Extension ring
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1995.1388.001
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- OBJECT TYPE
- 27.5MM/BAYONET/AUTO
- DATE
- 1976
- ARTIFACT NUMBER
- 1995.1388.001
- MANUFACTURER
- Nippon Kogaku K.K.
- MODEL
- PK-3
- LOCATION
- Tokyo, Japan
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL; SYNTHETIC
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 6.9 cm
- Height
- 3.8 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Photography
- Category
- Still camera accessories
- Sub-Category
- N/A
Manufacturer
- AKA
- Nikon
- Country
- Japan
- State/Province
- Unknown
- City
- Tokyo
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- PROBABLY THE 1970'S AND 1980'S
- Canada
-
PART OF A COLLECTION OF PHOTOGRAPHIC EQUIPMENT FROM THE ESTATE OF WILFRED HAROLD OLSON, FOUNDER AND PRESIDENT OF DOMINION WIDE PHOTOGRAPHY LTD., OTTAWA (C 1950-1995). MR. OLSON WAS A PHOTOGRAPHER FOR MANY YEARS AND HIS STUDIO DID WORK FOR BOTH THE OTTAWA JOURNAL AND THE CBC. - Function
-
USED TO INCREASE THE LENS-TO-FILM DISTANCE IN A CAMERA AND THUS INCREASE THE REPRODUCTION RATIO FOR CLOSE-UP PHOTOGRAPHY - Technical
-
EXTENSION RINGS DEVELOPED AS AN INEXPENSIVE WAY TO CHANGE A CAMERA LENS WITHOUT HAVING TO USE AN ENTIRELY NEW LENS - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON SIDE: 'Nikon PK-3 27.5 JAPAN'
- Missing
- N/A
- Finish
- MIDDLE RING GLOSS BLACK WITH TOP AND BOTTOM BRUSHED METAL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Nippon Kogaku K.K., Extension ring, circa 1976, Artifact no. 1995.1388, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.1388.001/
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