Vesdy, 1680 c.+20
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Photo

photo - whole telescope
Basic Info

Maker: Vesdy

Year: 1680 c.+20

Year Range: -

Year Notes:

Manufacturing Location: France

Signature: VES / DY / OBSERVATOIRE

Signature Notes:

Inscriptions:

No stand present.

Collection: Coll. Willach

Accession #: 2657

Sources:

Project investigation

Public Notes:

The tooling similar to Mesnard, late 1680s or 90s. Six wooden veneer draws, with artificial shagreen covered main tube. Aperture 29 mm.

Length (open): 3000

Length (closed):

F-ratio:

Exit pupil:

Object status:

Optical Basics

Objective type: unconfirmed

Optical style

Physical style

Functional style

Materials: glass, leather, pasteboard, wood, gold tooling

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 29.00

Eyepieces

Notes: