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Coronado's iconic PST 40mm f/10 0.5Å H-Alpha Personal Solar Telescope
optical system is tuned to the hydrogen-alpha bandwidth with a 0.5Å
(Angstrom) bandpass for viewing details of the Sun's chromosphere
(surface) and prominences. A bandpass tuner allows users to compensate
for Doppler shift or to highlight specific areas or zones.
is designed and engineered to be set up quickly and used easily. The
40mm external etalon has an easy-to-use tuning ring, while the 30mm
etalon primary blocking filter is set internally, so all users need do
is mount the OTA on a stable platform and drop in the included 20mm
eyepiece. The PST is offered here without a mount or tripod, but it is
equipped with a standard 1/4"-20 tripod mount for using conventional
photo/video/field tripods, or it can be mounted on many alt-az, EQ, or
motorized astronomical mounts.