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Diffractive Optical Element DOE Viewfinder (Lines Square) - 35° at 650nm, PET 5x0.188 mm or PMMA 5x1 mm -
Diffractive Optical Element DOE Viewfinder - 39.1°x25.5° at 650nm, PET 5x0.188 mm or PMMA 5x1 mm
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Diffractive Optical Element DOE Viewfinder (Circle + Cross) - 21° at 650nm, PET 5x0.188 mm or PMMA 5x1 mm
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Diffractive Optical Element DOE Viewfinder (Lines Square + Cross) - 35° at 650nm, PET 5x0.188 mm or PMMA 5x1 mm
