General Information

Serial #

172294

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

.1 GLASS OPTICS; METAL CASING..2 WOOD LENS BOARD HAS METAL & SYNTHETIC FITTINGS FOR MOUNTING LENS.

Dimensions

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

Length

6.4 cm

Width

6.4 cm

Height

4.6 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

TAYLOR HOBSON

Country

England

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

THIS TYPE OF LENS USED AFTER 1921+

Canada

THIS LENS SOLD IN CANADA BY EASTMAN KODAK STORES LTD., TORONTO, ON. LENS FROM A.M. HARDY COLL'N. ARCHIBALD HARDY OPERATED A PHOTO STUDIO ON SPARKS ST., OTTAWA IN 1930S. FOLLOWING WAR SERVICE, HE EST'D A STUDIO IN VANKLEEK HILL WHERE HE WORKED AS A HIGHSCHOOL TEACHER. HE SPECIALIZED IN WEDDING & PORTRAIT PHOTOGRAPHY. MR. HARDY CLOSED HIS STUDIO IN 1952. (REF. 2)

Function

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

Technical

GENERAL PHOTOGRAPHY VERSION OF ORIGINAL LENS DEV'D FOR AERIAL PHOTOGRAPHY DURING WW 1. DIALYTE TYPE LENS CONSISTING OF 2 AIR-SPACED ACHROMATIC DOUBLETS, THE 2 OUTER ONES DOUBLE CONVEX, AND THE 2 INNER ONES DOUBLE CONCAVE. USED NO CEMENT OR LENS COATINGS, WHICH DISCOLOUR OVER TIME. PRODUCED VERY CRISP OVERALL DEFINITION.(1)

Area Notes

Unknown

Details

Markings

.1 "TAYLOR-HOBSON COOKE AVIAR ANASTIGMAT NO172294 8 1/4 INCH. SERIES II f/4.5" marked in white on inner rim of lens housing. "Sold by/ Eastman Kodak Stores Ltd. Toronto" & "US" also marked on lens housing. "Made in England", Patent No. 113590" and f stop scale also marked on lens housing..2 "C&TH" logo marked on lens board face. "C" stamped into one corner of reverse.

Missing

NONE. .1 LENS HOUSING IS BENT.

Finish

.1 FLAT BALCK FINISH ON MOST EXTERIOR FINISHES, AND ON LENS CASING INTERIOR. PORTION OF LENS HOUSING BELOW/BEHIND LENS BOARD IS BRASS-COLOUR METAL..2 LENS BOARD FACE HAS PAINTED METALLIC GREEN FINISH; FLAT BLACK MOUNTING RING'S INNER SURFACE IS SILVER METAL; REVERSE OF LENS BOARD PAINTED FLAT BLACK.

Decoration

N/A