General Information

Serial #

A-20118

Part Number

1

Total Parts

15

AKA

N/A

Patents

N/A

General Description

ALUMINUM TELESCOPE & PARTS/ GLASS LENSES & MIRRORS/ SYNTHETIC PARTS/ LEATHER CARRYING CASE WITH FABRIC LINING/ SYNTHETIC LUGGAGE COVER

Dimensions

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

Length

21.3 cm

Width

21.3 cm

Height

41.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Astronomy

Category

Observation equipment

Sub-Category

N/A

Manufacturer

AKA

QUESTAR

Country

United States of America

State/Province

Pennsylvania

City

New Hope

Context

Country

Canada

State/Province

Ontario

Period

CA 1960 TOPRESENT

Canada

AN AMERICAN MADE TELESCOPE USED BY THE DOMINION OBSERVATORY IN OTTAWA, & LATER BY NMST AS PART OF ITS ASTRONOMICAL EDUCATIONAL PROGRAMME.

Function

AN OPTICAL INSTRUMENT WHICH PROVIDED A DISTINCT, MAGNIFIED IMAGE OF DISTANT OBJECTS FOR ASTRONOMY & NATURE STUDY AND OBSERVATIONS. THIS TELESCOPE WAS PRIMARILY AN ASTRONOMICAL OBSERVING INSTRUMENT, & COULD SERVE AS THE TELESCOPIC LENS OF A CAMERA FOR STILL OR CINEMA PHOTOGRAPHY.

Technical

INTRODUCED IN 1954, THE QUESTAR WAS A SMALL TABLETOP OR PORTABLE TELESCOPE WITH MAKSUTOV CASSEGRAIN CATADIOPTRIC OPTICS. IT WAS MARKETED FOR USE BY ASTRONOMERS, NATURALISTS, PHOTOGRAPHERS, ETC. IN ADDITION TO THIS 3.5 INCH APERTURE MODEL, THERE WAS ALSO THE QUESTAR SEVEN, WITH A 7 INCH APERTURE (REF. 2).

Area Notes

Unknown

Details

Markings

WHITE LETTERING ON BARREL READING 'QUESTAR CATADIOPTRIC/ APOCHROMATIC TELESCOPE/ VARIABLE FOCAL LENGTH. VISUAL: 45.5" f/13. PHOTOGRAPHIC: 49" f/14 AND 56" f/16. CLEAR APERTURE: 89 mm (3.5")/ ELEC. DRIVE: 2W 115V 60 (CYCLES) AC' & 'QUESTAR CORPORATION/ NEW HOPE. PA. U.S.A.' WITH PATENT NOS./ DECALATTACHED TO BASE STAMPED 'A-20118/ DO NOT REMOVE THIS TAG'/ WHITE PAINTED STAR CHART ON BARREL, BLUE & YELLOW STAR CHART ON DEWCAP/ STAMPED GOLD LETTERING ON EYEPIECES READS '80-160X' & '40-80X' RESPECTIVELY; BOTH STAMPED 'LENS MADE IN JAPAN'/ INDENTED WHITE 'QUESTAR' & 'R' ON RED DISKS ON SIDES & LENS COVER

Missing

none apparent

Finish

PLATED METAL TELESCOPE BASE & PARTS/ BLUE SYNTHETIC COVERED BARREL & DEWCAP/ BLACK ENAMELLED PARTS & EYEPIECE HOUSINGS/ RED ENAMELLED DISKS ON BASE, SIDES, & LENS COVER/ CLEAR SYNTHETIC AZIMUTH MARKER/ WHITE & BLUE AZIMUTH ON BASE/ BROWN LEATHER CASE/ BROWN LUGGAGE COVER/ FLAT BLACK PAINTED SOLAR FILTER HOUSING

Decoration

WHITE & RED BILINGUAL DECALS ON LUGGAGE COVER READING 'HANDLE WITH CARE/ FRAGILE'/ RED IMPRESSION PRINTED INSTRUCTION LABELS