{"product_id":"distortion-dot-chart-16-9","title":"Distortion Dot Chart 16:9","description":"An indispensable tool used by VFX and cinematography professionals around the world - our standard Distortion Dot Chart is used to record, evaluate, and quantify distortion in cinema lenses for use in post-production. Also used for image evaluation software such as Imatest for quantifying geometric distortion. Each dot is a precise 0.250\" in diameter and spaced 1.0\" apart, center to center. The chart measures 24\" x 42\" which provides generous coverage for a variety of lens focal lengths and measurement distances. Printed in-house onto ultra-bright enhanced matte paper with our unique deep-black technique for excellent contrast and resolution. Ships carefully rolled, unmounted.","brand":"Duclos Lenses","offers":[{"title":"Default Title","offer_id":56210188370225,"sku":"38201132","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/8703\/5441\/files\/DistortionDotChart_1900x1200_26c9c70b-6bbc-4515-a140-9d690644f7ec.png?v=1789049911","url":"https:\/\/www.impulsecameras.com\/products\/distortion-dot-chart-16-9","provider":"IMPULSE","version":"1.0","type":"link"}