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gptkb:Meade_LX90_8-inch
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gptkb:Schmidt-Cassegrain
|
|
gptkb:Steinheil_Cassar_lens
|
3 elements in 3 groups
|
|
gptkb:Maksutov-Cassegrain_Telescope
|
secondary mirror (often aluminized spot on corrector)
|
|
gptkb:Schneider-Kreuznach_Variogon
|
multi-element
|
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gptkb:Maksutov_camera
|
meniscus corrector lens
|
|
gptkb:Zeiss_refractor
|
achromatic
|
|
gptkb:Steinheil_Orthostigmat_lens
|
symmetrical
|
|
gptkb:Meade_LX200_14-inch
|
gptkb:Schmidt-Cassegrain
|
|
gptkb:Newtonian_reflector
|
astronomer
|
|
gptkb:Schneider-Kreuznach_Xenar_38mm_f/2.8
|
Tessar-type
|
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gptkb:Newtonian_Telescope
|
gptkb:Reflector
|
|
gptkb:0.61_m_Cassegrain_Telescope
|
gptkb:Cassegrain_reflector
|
|
gptkb:Newtonian_telescope
|
reflector
|
|
gptkb:ETX_telescope_series
|
refractor (some models)
|
|
gptkb:Jupiter-8
|
Sonnar-type
|
|
gptkb:Loxia_35mm_f/2
|
9 elements in 6 groups
|
|
gptkb:Zeiss_refractor
|
apochromatic
|
|
gptkb:Schmidt_telescope
|
catadioptric
|
|
gptkb:Zeiss_Sonnar_85mm_f/2.0
|
gptkb:Sonnar
|
|
gptkb:Schwarzschild_telescope
|
anastigmatic
|