Sterrop, 1790 c.
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden Arrow right Arrow left

photo - signature
Basic Info

Maker: Sterrop

Year: 1790 c.

Year Range: -

Year Notes:

Manufacturing Location: London, England

Signature: Sterrop LONDON

Signature Notes:


No stand present.

Collection: Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden

Accession #: CIF 21


Helmut Schramm, Astronomische Instrumente Katalogue, Staatlicher Mathematisch-Physikalischer Salon, Dresden, Zwinger, item 14, pg. 17. Images from project investigation.

Public Notes:

Middle tube of brown wood, thickness 2.5 mm, with cover of green-dyed fish skin. Objective and ocular side pulls; both pulls as well as objective and ocular lens mounts of gold-plated brass. Two objective lenses in [Wurfelrevolver], simple convex. Signature on the lens turret.

Length (open): 565

Length (closed): 376


Exit pupil:

Object status:

Optical Basics

Objective type: doublet (unknown)

Optical style terrestrial

Physical style

Functional style


Optical/Lab Data

Drawtube data:

Drawtube notes:

Objective Data

CA curvature (diopters): CB curvature (diopters): PD lens power (diopters): fD focal length (mm): t thickness (mm): free aperture (mm): full aperture (mm): nD refractive index: ν Abbe No.:
Lens 1 8.00 133.00
Lens 2 13.00