人眼的分辨率 μ=133 Object μ1 Image 4=1.38 Iris is a variable μ=1.38-1.41 aperture that adjusts intensity of Optic nerve detects signal light allowed in. projected onto retina by curved lens. ~0.2 mm 25 cm distance 12人眼的分辨率 12 ~0.2 mm @ 25 cm distance