Meade Coronado SolarMax III 70 Manual page 13

Tuning with RichView™ and T-Max™ Tuning System
Because different features on the Sun are moving toward or away from the Earth, their light is Doppler-shifted off the
hydrogen-alpha line of 6562.8 Angstroms. You will need to adjust the tuning slightly to get the best high-contrast views of
the features you want to observe. After you install the SolarMax III Etalon Solar filter and blocking filter onto your telescope
and have covered all non-filtered optical components such as viewfinder and accessories you are now ready to point the
telescope at the sun. Center the Sun in the filtered telescope and adjust the focus until the Sun's edge is sharp. Now rotate
the RichView™ tuning ring slowly while looking at the image in the eyepiece to get the most detail and contrast. Then, adjust
the tilt of the etalon with the T-Max tuner wheel to achieve the brightest image while eliminating any reflections. Surface
details will generally require one setting, while prominences will require a different setting for maximum detail.
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SolarMax III Blocking Filter (BF10, BF15)
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SolarMax III Etalon with RichView
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