Personal Information
Organization / Workplace
Fairfield, CT United States
Occupation
camera lens designer
About
I have designed optical systems for the last 57 years and have about 200 US and foreign patents in this field. One of my unusual telescopes was on the Cassini spacecraft flight to Saturn, as well as on a visit to Vesta and Ceres. Also one landed on a comet.
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afocal
history
patent
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achromat
telephoto
togetherness
isolation
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judasim
joseph
geometrical otpics
diffractive surface
reflective
weight
refractive
sirens
dragon
fame
hell
heaven
gods
memorize
milman parry
illiad
saga
correction
special glasses
curved image
linear field
strip field
annular field
configuration
reflection
surfaces
x-y polynomials
lens designs
chess problem
rule set
homer simpson
chess
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artifical intelligence
external pupil
catadioptric wide field
simple design
monochromatic
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economics
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scanning
innovatiion
moloch
sacrifice
sheep
goat
limping
jacob
rabbi
crisco
deli
treyf
kosher
5ht order
higher order
cell phone
teriary color
primary color
flat image
wide field of view
diverger
beam expander
spherical aberration.
point source
null test
dome
innovation
thinking
assumptions
stage illusion
magic
low vision
string
pull-overs
frames
knives
scissors
conics
eyepiece
compact design
focal length
relaxed design
pixels
field angle
mummy
mouth
leonardo
kite
herodotus
freud
freemasons
da vinci
cradle
corpus hermeticum
computer
swansea
maksutov
joe bietry
dalí
painting
prisms
surrealism
illusion
freeform aspheric
pupil
gabor
round table
wit
algonquin
quips
dorothy parker
poetry
canaanites
snakes
serpent
lilith
eve
sex
judaism
levites
asherah
leviathan
adam
lesn design
obscurartion
microscope
werther
romanticism
goethe
delibes
massenet
romeo and juliet
lakme
happiness
humanism
faith
death
exceptionalism
grief
yom kippur
9/11
loss
spacecraft
geometric optics
prism
induced aberrations
aberratons
beamsplitter
prediction
catastrophy
orbits
censorship
mars
planets
sceince
ancient history
worlds in collision
null lensesses
otello
simon boccanegra
doge
consumption
la traviata
jester
rigoletto
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Presentations
(86)Documents
(50)Likes
(2)Some unusual telescope designs
Dave Shafer
•
9 years ago
Optics timeline (up to 1850)
Solo Hermelin
•
9 years ago
Personal Information
Organization / Workplace
Fairfield, CT United States
Occupation
camera lens designer
About
I have designed optical systems for the last 57 years and have about 200 US and foreign patents in this field. One of my unusual telescopes was on the Cassini spacecraft flight to Saturn, as well as on a visit to Vesta and Ceres. Also one landed on a comet.
Tags
lens design
optical design
aberrations
optics
mirrors
lenses
geometrical optics
aspherics
telescope
rays
color
freeform aspherics
image
humor
catadioptric
lens
photography
diffractive
music
opera
dave shafer
jewish
diffraction-limited
wide angle
unobscured
verdi
zoom
religion
camera
offner
fast speed
glasses
light
design
bible
humanist
relay system
optimization
double-gauss
schmidt
egypt
pictures
cameras
triplet
mirror
spherical aberration
astronomy
newsletter
lithography
torah
god
philosophy
jews
obscuration
metasurface
parabola
telecentric
search engine optimization
lateral color
astigmatism
aspheric
aperture stop
april fools
petzval
lens design mirrors
high na
broad spectrum
david shafer
photos
flowers
size
hybrid
classics
epic
greek
odysseus
odyssey
homer
vignetting
freeform
ring field
irrational
mtf
invention
3rd order
aspheric shape
secondary color
laser
double aspheric
creativity
eye glasses
geometrial optics
distortion
pharaoh
birds
spherochromatism
coma
axial color
glass
apochromat
shafer
aplanatic
funny
moses
exodus
gounod
laughter
concentric
monocentric
stereo
moon
carl sagan
space probes
venus
velikovsky
optical designs
focus
testing
aida
hebrews
diffraction
light rays
telescopes
career
sendak
artist
science
home
ark of the covenant
atheist
optcs
health
medicine
food
torah moses religion judaism mysteries bible god
atheism
free will
tutorial
aesthetics
design theory
business
video interview
design thinking
global optimization
local minima
solution region
design optimization
optics education
mistral
provence
operations
mireille
lnes
wynne-dyson
dyson
germanium
schiefspiegler
conic aspheric
secondary mirror
field mirror
aspheries
cassegrain
gregorian
fresnel
equivalent refracting surface
interferometry
inteference
fringe
spiral
conjugates
magnification
afocal
history
patent
spyglass
achromat
telephoto
togetherness
isolation
amusing
social distancing
virus
judasim
joseph
geometrical otpics
diffractive surface
reflective
weight
refractive
sirens
dragon
fame
hell
heaven
gods
memorize
milman parry
illiad
saga
correction
special glasses
curved image
linear field
strip field
annular field
configuration
reflection
surfaces
x-y polynomials
lens designs
chess problem
rule set
homer simpson
chess
deep learning
artifical intelligence
external pupil
catadioptric wide field
simple design
monochromatic
nature
blossoms
bees
butterflies
closeup
war
snopes
fake news
currency
stocks
money
popper
keynes
markets
economics
nazi
philanthropy
osf
hungary
soros
5th order
invisible
cloaking
scanning
innovatiion
moloch
sacrifice
sheep
goat
limping
jacob
rabbi
crisco
deli
treyf
kosher
5ht order
higher order
cell phone
teriary color
primary color
flat image
wide field of view
diverger
beam expander
spherical aberration.
point source
null test
dome
innovation
thinking
assumptions
stage illusion
magic
low vision
string
pull-overs
frames
knives
scissors
conics
eyepiece
compact design
focal length
relaxed design
pixels
field angle
mummy
mouth
leonardo
kite
herodotus
freud
freemasons
da vinci
cradle
corpus hermeticum
computer
swansea
maksutov
joe bietry
dalí
painting
prisms
surrealism
illusion
freeform aspheric
pupil
gabor
round table
wit
algonquin
quips
dorothy parker
poetry
canaanites
snakes
serpent
lilith
eve
sex
judaism
levites
asherah
leviathan
adam
lesn design
obscurartion
microscope
werther
romanticism
goethe
delibes
massenet
romeo and juliet
lakme
happiness
humanism
faith
death
exceptionalism
grief
yom kippur
9/11
loss
spacecraft
geometric optics
prism
induced aberrations
aberratons
beamsplitter
prediction
catastrophy
orbits
censorship
mars
planets
sceince
ancient history
worlds in collision
null lensesses
otello
simon boccanegra
doge
consumption
la traviata
jester
rigoletto
nebuchadnezzar
babylonian captivity
nabucco
dna
sephardim
levi
diaspora
iq
ashkenazi
cohen
genetics
melanoma
cancer
sunblock
sunscreen
tans
vaccines
skin
sisters
writing
feminist
screenwriter
film
journalism
nora ephron
optics. telescopes
design methods
specgrum
glass types
office
vacation
fun
summer
plans
club
memory
old age
age
retirement
congratulations
grandparents
grandchild
baby
schneerson
satmar
chassid
chabad
lubavitch
orthodox
hasids
hasidic
challenge
contest
computer program
gay
psychology
children
books
images
travel
feynman
physics
ancient israel
yahweh
women's suffrage
woman humanist
women's rights
ernestine rose
phenomenology
husserl
landscapes
art
competition
alphabet
word play
hebrew
hidden messages
code
polio
salk
vaccine
diet
shakespeare
techniques
new year resolutions humor
spinoza
kismet
mind
predestination
brain
fate
See more