2007 - 200 Sk Proof 200. výročie narodenia Jozefa Maximiliána Petzvala
SPECIFIKACE
průměr: 34 mm
hmotnost: 18 g
ryzost: 900/1000 Ag, 100/1000 Cu
hrana: nápis: „PRIEKOPNÍK MODERNEJ OPTIKY A FOTOGRAFIE“
náklad provedení proof - 2500 ks, max. 5000 ks
náklad provedení b.k. - 4700 ks, max. 8500 ksemise rok 2007
2007 - 200 Sk Proof 200. výročie narodenia Jozefa Maximiliána Petzvala
BEST SELLERS
diameter: 34 mm
weight: 18 g
purity: 900/1000 Ag, 100/1000 Cu
edge: sign: „PRIEKOPNÍK MODERNEJ OPTIKY A FOTOGRAFIE“
mintage quality proof - 2500 pcs, max. 5000 pcs
mintage quality unc. - 4700 pcs, max. 8500 pcsissue day rok 2007
Objednávkový kód: KSSK84
weight: 18 g
purity: 900/1000 Ag, 100/1000 Cu
edge: sign: „PRIEKOPNÍK MODERNEJ OPTIKY A FOTOGRAFIE“
mintage quality proof - 2500 pcs, max. 5000 pcs
mintage quality unc. - 4700 pcs, max. 8500 pcsissue day rok 2007
Objednávkový kód: KSSK84
ABOUT 2007 - 200 Sk Proof 200. výročie narodenia Jozefa Maximiliána Petzvala
Jozef Maximilian Petzval (6. 1. 1807 - 17. 9 1891) - physicist, mathematician, university professor, inventor, pioneer of modern optics and photography, was an important representative of 19th century science and technology.
His scientific and research work was devoted especially to optics. His main contribution was calculation of the correction of optical systems and calculation of complex optical systems. In 1840, he calculated the parameters for a new, substantially improved portrait lens, and later also the parameters for a landscape lens. These inventions substantially widened the possibilities for photography. He perfected the microscope and telescope, and constructed a projecting lens with great luminosity. He contributed to the development of acoustics, created the theory of the oscillation of stretched strings and concerned himself with analytic mechanics, especially with questions of the stability of bridges, funiculars and high buildings. He wrote a work about differential equations, many expert studies and articles. He was a member of the Academy in Vienna and of the Hungarian Academy of Sciences.
Description of the coin
Obverse:
The daguerreotype with a lens made according to Petzval's calculations is depicted in the center of the coin obverse. The diagram of the optical system of the lens is on the background. The name of the state SLOVENSKA REPUBLIKA appears near the upper edge of the coin and the year of issue 2007 is to the right near the bottom edge. The state shield is to the right from the tripod of the photographic apparatus, the nominal value 200 Sk is to the left. The mintmark of the Kremnica Mint and the stylized initials of Karol Licko, the designer, are located over the year of issue.
Reverse:
The portrait of Jozef Maximilian Petzval with a part of diagram of lens in which the mathematical formula is located are depicted on the reverse of the coin. His name JOZEF MAXIMILIAN PETZVAL is located near the upper edge of the coin, the years of the birth and death, 1807 - 1891, appear near the bottom edge.
Jozef Maximilian Petzval (6. 1. 1807 - 17. 9 1891) - physicist, mathematician, university professor, inventor, pioneer of modern optics and photography, was an important representative of 19th century science and technology.
His scientific and research work was devoted especially to optics. His main contribution was calculation of the correction of optical systems and calculation of complex optical systems. In 1840, he calculated the parameters for a new, substantially improved portrait lens, and later also the parameters for a landscape lens. These inventions substantially widened the possibilities for photography. He perfected the microscope and telescope, and constructed a projecting lens with great luminosity. He contributed to the development of acoustics, created the theory of the oscillation of stretched strings and concerned himself with analytic mechanics, especially with questions of the stability of bridges, funiculars and high buildings. He wrote a work about differential equations, many expert studies and articles. He was a member of the Academy in Vienna and of the Hungarian Academy of Sciences.
Description of the coin
Obverse:
The daguerreotype with a lens made according to Petzval's calculations is depicted in the center of the coin obverse. The diagram of the optical system of the lens is on the background. The name of the state SLOVENSKA REPUBLIKA appears near the upper edge of the coin and the year of issue 2007 is to the right near the bottom edge. The state shield is to the right from the tripod of the photographic apparatus, the nominal value 200 Sk is to the left. The mintmark of the Kremnica Mint and the stylized initials of Karol Licko, the designer, are located over the year of issue.
Reverse:
The portrait of Jozef Maximilian Petzval with a part of diagram of lens in which the mathematical formula is located are depicted on the reverse of the coin. His name JOZEF MAXIMILIAN PETZVAL is located near the upper edge of the coin, the years of the birth and death, 1807 - 1891, appear near the bottom edge.