Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:advantage |
lower cost
brighter image less compact less waterproof |
| gptkbp:contains |
eye
objective lens prism assembly |
| gptkbp:contrastsWith |
roof prism binoculars
|
| gptkbp:feature |
wide field of view
bulky design greater depth perception |
| https://www.w3.org/2000/01/rdf-schema#label |
Porro prism binoculars
|
| gptkbp:introducedIn |
19th century
|
| gptkbp:inventedBy |
gptkb:Ignazio_Porro
|
| gptkbp:namedAfter |
gptkb:Ignazio_Porro
|
| gptkbp:optical_design |
offset barrels
|
| gptkbp:used_in |
gptkb:astronomy
gptkb:hunting birdwatching hiking marine observation |
| gptkbp:uses |
gptkb:Porro_prism
|
| gptkbp:bfsParent |
gptkb:Binocular
|
| gptkbp:bfsLayer |
7
|