Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Optical Lens
|
| gptkbp:category |
gptkb:Optics
Imaging Technology |
| gptkbp:composedOf |
Three or more lens elements
|
| gptkbp:contrastsWith |
gptkb:Achromatic_Lens
|
| gptkbp:corrects |
gptkb:Chromatic_Aberration
Spherical Aberration |
| gptkbp:focuses |
Three wavelengths to the same point
|
| https://www.w3.org/2000/01/rdf-schema#label |
Apochromatic Lens
|
| gptkbp:introducedIn |
1763
|
| gptkbp:inventedBy |
Peter Dollond
|
| gptkbp:material |
Fluorite Glass
Special Dispersion Glass |
| gptkbp:provides |
Improved color correction
Sharper image |
| gptkbp:usedIn |
gptkb:photographer
Astronomy Microscopy Telescopes Camera Lenses Objective Lenses |
| gptkbp:bfsParent |
gptkb:Chromatic_Aberration
|
| gptkbp:bfsLayer |
8
|