Understanding Eyepieces - the Brevard Astronomical Society

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Let’s see. Magnification = Focal Length of the Telescope Focal Length of the Eyepiece Brevard Astronomical Society
Eyepiece focal length is almost universally expressed in millimeters. It’s best to change any measurements in inches to millimeters by multiplying inches by 25.4 Brevard Astronomical Society
Page 1 and 2: Understanding Eyepieces A Simple Gu
Page 3: A neat set of eyepieces came in the
Page 7 and 8: A 12mm eyepiece will produce a magn
Page 9 and 10: A 25mm eyepiece will produce a magn
Page 11 and 12: Wait a minute! There’s More! Brev
Page 13 and 14: Eyepieces are composed of a combina
Page 15 and 16: http://www.daviddarling.info/encycl
Page 17 and 18: PLOSSL Wider field of view than ORT
Page 19 and 20: KELLNER Good choice for “beginner
Page 21 and 22: Light Loss and Ghosts Anti-reflecti
Page 23 and 24: Actual Field of View The actual fie
Page 25 and 26: Brevard Astronomical Society
Page 27 and 28: Exit Pupil 7mm Brevard Astronomical
Page 29 and 30: Eye Relief The distance between you
Page 31 and 32: Barlow Lenses A Barlow is a negativ
Page 33 and 34: Final Analysis One big deciding fac

Understanding Eyepieces - the Brevard Astronomical Society

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