High Resolution 8.5x11" Chrome SD Professional Lens Test Chart, 3-Pack electronics3 cm Transmission Ratio: 136

cm Transmission Ratio: 136

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High Resolution 8.5x11" Chrome SD Professional Lens Test Chart, 3-Pack electronics3 cm Transmission Ratio: 136High Resolution 8. 5x11" Chrome SD Professional Lens Test Chart, 3 Pack DGK Chrome SD 8" by 11" Professional Lens Test Chart Set of 3 Charts: FEATURES: Front of chart has multiple bar, wedge, zone, and star patterns for lens testing. Works with any film or digital camera video system. Back of chart has rectilinear grid pattern for lens distortion testing (barrel and pincushion distortion testing). Precise color wheel, CMYK and natural color targets to