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Coronado PST Double Stacked H-alpha Solar Telescope with Accessories.
1. Coronado PST hydrogen alpha solar telescope with carry case (in first-class, excellent condition, only used a few times).2. Coronado SolarMax II 40 external etalon with RichView tuning ring and T-view adjustment, with protective case (almost new, excellent condition, only used a few times).3. PST shadow plate (very rare, discontinued production long ago), to shield observer from too much direct sunlight while viewing, excellent condition.4. PST specific protective cover (new, never used).5. Eyepiece (1.25″ , 25 mm, basic, new).6. PST front-ring for attaching alternative etalon design models (prior to 2012) to the front of the PST (new).NOTE: The PST, with or without the shadow plate, can be mounted on any standard camera mount and tripod (not included).Coronado PST Hydrogen-alpha solar telescope from the robust original specification manufacture (metal tube, not the modern, mass-made plastic tube PST) in perfect (used) condition. There is no degradation of the lenses, internal etalon filter or internal blocking filter.The Sun appears sharp and detailed in H-alpha light, and features including prominences, active regions, filaments, sunspots and plage can easily be seen.Coronado storage case with foam protection for the PST, almost new, in perfect condition. Includes eyepiece storage holes (one general-purpose eyepiece included).External SolarMax II 40 mm etalon can be added to the front of the PST in a double-stacked configuration to increase contrast and resolution of features on the Suns surface. RichView wavelength tuning adjuster to quickly change from viewing solar disk features to prominence edge features by correcting for Doppler shifts in the solar gas motions. A T-view adjuster quickly optimises the image when the PST and etalon are used together in double stacked configuration.Etalon case includes two foam protectors for use if the etalon is stored or transported (e.g. inside a box).PST Shadow plate for specific use only with the PST (and long discontinued).Silvered shield cover (new) to keep the telescope protected from the Sun on hot days, when it is not being used for viewing the Sun.PST optical details:Clear aperture 40 mmFocal length 400 mmf/10Wavelength passed: hydrogen-alpha only (deep red light,656.28 nm, or 6562.8 Angstroms).Bandpass: less than 1 Angstrom (single stacked); 0.5 Angstrom(double stacked).SolarMax II external etalon optical data:Clear aperture 40 mmWavelength passed: hydrogen-alpha only.RichView tuning assembly.T-View adjuster.
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Category: Cameras and Photography:Telescopes and Binoculars:Telescope Parts and Accessories:Filters
Location: Brighton