![]() ![]() Approximate Solar Image Diameter: 85mm (3.Field Lens: 4-element, 12.5mm FL Plössl, fully coated, 10mm aperture.Mirrors: 50mm x 50mm x 10mm, two 25mm x 25mm x 5mm, Objective Aperture: 61.7mm diameter, stopped down to 57.0mm.Objective Lens: 2-element achromat, 700mm FL, fully coated. ![]() ![]() Telescope Type: folded-path refractor, F11, altitude-azimuth design.Quickly trace the changing positions of sunspots, and compare them on a daily basis. Allows several observers to simultaneously see the Sun’s disk, Freehand drawing and sunspot tracings can be done over the course of several days to document the evolution and positions of active regions. Compared with pinhole projection, optical projection generally provides bigger, brighter, sharper images. This is called optical projection, because it involves optics (that is, lenses and/or mirrors). An added advantage is that it allows a number of observers to simultaneously sketch the Sun in white light. You can also use a telescope or binoculars to project images of the partially eclipsed Sun onto a surface for convenient viewing. A bright 3 solar image is projected in all of its glory by a. Solar projection permits safe solar viewing for anyone who has a telescope and a modest eyepiece. Use the Sunspotter to view sunspots, eclipses, and transits as they appear, Sunspotter gives students the opportunity to track sunspots as they appear, move, and vanish. And, because of its unique design, this kid-friendly instrument makes our closest star a safer subject of study by even the youngest students. Unlike other ways of viewing the Sun, the compact and sturdy Sunspotter is convenient, easy to set up, lightweight and fun to use. Perfectly curved cradle, the Sunspotter is easily aligned to the Sun in seconds, without the complication of telescopes, solar filters, and tripods. This wooden, folded-path, Keplerian telescope provides a much safer andĬonvenient way to view the brilliant light of the Sun than other more common methods.īy using a series of mirrors, the device projects a bright 3.25-inch solar image onto aĥ-inch white viewing screen through a powerful 62 mm diameter objective lens. ![]()
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