Steinheil Quartz Lenses

Steinheil Quartz Lenses
Steinheil, Munich. Quartz lenses in good condition, all without any aperture. 1) No. 273418 f = 776 mm Quartz, 2-lens construction with long distance lens-lens, front lens with strong negative curvature, Ø 72 mm (only glass), height 115 mm. Elaborately mounted quartz lenses inside – mounted similarly to Fraunhofer achromats. – 2) No. 233998 f = 725 mm Quartz, single lens Ø 60 mm (only glass). – 3) No. 234009 f = 725 mm Quartz, single lens Ø 64 mm (only glass). – 4) No. 233955 f=850 mm Quarz, single lens Ø 50 mm (only glass). – And: 5) No. 2252003 Suprasil f2680 = 734 mm, single lens Ø 64 mm (only glass). For the deep ultraviolet up to 2680 nanometers. – Presumably custom-made for large institute UV spectrometers.

Steinheil-Quarzobjekive
Steinheil, München. Quarzlinsen gut erhalten, alle ohne Irisblende. 1) No. 273418 f = 776 mm Quarz, 2-linsige Konstruktion mit langem Luftabstand, Frontlinse mit starker negativer Wölbung, Ø 72 mm (nur Glas), Höhe 115 mm. Innen aufwendig gelagerte Quarzlinsen, ähnlich montiert wie Fraunhofer-Achromate. – 2) No. 233998 f = 725 mm Quarz, Einzellinse Ø 60 mm (nur Glas). – 3) No. 234009 f = 725 mm Quarz, Einzellinse Ø 64 mm (nur Glas). – 4) No. 233955 f = 850 mm Quarz, Einzellinse Ø 50 mm (nur Glas). – Und: 5) Nr. 2252003 Suprasil f2680 = 734 mm, Einzellinse Ø 64 mm (nur Glas). Für das tiefe Ultraviolett bis 2680 Nanometer. – Vermutlich Einzelanfertigungen für große Instituts-UV-Spektrometer.

Start Price: EUR 240

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