General Information

Serial #

N/A

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

.1-.3 BRASS HOUSINGS;.2 GLASS LENS.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

10.3 cm

Width

10.3 cm

Height

9.8 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Photography

Category

Still camera parts

Sub-Category

N/A

Manufacturer

AKA

Chevalier

Country

France

State/Province

Unknown

City

Paris

Context

Country

Canada

State/Province

Ontario

Period

THIS TYPE OF LENS USED 1834-1870S.

Canada

OJECT D'ART OR CURIOSITY BELONGING TO YOUSUF KARSH, AND KEPT IN HIS CHATEAU LAURIER STUDIO SUITE IN OTTAWA, ONT. UNTIL C. 1992. NEVER USED BY KARSH AS A PHOTOGRAPHIC LENS.

Function

BENDS LIGHT RAYS TO CREATE AN IMAGE WHICH IS IMPRINTED ON FILM IN CAMERA.

Technical

[INCOMPLETE] EXAMPLE OF "PHOTOGRAPHE A VERRES COMBINES" BY CHARLES CHEVALIER (1804-59). LENS CONSISTS OF 2 MAIN SECTIONS: 'PORTRAIT' LENS (MISSING GLASS LENS) AND 'PAYSAGES' LENS. CHEVALIER WASTHE SON AND GRANDSON OF PARIS OPTICIANS. HE MADE THE FIRST LENSES USED BY DAGUERRE IN HIS PHOTOGRAPHIC EXPERIMENTS; GIROUX'S WHOLE-PLATE CAMERA OF 1839 WAS EQUIPPED WITH A CHEVALIER LENS. (REF. 1)

Area Notes

Unknown

Details

Markings

.1 "Photographe a Verres Combines,/ Invente par/ CHARLES CHEVALIER,/ Palais Royal 158. Paris" incised on casing front. "PORTRAITS" stamped on top edge (above treated collar, for attAchment to.2)..2 "PAYSAGES" & "CHARLES CHEVALIERS/ PRIX/ MEDAILLES D'OR/ EN 1834" incised on darkened collar..3 "00" incised in smaller of 2 holes in flat face of lens cover collar.

Missing

.1 MISSING LENS. .3 MISSING SLIDING COVER. OTHER COMPONENTS MAY BE MISSING.

Finish

.1-.3 BRIGHT LACQUERED BRASS CASING, SAVE SELECTED AREAS WHICH HAVE DULL BLACK FINISH.

Decoration

N/A