|
gptkbp:instance_of
|
gptkb:observatory
|
|
gptkbp:bfsLayer
|
5
|
|
gptkbp:bfsParent
|
gptkb:Cassegrain
|
|
gptkbp:accessibility
|
widely available
|
|
gptkbp:accessories
|
filters
finderscope
diagonal
barlow lens
|
|
gptkbp:adapted_into
|
various mounts
|
|
gptkbp:aspect_ratio
|
varies
|
|
gptkbp:characteristics
|
coated glass
combines refractive and reflective elements
|
|
gptkbp:cooling_system
|
short
|
|
gptkbp:design
|
compact size
long focal length
|
|
gptkbp:designed_by
|
gptkb:Bernhard_Schmidt
|
|
gptkbp:difficulty
|
moderate
|
|
gptkbp:displacement
|
aspherical
|
|
gptkbp:field
|
minimal
not an issue
|
|
gptkbp:first_introduced
|
1930s
|
|
gptkbp:historical_significance
|
important in telescope evolution
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Schmidt-Cassegrain
|
|
gptkbp:image_stabilization
|
available with some models
|
|
gptkbp:influenced_by
|
gptkb:Schmidt_camera
Cassegrain telescope
|
|
gptkbp:is_popular_in
|
amateur astronomers
deep-sky observation
astronomy community
|
|
gptkbp:is_reflected_in
|
concave
|
|
gptkbp:is_used_for
|
astrophotography
|
|
gptkbp:lens_type
|
equatorial or altazimuth
|
|
gptkbp:lighting
|
high
|
|
gptkbp:maintenance
|
low
|
|
gptkbp:notable_models
|
gptkb:Celestron_Nex_Star
gptkb:Meade_LX_series
|
|
gptkbp:objective
|
varies from 4 inches to 16 inches
|
|
gptkbp:price_range
|
mid to high
|
|
gptkbp:resolution
|
high
large
|
|
gptkbp:services
|
high
|
|
gptkbp:suitable_for
|
planetary and lunar observation
|
|
gptkbp:type
|
catadioptric telescope
|
|
gptkbp:used_in
|
research institutions
planetariums
observatories
|
|
gptkbp:user_experience
|
beginner to advanced
|
|
gptkbp:viewpoint
|
limited
narrow
|
|
gptkbp:vision
|
minimal
|
|
gptkbp:weight
|
relatively lightweight
|