Statements (84)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:astronomy
|
| gptkbp:benefits |
gptkb:astronomy
compact design collimation required |
| gptkbp:built |
DIY projects
|
| gptkbp:can_be_used_with |
gptkb:mounts
|
| gptkbp:challenges |
collimate
|
| gptkbp:first_introduced |
1668
1671 |
| gptkbp:has_applications_in |
observing celestial objects
|
| gptkbp:has_component |
eyepiece
primary mirror secondary mirror |
| gptkbp:has_eyepiece |
various types
|
| gptkbp:has_focal_length |
varies
|
| gptkbp:has_type |
reflecting telescope
|
| https://www.w3.org/2000/01/rdf-schema#label |
Newtonian telescope
|
| gptkbp:improves |
image quality
|
| gptkbp:invention |
gptkb:Isaac_Newton
|
| gptkbp:is_available_in |
various price ranges
various sizes commercial models various apertures |
| gptkbp:is_based_on |
reflecting principles
principle of reflection |
| gptkbp:is_compatible_with |
astrophotography
|
| gptkbp:is_considered |
user-friendly
versatile a classic design |
| gptkbp:is_considered_as |
entry-level telescope
|
| gptkbp:is_considered_to_be |
user-friendly
|
| gptkbp:is_designed_for |
stargazing
|
| gptkbp:is_effective_against |
refracting telescopes
|
| gptkbp:is_equipped_with |
gptkb:accessories
filters |
| gptkbp:is_favored_by |
hobbyists
|
| gptkbp:is_known_for |
wide field of view
relatively low cost good light-gathering ability |
| gptkbp:is_noted_for |
ease of use
|
| gptkbp:is_observed_in |
gptkb:the_Moon
galaxies planets stars star clusters nebulae |
| gptkbp:is_often_compared_to |
gptkb:Dobsonian_telescope
gptkb:Schmidt-Cassegrain_telescope Cassegrain telescope |
| gptkbp:is_often_used_in |
beginners
educational settings astronomy clubs star parties observatories view asteroids view comets view double stars view star formations view the Milky Way |
| gptkbp:is_part_of |
optical instruments
|
| gptkbp:is_popular_for |
deep-sky observation
planetary observation comet observation lunar observation star clusters observation |
| gptkbp:is_popular_in |
amateur astronomy
|
| gptkbp:is_used_by |
amateur astronomers
professional astronomers |
| gptkbp:is_used_for |
gptkb:astronomy
|
| gptkbp:is_used_in |
observational astronomy
|
| gptkbp:is_vulnerable_to |
chromatic aberration
|
| gptkbp:made_of |
various materials
|
| gptkbp:modifications |
gptkb:camera
filters different configurations different eyepieces |
| gptkbp:requires |
gptkb:mounts
maintenance |
| gptkbp:suitable_for |
deep-sky observation
planetary observation |
| gptkbp:uses |
concave mirror
|
| gptkbp:bfsParent |
gptkb:Sir_Isaac_Newton
gptkb:Telescopes |
| gptkbp:bfsLayer |
5
|