Zoom binoculars - A.Z.G. 25010/61 - 1850-1900 - Germany - Busch, Emil
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Selected by Anna Hue-Roques
Holds bachelor's degrees in Law and Art History with an Ecole du Louvre auctioneer diploma.
Estimate € 180 - € 220
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Antique opera glass from Germany by Emil Busch Rathenow, dating to circa 1850–1900, in Victorian Historicist style with gilt brass, mother-of-pearl inlays and optical glass, model A.Z.G. 25010/61, 2.5× magnification, 8 × 10 × 4 cm, signed on the base and in very good, tested working condition.
AI-assisted summary
Description from the seller
Experience the charm of bygone times with this antique opera glass, crafted from high-quality brass and noble mother-of-pearl. This rare collectible hails from Germany and represents an era in which artisanal craftsmanship and precision were at the forefront. Perfect for lovers of antiques and technology, it fits seamlessly into any collection of photographica and other works of art. An exquisite display piece that brings both historical flair and elegant design to your room.
Rarity!
EXTREMELY CLEAR GLASS AND MAGNIFICATION!
Adjustment via the middle wheel, buttery smooth and easy
Opera glass from the Emil Busch company, Rathenow! Circa 1880/1890.
Model number: A.Z.G. 25010/61
No chipping on the iridescent mother-of-pearl plates on the tubes and eyecups.
Historicist-Art Nouveau
Smooth magnification via the middle wheel!
Emil Busch (* August 6, 1820 in Berlin; died April 1, 1888 in Rathenow) was a German industrialist in fine mechanics and optics. He was involved in the invention of the wide-angle lens.
In 1868 Busch was appointed Royal Commercial Counselor by the king for his merits. In 1872 he transformed the company into a joint-stock company to facilitate the necessary investments. It did so with the help of the Quistorp & Co. Vereinsbank. The share capital of the joint-stock company amounted to 275,000 talers. In the newly formed firm Rathenower Optische Industrie-Anstalt formerly Emil Busch A.-G., Emil Busch subsequently held high positions as a “Delegate of the Supervisory Board” and as a director.
The company subsequently attained a dominant market position. Thanks to unofficial arrangements with Zeiss, it restricted free competition. Carl Zeiss had his son Roderich do a commercial apprenticeship at Busch. Busch himself contributed with an assessment that the state provided Zeiss’s Glass Technology Laboratory with a subsidy of 35,000 talers. Busch, who never studied, died in 1888. Because of him, and because of Johann and Eduard Duncker, the town of Rathenow became synonymous with high-quality optical devices.
The theatre glass impresses with its very good condition.
Smooth adjustment and alignment – clear lenses – dust-free, cleaned!
Minimal patina.
Brass, gilded and mother-of-pearl wrapping.
Signed on the underside: Busch!
Company name
Busch
An absolute must for enthusiasts and collectors!
Extremely good condition – almost no patina!
Approximate measurements: fully extended height: 8 cm
Length: 10 cm
Bottom lens width: 4 cm
Includes an elegant festive fabric carrying bag, black with gold accents!
Top condition!
Dear buyer!
All information has been provided to the best of my knowledge and belief.
I generally strive for an exact and precise description.
My description is often based on historical research and thorough investigations!
If, against all odds, an item does not meet your expectations, I kindly ask for feedback.
There is always a mutually satisfactory solution for everything!
Yours sincerely
Fred
Experience the charm of bygone times with this antique opera glass, crafted from high-quality brass and noble mother-of-pearl. This rare collectible hails from Germany and represents an era in which artisanal craftsmanship and precision were at the forefront. Perfect for lovers of antiques and technology, it fits seamlessly into any collection of photographica and other works of art. An exquisite display piece that brings both historical flair and elegant design to your room.
Rarity!
EXTREMELY CLEAR GLASS AND MAGNIFICATION!
Adjustment via the middle wheel, buttery smooth and easy
Opera glass from the Emil Busch company, Rathenow! Circa 1880/1890.
Model number: A.Z.G. 25010/61
No chipping on the iridescent mother-of-pearl plates on the tubes and eyecups.
Historicist-Art Nouveau
Smooth magnification via the middle wheel!
Emil Busch (* August 6, 1820 in Berlin; died April 1, 1888 in Rathenow) was a German industrialist in fine mechanics and optics. He was involved in the invention of the wide-angle lens.
In 1868 Busch was appointed Royal Commercial Counselor by the king for his merits. In 1872 he transformed the company into a joint-stock company to facilitate the necessary investments. It did so with the help of the Quistorp & Co. Vereinsbank. The share capital of the joint-stock company amounted to 275,000 talers. In the newly formed firm Rathenower Optische Industrie-Anstalt formerly Emil Busch A.-G., Emil Busch subsequently held high positions as a “Delegate of the Supervisory Board” and as a director.
The company subsequently attained a dominant market position. Thanks to unofficial arrangements with Zeiss, it restricted free competition. Carl Zeiss had his son Roderich do a commercial apprenticeship at Busch. Busch himself contributed with an assessment that the state provided Zeiss’s Glass Technology Laboratory with a subsidy of 35,000 talers. Busch, who never studied, died in 1888. Because of him, and because of Johann and Eduard Duncker, the town of Rathenow became synonymous with high-quality optical devices.
The theatre glass impresses with its very good condition.
Smooth adjustment and alignment – clear lenses – dust-free, cleaned!
Minimal patina.
Brass, gilded and mother-of-pearl wrapping.
Signed on the underside: Busch!
Company name
Busch
An absolute must for enthusiasts and collectors!
Extremely good condition – almost no patina!
Approximate measurements: fully extended height: 8 cm
Length: 10 cm
Bottom lens width: 4 cm
Includes an elegant festive fabric carrying bag, black with gold accents!
Top condition!
Dear buyer!
All information has been provided to the best of my knowledge and belief.
I generally strive for an exact and precise description.
My description is often based on historical research and thorough investigations!
If, against all odds, an item does not meet your expectations, I kindly ask for feedback.
There is always a mutually satisfactory solution for everything!
Yours sincerely
Fred
Details
Specific region of origin
Rathenow
Style subtype
Victorian Style
Era
1400-1900
Number of objects
1
Manufacturer/brand
Busch, Emil
Model/type number
A.Z.G. 25010/61
Material
Brass, fire-gilded, mother-of-pearl, optical glass, fabric.
Country of origin
Germany
Style
Antique
Physical condition
Very good
Functional condition
Tested and working
Magnification Factor
2.5
Height
8 cm
Width
10 cm
Type
Zoom binoculars
Depth
4 cm
Estimated period
1850-1900
Title additional information
Historicism-Signed
