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Lunt Solar Systems 100mm Ha Objective / 18mm Blocking 1.25

Lunt Solar Systems' Solar Filter Kit gives users an objective lens hydrogen-alpha filter and a 18mm blocking eyepiece filter for observing the Sun's surface and edge. The Ha filter attaches to the front objective of a user-supplied 100mm refractor telescope to provide unobstructed

  • 18mm Blocking Eyepiece Filter (1.25" Star Diagonal)


    Lunt Solar Systems' 18mm Blocking Eyepiece Filter, when used with a Lunt front hydrogen-alpha filter or a dedicated solar telescope, provides a 18mm aperture for observing the Sun's surface. The star diagonal viewing configuration filter fits into 1.25" focusers, and accepts any user-supplied 1.25" eyepieces and accessories. This model is recommended for use with optical tube assemblies (OTAs) with a focal length of up to 1800mm for visual observation or 1200mm for astro-imaging.


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