Celestrons EclipSmart Travel Solar Scope 50 is a dedicated white-light solar telescope for the observer on the go. Its lightweight, compact, and easy to transport—perfect for viewing the solar photosphere and sunspots. At the heart of this 50mm refractor-style solar scope, youll find Celestrons Solar Safe, full-aperture glass filter material, which ensures safe views of eclipses, transits, sunspots, and any other solar event. The EclipSmart telescope features a dual-lens, non-removable glass solar filter that conforms to the ISO 12312-2:2015(E) standard. The EclipSmart Travel Solar Scope 50 offers much higher magnifications for viewing sunspots or planetary transits than you would get using solar eclipse glasses or binoculars. The EclipSmart Travel Solar Scope 50 has one eyepiece (20mm), a hybrid star diagonal for a more comfortable viewing angle, a permanently attached solar finderscope, and a travel backpack. The permanently attached solar finderscope allows you to align your telescope without looking directly at the Sun by simply centering the projection arms shadow on the bulls eye. EclipSmart solar products feature Solar Safe filter technology—the ultimate protection from harmful solar radiation—including IR and UV light—plus 99.999% of visible light. Celestron Solar Safe filter technology is SAFE for direct observation of the Sun and has been independently tested to conform to and meet the transmission requirements of ISO 12312-2:2015(E), Filters for Direct Observation of the Sun.