aplanat

1. A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.

2. A system of lenses invented by adolph steinheil, in 1866, for use in photography, consisting of a biconvex crown-glass lens placed between two concavo-convex lenses of flint-glass.

3. A reflecting or refracting surface which is free from spherical aberration.

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Top Words by points	Points	Word Game
aplanat	9	Scrabble

2 Letters	Scrabble® Points
al	2
ta	2
pa	4
na	2
la	2
an	2
at	2
aa	2

3 Letters	Scrabble® Points
aal	3
pat	5
pan	5
pal	5
nap	5
lat	3
lap	5
tan	3
tap	5
ala	3
apt	5
ant	3
ana	3
alt	3
alp	5

4 Letters	Scrabble® Points
plat	6
tapa	6
tala	4
plan	6
pant	6
paan	6
napa	6
nala	4
atap	6
anta	4
anal	4
alan	4

5 Letters	Scrabble® Points
natal	5
plant	7
alant	5

6 Letters	Scrabble® Points
platan	8

7 Letters	Scrabble® Points
aplanat	9