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Header image for article NAB 2017: Schneider Optics

NAB 2017: Schneider Optics

In this video, I chat with Ron Engvaldsen from Schneider Optics about their new RHOdium Full Spectrum Neutral Density filters. Traditional ND filters have used organic dyes, with naturally varying densities and changes in spectral transmission over time. Schneider’s new filters aim for ruler-flat spectral response over the entire visible spectrum and down into near-infrared.

Because camera manufacturers have introduced better handling of IR contamination in recent years, existing IRNDs can now actually over-filter towards the infrared end of the spectrum, ironically introducing new issues when used with modern sensor/OLPF packages. Schneider’s FSNDs have been extensively tested with Sony, ARRI and RED cameras to make sure differences in sensitivity and spectral transmission introduce little to no variation among the red, green and blue color channels when viewed “end-to-end” on a vectorscope and other test equipment. Check out the video for more.

Ian McCausland
Camera Technology Specialist, AbelCine LA

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Intro image for article AbelCine EXPO Highlight: Filters for Digital Cinema
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On November 20, AbelCine held the first event in its new EXPO series: Filters for Digital Cinema. Tiffen, Schneider Optics, and Formatt participated and scores of clients attended or watched via Livestream. One of the more significant discussions was on the topic of IR pollution control.
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