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crystal in place of one of the glass elements in the objective lens of an astronomical telescope, although this material had previously been used in other optical devices. The company's name would become synonymous with the use of this type of crystal.
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Some other telescope manufacturers use
Takahashi refractors as collimating instruments for larger telescopes. Takahashi telescopes of various designs and sizes are installed in major observatories, such as
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High-performance glass that contains fluorine should not be confused with fluorite crystal, which is not glass.
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Often known simply as 'Tak', the brand is especially noted amongst amateur astronomers for its range of
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is a
Japanese manufacturer of telescopes and related equipment (such as eyepieces and
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This article about a
Japanese corporation- or company-related topic is a
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In recent years however, Takahashi has produced some telescopes using
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Japanese manufacturer of telescopes and related equipment
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Takahashi
Seisakusho website. (Japanese language only.)
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FPL-53 is a type of glass manufactured by Ohara GmbH. "
185:Takahashi Europe. (English and French language.)
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160:Optical Glass for Astronomical Applications
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79:FPL-53 glass in place of fluorite in the
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133:About Takahashi, Takahashi America. "
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121:Takahashi Europe, About Takahashi "
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67:Takahashi pioneered the use of
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77:extra-low dispersion ("ED")
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27:Takahashi Seisakusho Ltd.
92:Embry-Riddle Observatory
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266:Japanese company stubs
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104:Vega–Bray Observatory
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145:Lizaso, Iñaki. "
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33:株式会社高橋製作所
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