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Coronado PST Telescope PST stands for Personal Solar Telescope. Compared with a normal refractor with a solar filter, the PST shows different details of the solar surface and more important allows you to see also the solar flares. SpecificationsType: refractorAperture: 40mm Focal Ratio: F/10 Focal Length: 400mm Band Width: <1.0Å Thermal Stability: 0.005 Å/°C Safety Blocking: >10-5 from EUV/IR Finder: built in Mounting: photo tripod Length: 381mm (15") Width: 76mm (3") Weight: 1.4kg (3lbs) Included accessories: 20mm Kellner Eyepiece 1.25" Case (48cm x 28cm 16 cm)
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