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Lot 0513
Patent Aplanatic Landscape Lens by A. Grubb, c. 1855
No. 509, different from the later version, where the inner tube could be pulled out ready for use. Attachment for washer stops, approx. 30 cm focal length, front element approx. Ø 62 mm (2 1/3 in.), height 3 1/3 in., complete with connecting ring Ø 4 1/3 in. A rare lens! – A. Grubb (1801–1878) from the environs of Dublin was an important practical theorist who did not earn the recognition that he deserved.

A. Grubb Patent Aplanatic Landscape Lens, um 1855
No. 509, frühe Ausführung von diesem historisch bemerkenswerten Landschaftsobjektiv. Brennweite ca. 30 cm, ausgestattet mit Ringblendenvorrichtung und Gewindetubus. Komplett mit Objektivanschlußring Ø 11 cm. Bauhöhe (ausgefahren): ca. 85 mm. Linsen Ø: ca. 62 mm.

Start Price: € 280

Condition

(3/3-)

Starting Bid

€280.00

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Patent Aplanatic Landscape Lens by A. Grubb, c. 1855

Estimate €600 - €700Mar 25, 2017
Otto-Hahn-Str. 10
Koeln, 50997
Germany
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