Lens
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Ingenium,
2001.0397.001
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- OBJECT TYPE
- DIALYTE/IRIS DIAPHRAGM
- DATE
- 1921
- ARTIFACT NUMBER
- 2001.0397.001
- MANUFACTURER
- TAYLOR-HOBSON
- MODEL
- COOKE AVIAR ANASTIGMAT SERIES II
- LOCATION
- England
More Information
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
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
TAYLOR-HOBSON, Lens, after 1921, Artifact no. 2001.0397, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2001.0397.001/
FEEDBACK
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