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Our E-Series Safety Film Solar Filters are a low cost but completely safe alterna-
tive to our aluminum cell and glass lters. They can be used on telescopes, bin-
oculars, monoculars, cameras and nder scopes to safely view and photograph
the Sun. Unlike some other solar lters, the black/silver polymer used in E-Series
solar lters will provide a pleasing natural yellow-orange image of the Sun. The
actual ltering properties are protected within the polymer itself.
This lter material (ND5 density) transmits less than 0.001% of sunlight through
the telescope. That might not sound like much, but it’s just enough to see the
Sun in its full glory while keeping your eyes safe from its harmful, intense
radiation. Do not use a lter that shows any form of defect, such as pinholes or
scratches. Please contact us for further return instructions. All solar lters are
covered by a limited liability warranty from defects in material and workmanship.
DANGER! Viewing the Sun through any optical instrument without
a correctly inspected and installed solar lter can cause immediate,
permanent eye damage and blindness!
Solar viewing is safe only if you understand the potential dangers and follow all
directions. Read these instructions carefully and save them for future reference.
Do not allow children or inexperienced adults to use the telescope or solar lter
unattended.
How to Size a Filter to Fit Your Telescope or Binoculars
Your solar lter cell ts over the front of the telescope, nder scope, or binocu-
lars. When selecting a lter for your instrument, measure the outside diameter
(O.D.) of the tube where the lter will be installed and choose the lter size with
inside diameter (I.D.) slightly larger than the tube's O.D. Do not choose a lter
the same size as your O.D. This will be too tight and not allow room for the felt
lining that you will use to snugly t the lter to your instrument. You want a snug
t to prevent the lter from accidentally slipping off while in use, which could
cause serious eye damage. One or more strips of adhesive felt are included with
the lter. Cut one or more small strips as needed and apply to the inside of the
lter cell (remove the backing to expose the adhesive) to achieve a secure t.
Using the Solar Filter
1. Check the lter’s optical surfaces for any possible damage before each use.
The view through your telescope should be comfortable and not appear
excessively bright. Stop looking immediately if the view is excessively bright!
2. Keep the front of any nder scope covered if it is not equipped with a solar
lter. Better yet, remove the nder altogether when observing the Sun. An
WARNING: Never look directly at the Sun through your telescope—
even for an instant—without a professionally made solar lter that
completely covers the front of the instrument, or permanent eye
damage could result. Young children should use this telescope only
with adult supervision.
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