{"product_id":"da077","title":"DA077","description":"\u003ch3 class=\"product-name\"\u003eTarget USAF 1951 High Res fused Silica (POS)\u003c\/h3\u003e\n\u003cdiv id=\"main\" class=\"clearfix\"\u003e\n\u003cdiv id=\"column-right\" class=\"clearfix\"\u003e\n\u003cdiv id=\"product-info-wrap\" class=\"clearfix\"\u003e\n\u003cdiv id=\"product-tabs\" class=\"clearfix tinytabs\"\u003e\n\u003cdiv id=\"description-tab\" class=\"section\"\u003eThe USAF 1951 target pattern is a versatile aid for the determination of resolution and contrast in optical systems. The target pattern is defined by MIL-S-150A and contains blocks of 3 equally spaced bars set at right angles to each other. The frequency of each element varies according to the included chart. The large range of frequencies helps to pinpoint the resolution at which the system loses contrast or MTF.\u003cbr\u003e\u003cbr\u003eThis high resolution version of the standard USAF 1951 resolution target covers Group 0 Element 1 (1.00 LP\/MM) to Group 9 Element 3 (645.08 LP\/MM). The pattern is formed in durable double layer reflective chromium on a stable 1.5mm thick fused silica (Quartz) substrate.\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003ePositive Version: Opaque features on a clear field\u003c\/li\u003e\n\u003cli\u003eOverall dimensions are 2” x 2”\u003c\/li\u003e\n\u003cli\u003eA User Card is included to convert Group\/Element numbers to Line Width and Frequency\u003c\/li\u003e\n\u003cli\u003ePlastic carrying case is included to protect the target\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003eFor complete specifications on this target, please see the drawing listed under\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003ebelow.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"prod-ctgy-hdft-footer\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"hdft-footer\"\u003e\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\u003cdiv itemprop=\"offer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Offer\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv itemprop=\"offer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Offer\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/DA077.pdf?v=1764699698\"\u003eClick here to download drawing\u003c\/a\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"column-left\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45009405214857,"sku":null,"price":1140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/DA077.jpg?v=1764699746","url":"https:\/\/maxlevy.com\/products\/da077","provider":"Max Levy","version":"1.0","type":"link"}