Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
photographic lens
|
| gptkbp:countryOfOrigin |
gptkb:Germany
|
| gptkbp:designedFor |
photography
|
| gptkbp:focusArea |
anastigmat
|
| https://www.w3.org/2000/01/rdf-schema#label |
Steinheil Orthostigmat lens
|
| gptkbp:introducedIn |
1890s
|
| gptkbp:manufacturer |
C. A. Steinheil & Söhne
|
| gptkbp:notableFor |
corrected astigmatism
|
| gptkbp:opticalDesign |
symmetrical
|
| gptkbp:usedIn |
large format cameras
|
| gptkbp:bfsParent |
gptkb:Steinheil_&_Söhne
|
| gptkbp:bfsLayer |
7
|