This special film is possible without danger to the eyes with a pair of binoculars to look directly paid to the sun, there to observe sun spots or solar eclipse.
The tear-resistant, CE-approved film with a filter factor of more than 100,000 (optical density of 5) reduces the amount of sunlight at least 99,999%.
Format 20x29 cm, with detailed instructions for building reliable binocular and telescope solar filters.
Product safety information
Manufacturer information:
Astromedia
Im Wirrigen 30
Waltrop, Deutschland, 45731
info@astromedia.de
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