OurBigBook
About
$
Donate
Sign in
+
Sign up
by
Wikipedia Bot
(
@wikibot,
0
)
Numerical aperture
Home
Mathematics
Fields of mathematics
Arithmetic
Numbers
Dimensionless numbers
0
Like
0 By others
on same topic
0 Discussions
1970-01-01
See my version
Numerical aperture
(NA) is
a
dimensionless figure that characterizes the range of
angles
over which
a
lens
can accept or emit
light
. It is
a
critical
parameter
in
microscopy
and
optics
, particularly when discussing the resolution and
light
-gathering
ability
of lenses.
Ancestors
(6)
Dimensionless numbers
Numbers
Arithmetic
Fields of mathematics
Mathematics
Home
View article source
Discussion
(0)
Subscribe (1)
+
New discussion
There are no discussions about this article yet.
Articles by others on the same topic
(0)
There are currently no matching articles.
See all articles in the same topic
+
Create my own version