Newtonian reflector telescope
GPTKB entity
Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:advantage |
low cost
simple construction open tube prone to dust requires frequent collimation |
| gptkbp:eyepiecePosition |
side of the telescope tube
|
| gptkbp:firstBuiltAt |
gptkb:England
|
| gptkbp:height |
varies
|
| https://www.w3.org/2000/01/rdf-schema#label |
Newtonian reflector telescope
|
| gptkbp:introducedIn |
1668
|
| gptkbp:inventedBy |
gptkb:Isaac_Newton
|
| gptkbp:material |
aluminum coating
glass mirror |
| gptkbp:namedAfter |
gptkb:Isaac_Newton
|
| gptkbp:opticalDesign |
open tube
|
| gptkbp:popularFor |
amateur astronomy
|
| gptkbp:primaryMirrorDiameter |
parabolic mirror
|
| gptkbp:purpose |
astronomer
|
| gptkbp:removes |
chromatic aberration
|
| gptkbp:usesSecondaryMirror |
flat diagonal mirror
|
| gptkbp:bfsParent |
gptkb:Dobsonian_mount
|
| gptkbp:bfsLayer |
6
|