- Roddier, François
Roddier (November 1993). "Wave-front
reconstruction from
defocused images and the
testing of ground-based
optical telescopes".
Journal of...
- zero (center), and
positive (bottom)
spherical aberration.
Images to the left are
defocused toward the inside,
images on the
right toward the outside....
-
middle column shows the
focused image,
columns to the left show
defocusing toward the inside, and
columns to the
right show
defocusing toward the outside....
-
creative process is
often discussed in two stages:
defocused attention,
followed by
focused attention.
Defocused attention occurs when a
person is able to see...
-
Large Format page". Hopkins, H. H. (1955). "The
frequency response of a
defocused optical system".
Proceedings of the
Royal Society A. 231 (1184): 91–103...
- In
digital sensors,
axial CA
results in the red and blue
planes being defocused (****uming that the
green plane is in focus),
which is
relatively difficult...
-
recorder with a
defocused electron beam. The SC4020 used a
charactron tube to
expose microfilm. In BEFLIX, the
electron beam is
defocused to draw pixels...
-
filter is used to
soften the
aperture edges which results in a
smooth defocused area with
gradually fading circles.
Those qualities made it the only lens...
-
focus objects at only one distance;
objects at
other distances are
defocused.
Defocused object points are
imaged as blur
spots rather than points; the greater...
-
August Köhler
designed a
method of
illumination which uses a
perfectly defocused image of the
light source to
illuminate the sample. This work was published...
