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Oct 1, 2007
Improvements to PERMA series with introduction of Ex-Pres PERMA.
DOTI improves the PERMA series of mirrors with the Ex-Pres PERMA. ExPres-PERMA stands for Extreme Precision PERMA mirror. The Ex-Pres PERMA mirror includes a DOTI high quality ground and polished mirror mounted on a lightweight rigid backer. These mirrors will work perfectly with extremely high resolution projection systems, and preserve the precision from your lens.
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