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Opti-Forms, Inc. manufactures stock and custom electroformed reflective optics including ellipsoids, paraboloids, sphericals, and off-axis reflectors; ...
www.mini-nova.com - 2009-02-13
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Optical aberrations in amateur telescopes. Includes principles of physical and optical imaging with detailed review of primary aberrations. Also, aberrations in ...
central obstruction  paul-baker spherochromatism
www.telescope-optics.net - 2009-02-07
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A UK based company supplying the world with optical components and instruments including flats, spheres, aspherics, paraboloids, toroids and windows. They ...
beam-expander off axis parabola off axis paraboloid off axis paraboloids
www.optisurf.com - 2009-02-04
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Knife-edge focusing
Astrofocuser bayonet mount ronchy t-adapter
www.stellar-international.com - 2009-02-07
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celestron
x-ray
cassegrain
dall-kirkham
diffraction
astronomy
crystallography
off-axis parabola
laser
newtonian
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