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gptkb:Meade_16-inch_LX200
|
catadioptric
|
|
gptkb:Steinheil_Orthostigmat_lens
|
symmetrical
|
|
gptkb:Meade_LX90_8-inch
|
gptkb:Schmidt-Cassegrain
|
|
gptkb:Klevtsov–Cassegrain_telescope
|
Cassegrain configuration
|
|
gptkb:Celestron_CPC_Deluxe
|
catadioptric
|
|
gptkb:Celestron_25-inch_Newtonian_reflector
|
Newtonian
|
|
gptkb:Zeiss_refractor
|
achromatic
|
|
gptkb:Ritchey-Chrétien_telescope
|
gptkb:Cassegrain_reflector
|
|
gptkb:Newtonian_telescope
|
reflector
|
|
gptkb:Newtonian_reflector_telescope
|
open tube
|
|
gptkb:Schneider-Kreuznach_Xenar_38mm_f/2.8
|
Tessar-type
|
|
gptkb:Jupiter-3
|
Sonnar-type
|
|
gptkb:Loxia_35mm_f/2
|
9 elements in 6 groups
|
|
gptkb:Zeiss_refractor
|
apochromatic
|
|
gptkb:Zeiss_Sonnar_85mm_f/2.0
|
gptkb:Sonnar
|
|
gptkb:Newtonian_reflector
|
gptkb:astronomer
|
|
gptkb:Maksutov-Cassegrain_Telescope
|
meniscus corrector lens
|
|
gptkb:Celestron_14"_SCT
|
gptkb:Schmidt-Cassegrain
|
|
gptkb:Dobsonian_telescope
|
gptkb:Newtonian_reflector
|
|
gptkb:Schneider-Kreuznach_Variogon
|
multi-element
|