Semitecolo, Leonardo, 1700 c.
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden Arrow right Arrow left
Basic Info

Maker: Semitecolo, Leonardo

Year: 1700 c.

Year Range: -

Year Notes:

Manufacturing Location: Italy (assumed)

Signature: LEONARDO SEMITECOLO

Signature Notes:

Inscriptions:

No stand present.

Collection: Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden

Accession #: CIF 25

Sources:

Helmut Schramm, Astronomische Instrumente Katalogue, Staatlicher Mathematisch-Physikalischer Salon, Dresden, Zwinger, item 3, pg. 14.

Public Notes:

Three draw tubes. All tubes of paper; objective tube has cover with gold-leaf ornamentation. Inner tubes have covers of white parchment. Horn rings and tube-ends. Eyepiece was missing-- replaced 1970. Objective missing. Objective and eyepiece diaphragms of brass (though objective diaphragm missing).

Length (open): 535

Length (closed): 233

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: singlet

Optical style terrestrial

Physical style spyglass

Functional style

Materials:

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 14.00

Eyepieces

Notes: