Last Updated：2025/11/29
An achromatic telescope in which the coloured dispersion produced by a single object lens of crown glass is corrected by a smaller concave lens, or combination of lenses, of high dispersive power, placed at a distance in the narrower part of the converging cone of rays, usually near the middle of the tube.
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dialytic telescope
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Source Word
dialytic telescope
Noun
An
achromatic
telescope
in
which
the
coloured
dispersion
produced
by
a
single
object
lens
of
crown
glass
is
corrected
by
a
smaller
concave
lens,
or
combination
of
lenses,
of
high
dispersive
power,
placed
at
a
distance
in
the
narrower
part
of
the
converging
cone
of
rays,
usually
near
the
middle
of
the
tube.
Japanese Meaning
色収差のない望遠鏡で、単一のクラウンガラス製の対物レンズで生じる色分散を、収束する光線の狭い部分（通常は管の中央付近）に配置された、分散力の高い小型の凹レンズまたはその組み合わせにより補正している装置
Sense（1）
An
achromatic
telescope
in
which
the
coloured
dispersion
produced
by
a
single
object
lens
of
crown
glass
is
corrected
by
a
smaller
concave
lens,
or
combination
of
lenses,
of
high
dispersive
power,
placed
at
a
distance
in
the
narrower
part
of
the
converging
cone
of
rays,
usually
near
the
middle
of
the
tube.
（ plural ）
