital solar imaging at highest magnifications and short exposure times. Not suitable for visual observation.

• AstroSolar Photo Film (imaging only) 20x30cm, telescope quality, Optical Density OD = 3.8
• Digital solar imaging at highest magnifications and short exposure times. Not suitable for visual observation
• This highest precision film consistently produces strehl ratios of 94 to 96 percent at interferometric tests – thus it performs optically like a Fluorite Triplet Lens by Carl Zeiss or Astro Physics
• AstroSolar Photo Film OD 3.8 is only intended to be used by well-experienced Astro-imagers. This material is not intended to serve for protection during visual solar observation.

You should never point unfiltered telescopes or binoculars directly at the sun.  This could result in permanent blindness. This product should therefore be used very carefully!