| http://www.w3.org/ns/prov#value | - noise) ratio. [0044] In addition, when employing deep ultraviolet rays for the purpose of shortening the wavelength, quartz may be conceived as a glass material to be used in the diffractive lens element or the lens. [0045] Further, although in the present example, one diffractive lens element is used (for example, forming elements on both surfaces), various embodiments, such as configuring an op
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