Gundlach Optical Co. (Rochester, NY)

 

Gundlach Single Achromatic Lens, c.1890's

 

Illustrated Catalogue of Photographic Lenses, Sixth Edition, Gundlach Optical Co., (Rochester, NY), dated June 1891, p. 14

 

Notes: 

In 1891, Gundlach offered six field-type lens formulae, five of which were rapid rectilinear types and one single achromatic type.  They were the: Gundlach Rapid Rectilinear Lens, Gundlach Perigraphic Lens,  Gundlach Wide Angle Lens, Gundlach Star Lens, Gundlach Star Wide Angle Lens and Gundlach Single Achromatic Lens.

References:
 

Illustrated Catalogue of Photographic Lenses, Sixth Edition, Gundlach Optical Co., (Rochester, NY), dated June 1891, p. 14

 

 

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