Dave Shafer

lens design optical design aberrations optics mirrors lenses geometrical optics telescope aspherics rays color freeform aspherics image humor catadioptric lens photography diffractive music jewish dave shafer opera verdi zoom diffraction-limited religion wide angle unobscured camera fast speed light offner bible humanist design glasses pictures cameras newsletter lithography triplet astronomy egypt schmidt jews philosophy god mirror spherical aberration double-gauss optimization torah relay system obscuration david shafer broad spectrum high na lens design mirrors metasurface parabola petzval telecentric search engine optimization lateral color astigmatism aspheric aperture stop april fools flowers photos creativity atheist size hybrid aplanatic funny axial color velikovsky venus space probes invention mtf coma career carl sagan spherochromatism moon eye glasses birds testing double aspheric laser apochromat torah moses religion judaism mysteries bible god shafer aida diffraction focus light rays secondary color telescopes atheism aspheric shape 3rd order optcs free will glass optical designs hebrews tutorial aesthetics classics gounod science distortion epic ring field greek odysseus freeform odyssey homer laughter health pharaoh vignetting sendak artist geometrial optics ark of the covenant moses exodus irrational stereo monocentric food medicine concentric home doge salk babylonian captivity nabucco diet consumption la traviata vaccine otello jester rigoletto simon boccanegra nebuchadnezzar exceptionalism grief yom kippur 9/11 loss spacecraft fate geometric optics brain predestination prism induced aberrations aberratons beamsplitter prediction catastrophy orbits censorship mars planets sceince ancient history mind worlds in collision kismet spinoza new year resolutions humor techniques null lensesses ancient israel yahweh women's suffrage baby grandchild grandparents congratulations retirement age old age memory club plans summer fun woman humanist vacation office glass types images books children psychology gay travel feynman physics computer program contest challenge hasidic hasids orthodox lubavitch chabad chassid satmar schneerson hebrew skin vaccines tans sunscreen sunblock cancer melanoma genetics cohen ashkenazi hidden messages iq diaspora levi sephardim dna code polio specgrum women's rights ernestine rose phenomenology design methods husserl landscapes optics. telescopes art nora ephron competition journalism film alphabet screenwriter word play feminist writing sisters deep learning chess homer simpson rule set chess problem lens designs x-y polynomials surfaces reflection configuration annular field strip field linear field curved image special glasses correction saga illiad milman parry memorize gods heaven hell fame dragon soros hungary osf philanthropy nazi economics markets keynes popper money stocks currency fake news snopes war closeup butterflies bees blossoms nature monochromatic simple design catadioptric wide field external pupil artifical intelligence equivalent refracting surface fresnel gregorian cassegrain aspheries field mirror secondary mirror conic aspheric schiefspiegler germanium dyson wynne-dyson lnes mireille operations provence mistral optics education design optimization solution region local minima global optimization design thinking video interview business sirens refractive weight reflective diffractive surface geometrical otpics joseph judasim virus social distancing amusing isolation togetherness telephoto achromat spyglass patent history afocal magnification conjugates spiral fringe inteference interferometry design theory canaanites poetry dorothy parker quips algonquin wit round table gabor pupil freeform aspheric illusion surrealism prisms painting dalí joe bietry maksutov swansea computer corpus hermeticum cradle da vinci freemasons freud herodotus shakespeare death faith humanism happiness lakme romeo and juliet massenet delibes goethe romanticism werther microscope obscurartion lesn design adam leviathan asherah levites judaism sex eve lilith serpent snakes spherical aberration. beam expander diverger wide field of view flat image primary color teriary color cell phone higher order 5ht order kosher treyf deli crisco rabbi jacob limping goat sheep sacrifice moloch innovatiion scanning cloaking invisible kite leonardo mouth mummy field angle pixels relaxed design focal length compact design eyepiece conics scissors knives frames pull-overs string low vision magic stage illusion assumptions thinking innovation dome null test point source 5th order