| http://www.w3.org/ns/prov#value | - FIG. 11A is a plan view, FIG. 11B is a sectional view taken along line F-F of FIG. 11A, FIG. 11C is a bottom view, and FIG. 11D is a sectional view taken along line G-G of FIG. 11A. As shown in FIGS. 11A to 11D, a slit-shaped opening 10 may be provided at each of the entrance side and exit side of an erecting lens array.
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