Journal of The Society of Photographic Science and Technology of Japan
Online ISSN : 1884-5932
Print ISSN : 0369-5662
ISSN-L : 0369-5662
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Volume 86, Issue 3
Displaying 1-4 of 4 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    2023 Volume 86 Issue 3 Pages 215-252
    Published: August 20, 2023
    Released on J-STAGE: February 29, 2024
    DOIhttps://doi.org/10.11454/photogrst.86.215
    JOURNAL OPEN ACCESS
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    [in Japanese]
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  • Development of a Telephoto Macro Lens that Enables a Maximum Shooting Magnification of 4x′′
    [in Japanese], [in Japanese], [in Japanese]
    2023 Volume 86 Issue 3 Pages 253-256
    Published: August 20, 2023
    Released on J-STAGE: February 29, 2024
    DOIhttps://doi.org/10.11454/photogrst.86.253
    JOURNAL OPEN ACCESS
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    OM Digital Solutions enables shooting with a maximum shooting magnification of 4x(35 mm format equivalent)the telephoto macro lens “M. ZUIKO DIGITAL ED 90 mm F3.5 Macro IS PRO” has been released. With its overwhelming close-up performance, compact size, light weight, high-speed and high-precision autofocus, and excellent image stabili- zation performance, this lens enables hand-held macro photography. and offers high resolution over a wide range from infinity to 4x magnification, and achieve beautiful bokeh with reduced color bleeding. In this article, we will explain the features of this camera, such as the combination of close-up shooting performance and weight reduction, high- speed and high-precision autofocus, depth composite shooting, and advanced image stabilization technology.
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  • Development of Super Wide Lens“HD PENTAX-D FA 21 mmF2.4ED Limited DC WR”
    [in Japanese]
    2023 Volume 86 Issue 3 Pages 257-260
    Published: August 20, 2023
    Released on J-STAGE: February 29, 2024
    DOIhttps://doi.org/10.11454/photogrst.86.257
    JOURNAL OPEN ACCESS
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    We will introduce the development of the super wide lens “HD PENTAX-D FA 21 mm F2.4ED Limited DC WR” that has original ideology and characteristic quality.
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  • Pioneers in the History of Photographic Technology Part 2
    ―Three Pioneers of Photography in the Arcane Age before 1839―
    [in Japanese]
    2023 Volume 86 Issue 3 Pages 261-269
    Published: August 20, 2023
    Released on J-STAGE: February 29, 2024
    DOIhttps://doi.org/10.11454/photogrst.86.261
    JOURNAL OPEN ACCESS
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    In a previous report, 1839 was the year when photographic technology changed from arcane art to science. That year, when the daguerreotype pension bill was debated in the French parliament, physicist and member of parlia- ment Arago was the first to unravel the technical history of photography. He reported that Daguerre’s invention was solid and could be expected to be useful in the fields of art and science. About 40 years later, during the dry plate era, Austrian photographic chemist Professor Eder claimed that the German medical scientist Schulze was the “first in- ventor” of photography, which means “writing with light.” In response, a descendant of Wedgwood in England argued at an academic conference that Wedgwood was the“first photographer” who attempted to photograph with silver chloride paper and camera obscura. In France, on the other hand, Niépce, who had taught Daguerre about Heliogra- phy, had been repeatedly claimed to be the “true inventor”. In this history of photography, we will review the contri- butions of three pioneers of the esoteric age of photography, based on the records of their recommenders.
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