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PENTAX Announces Exclusive HD Coating Technology PENTAX develops multi-layer lens coating process for new HD PENTAX l...
DENVER, CO — PENTAX RICOH IMAGING AMERICAS CORPORATION , introduces today its newly developed HD Coating technology – a multi-layer lens coating process – for all new HD PENTAX lenses for PENTAX K-Mount cameras.

Compared with conventional multi-layer coatings, the new multi-layer HD Coating,* exclusively developed by PENTAX, offers much improved light transmittance and a much lower refractive in...

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