CELESTRON 94220 EclipSMART Solar Filter Instruction Manual
- June 9, 2024
- Celestron
Table of Contents
CELESTRON 94220 EclipSMART Solar Filter
SOLAR FILTER
#94220 for Power Seeker 60AZ and 60EQ
#94221 for Power Seeker 70AZ, 70EQ, Travel Scope 70, and Inspire 90
#94222 for Power Seeker 127EQ, Nexstar 130SLT, Astro Fi 130, Omni XLT AZ
130, SkyProdigy 130
NOTE: The #94222 is NOT designed for use with AstroMaster 130 models.
The solar filter material used in this product:
- Conforms to and meets the Transmission Requirements of ISO 12312-2, Filters for Direct Observation of the Sun.
- Meets the Transmission Requirements of EN 1836:2005 + A1:2007 (E) for an E15 Filter for the Direct Observation of the Sun.
- Meets the Transmission Requirements of AS/NZS 1338.1:2012, Filters for Eye Protectors. EC Type Examination by: SAI Global Assurance Services Ltd. (Notified Body No. NB2056), MK5 8HJ U.K.
SOLAR WARNING
Even though your Eclip Smart solar filter is equipped with ISO certified material that allow safe direct observation of the Sun, there are still some important rules you should follow when solar observing:
- Never look directly at the Sun with the naked eye or with a telescope unless you have the proper solar filter. Permanent and irreversible eye damage may result.
- Never use a telescope to project an image of the Sun onto any surface. Internal heat build-up can damage the telescope and any accessories attached to it.
- Never use an eyepiece solar filter or a Herschel wedge. Internal heat buildup inside the telescope can cause these devices to crack or break, allowing unfiltered sunlight to pass through to the eye.
- Do not leave the telescope unsupervised, especially when children or adults unfamiliar with the correct operating procedures of your telescope are present.
HANDLING THE FILTER
When handling the filter, hold it by the other edges of the plastic filter cell. Avoid making contact with the filter material. Do not use any cleaning chemicals or brushes to clean this material. If you need to clean dust, use compressed air to blow it clean. Small smudges or fingerprints will have no effect on the performance of the filter. When not using the filter, store the filter in its original box.
INSTALLING THE FILTER
Before installing your filter, remove the protective cap and hold the filter
up to a bright light source to inspect the surface (Figure 1). If you see
holes or damage to the surface of the filter, do not use it. Each filter is
based on the design of your telescope’s lens cap and should fit snugly. Simply
remove the lens cap from your telescope and replace it with the solar filter.
The 60 mm and 70 mm filters fit over the lens shade of the telescope and are
secured in place using the three supplied nylon thumbscrews. Simply insert the
three safety screws into the threaded holes on the side of the filter and
tighten with just enough force to hold the filter securely in place. Do not
overtighten.
The 127 mm filter slides inside of the front cell of your telescope. Spin the
entire cap so that the filter is placed between your secondary mirror’s spider
vanes, free from obstruction. To attach the safety straps, peel the backing
off two of the 1” x 1” self-adhesive Velcro tabs and stick them on opposite
sides of the top surface of the filter (Figure 2).
With the filter installed, use the remaining two 1” x 1” tabs and stick them
on the side of the telescope’s front cell immediately adjacent to the tabs you
placed on the top surface of the filter (Figure 3).
Now use the two 4” long strips to connect each pair of tabs to secure the
filter to the telescope (Figure 4).
For installation on the Inspire 90, you will need to remove the lens shade first by pulling the lens shade straight off the front of the telescope tube. Attach the filter directly to the front of the objective lens cell and use the screws to secure it in place.
REMOVE THE FINDERSCOPE
When observing the Sun, you should always remove the finder scope from the telescope completely. Allowing the Sun to shine through the finder scope will result in a focused beam of sunlight that can cause burns or permanent damage to the finder scope. Never rely on the lens caps to stay secured to the finder scope. Locating the Sun without a finder scope is very simple.
LOCATING THE SUN IN THE TELESCOPE
Without directly looking at the Sun, turn the scope so the filter is pointed
in the Sun’s general direction. Now turn around look at the ground for the
shadow of the telescope. Move the scope as necessary until the shadow of the
telescope tube is perfectly round. If you are slightly off, the shadow will
appear oval or elongated. The Sun should be within the field of view of your
lowest power eyepiece. If it is not, look through the eyepiece and slowly move
the scope in a circular pattern and you should find it in no time.
The Sun will appear as an orange disk in the eyepiece. Use your telescope’s
focusing knobs as you normally would until the edge of the solar disk appears
sharp.
SOLAR® SAFE FILTER TECHNOLOGY
Conforms to and meets the Transmission Requirements of ISO 12312·2, Filters
for Direct Observation of the Sun
Documents / Resources
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CELESTRON 94220 EclipSMART Solar
Filter
[pdf] Instruction Manual
94220, 94221, 94222, EclipSMART Solar Filter, Solar Filter, EclipSMART Filter,
Filter, 94220 Solar Filter
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References
Read User Manual Online (PDF format)
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