gptkb:X-Ray_Telescope_(XRT)
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gptkb:Wolter_Type_I
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gptkb:extreme_ultraviolet_lithography_(EUV)
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multilayer mirrors
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gptkb:LUVOIR
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segmented mirror
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gptkb:Nikon_D800E
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mirror
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gptkb:Keck_Observatory
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segmented mirror
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gptkb:Maksutov-Newtonian
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spherical
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gptkb:Hobby–Eberly_Telescope
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segmented mirror
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gptkb:Nikon_D3S
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quick-return
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gptkb:Nikon_FM2
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instant return
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gptkb:Maksutov-Cassegrain
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spherical primary mirror
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gptkb:Ritchey-Chrétien_telescope
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two-mirror system
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gptkb:University_of_Hawaii_2.2-m_Telescope
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gptkb:Ritchey–Chrétien
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gptkb:Large_Binocular_Telescope_mirror_design
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Gregorian
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gptkb:Rolleiflex_SLX
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instant return
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gptkb:Vera_C._Rubin_Observatory
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monolithic primary/tertiary mirror
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gptkb:Palomar_1.2-m_Schmidt_telescope
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spherical mirror
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gptkb:Nikon_F
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instant return
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gptkb:Nikon_FM3A
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instant return
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gptkb:Nikon_EM
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quick-return
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gptkb:EUV_Lithography
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multilayer Bragg reflector
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