Friday, June 30, 2017

Petri Kuribayashi 35mm vs Kyoei E-Acall 50mm lens for reflected UV photography VII

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Today a spectrometric test using that previously mentioned Petri Kuribayashi f3.5/35mm lens , compared to a recently found Kyoei E-Acall f3....
Monday, June 12, 2017

White balancing options: SPECTRALON (R) versus sintered PTFE versus virgin white PTFE / Teflon (R)

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Today a spectrometric test of materials used for white balancing of reflected UV photography: SPECTRALON (R) calibrated reflection standard ...
Monday, May 8, 2017

Petri Kuribayashi 35mm vs Kyoei Acall 80mm lens for reflected UV photography VI

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Today a spectrometric test using that previously mentioned Petri Kuribayashi f3.5/35mm lens , compared to a Kyoei Acall f3.5/80mm lens in M4...
Thursday, April 6, 2017

Petri Kuribayashi 35mm vs Kyoei Acall 180mm lens for reflected UV photography V

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Today a spectrometric test using that previously mentioned Petri Kuribayashi f3.5/35mm lens , compared to a Kyoei Acall f3.5/180mm lens in M...

Petri Kuribayashi 35mm vs Kyoei W. Acall 35mm lens for reflected UV photography IV

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Today a spectrometric test using that previously mentioned Petri Kuribayashi f3.5/35mm lens , compared to the W. Acall f3.5/35mm lens in Lei...
Tuesday, January 17, 2017

Gasometer Oberhausen Museum, Wonders of Nature Exhibit extended until end of 2017 IV

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Gasometer Oberhausen Museum has reported a record breaking visitor count of 750.000 by end of 2016 for their "Wonders of Nature" ...
Monday, January 9, 2017

Moth orchid - Phalaenopsis in reflected ultraviolet photography and simulated butterfly and bee vision

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Today studio shots of a decorative flower, Moth orchid - Phalaenopsis in reflected ultraviolet photography using my "work horse" ...