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1.5Astronomers often need to calculate the magnification derived from their telescope focal length and eyepiece. Magna Calc provides an easy way to calculate this value for both amateur and professional astronomers. Additionally, Magna Calc provides a 2x and 3x Barlow lens option. Whether you're an amateur or professional astronomer, you'll find Magna Calc useful in your everyday passion for astronomy. Magna Calc Features... - Telescope Focal Length (in Millimeters) - Eyepiece Focal Length (in Millimeters) - Barlow Lens Option (None, 2x, 3x) - Magnification Calculation
