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Double Stacking
This greatly increases contrast by narrowing the bandpass to <0.5Å and gives a spectacular 3D effect showing increased
surface detail. The SolarMax III filters can be double stacked by adding an additional SolarMax III Etalon with T-Max™ of the
same aperture. Contact your Coronado dealer or Meade Instruments directly for pricing.
Eyepieces
The best eyepieces for solar viewing are Coronado's CEMAX™ contrast enhanced series eyepieces. Conventional eyepieces
can also be used. An eyepiece with high-quality anti-reflection coatings and/or with fewer lens elements can help reduce
unwanted internal reflections.
Dark Cloth
One easy way to reduce incidental light from entering your eye is to use a dark cloth to completely cover your head and the
eyepiece. The inside should be black but a reflective surface on the outside is recommended to avoid heat buildup.
Location
One of the benefits of owning a Coronado solar observing set up is the portability of the system. For optimal seeing avoid
setting up on heat reflective surfaces such as concrete or tarmac. Grass, water, or low trees are your best surroundings for
viewing.
WARNING
Do not insert your eyepiece into the blocking filter until you have the telescope securely mounted and the SolarMax III element attached and
secured.
Filter Type
Aperture
Bandwidth (Single Stacked)
Bandwidth (Double Stacked) <0.5 Å
Thermal Stability
Blocking Range
Interference filter with hard
non-degradable coatings
60mm clear aperture
<0.7 Å
0.005 Å/°C
Full blocking >10 -5 EUV to far IR
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