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gptkb:Loxia_50mm_f/2
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Planar
|
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gptkb:Meade_16-inch_LX200
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catadioptric
|
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gptkb:Fujinon_XF_lenses
|
aspherical elements (select models)
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|
gptkb:Klevtsov–Cassegrain_telescope
|
Cassegrain configuration
|
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gptkb:Maksutov-Cassegrain_Telescope
|
meniscus corrector lens
|
|
gptkb:Fujinon_XF_lenses
|
ED glass (select models)
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|
gptkb:Newtonian_telescope
|
reflector
|
|
gptkb:Newtonian_Telescope
|
gptkb:Reflector
|
|
gptkb:Componon-S_lens
|
6 elements in 4 groups
|
|
gptkb:Celestron_14"_SCT
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gptkb:Schmidt-Cassegrain
|
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gptkb:Distagon_lens
|
retrofocus
|
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gptkb:Nikon_Monarch_binoculars
|
gptkb:Roof_prism
|
|
gptkb:Newtonian_reflector
|
gptkb:astronomer
|
|
gptkb:Heliar_lenses
|
symmetrical
|
|
gptkb:Celestron_CPC_Deluxe
|
catadioptric
|
|
gptkb:ETX_telescope_series
|
gptkb:Maksutov-Cassegrain
|
|
gptkb:0.61_m_Cassegrain_Telescope
|
gptkb:Cassegrain_reflector
|
|
gptkb:Jupiter-3
|
Sonnar-type
|
|
gptkb:Cooke_refractor
|
achromatic doublet
|
|
gptkb:Meade_LX200_14-inch
|
gptkb:Schmidt-Cassegrain
|