Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomer
|
| gptkbp:category |
telescope optics
microscope optics |
| gptkbp:function |
increase focal length
increase magnification |
| gptkbp:inventedBy |
gptkb:Peter_Barlow
|
| gptkbp:material |
gptkb:glass
|
| gptkbp:namedAfter |
gptkb:Peter_Barlow
|
| gptkbp:placed_between |
gptkb:eye
objective lens |
| gptkbp:type |
negative (diverging) lens
|
| gptkbp:typical_magnification_factor |
3x
2x |
| gptkbp:used_in |
microscopes
telescopes |
| gptkbp:bfsParent |
gptkb:Peter_Barlow
gptkb:Barlow |
| gptkbp:bfsLayer |
6
|
| http://www.w3.org/2000/01/rdf-schema#label |
Barlow lens
|