Thursday, December 12, 2013

EADS SODERN CERCO f4.1 94mm vs Coastal Optical Systems Inc. 105mm f/4 UV-Micro-Apo lens for reflected ultraviolet photography

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Today about two specialized UV lenses, the EADS SODERN CERCO type 2085 f4.1 94mm and the Coastal Optical Systems Inc. (COSI) 105mm f/4 UV-M...
Tuesday, November 12, 2013

Treasury flower - Gazania rigens in deep reflected ultraviolet photography, simulated butterfly and bee vision V

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Today more about my last surviving Gazania flower Treasury flower - Gazania rigens in reflected ultraviolet photography using my "work...

Treasury flower - Gazania rigens in deep reflected ultraviolet photography, simulated butterfly and bee vision IV

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Today about my last surviving Gazania flower Treasury flower - Gazania rigens in reflected ultraviolet photography using my "work hors...

Old 105mm + 75mm Helioplan enlarger lenses for reflected ultraviolet photography

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Today about some older, quite capable UV transmitting Helioplan enlarger lenses. I'm using a Gazania rigens flower for that test as wel...
Friday, September 27, 2013

Orange coneflower - Rudbeckia fulgida in reflected ultraviolet photography and simulated bee vision VIII

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Today more shots of that decorative flower Orange coneflower - Rudbeckia fulgida in reflected ultraviolet using Baader-U filter and in simu...
Wednesday, September 25, 2013

Using sunlight or shadow in reflected ultraviolet photography

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Today shots of a R. fulgida flower, but is about some principle observations when doing reflected ultraviolet photography in sun or shadow. ...

Autumn crocus - Colchicum autumnale in reflected ultraviolet photography and simulated bee vision

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Today shots of a decorative flower, Autumn crocus - Colchicum autumnale in reflected ultraviolet photography using my "work horse...