The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. T20 usaf 1951 chart standard layout product specifications please contact applied image customer service at the address noted above, for custom images, shapes and materials. Resolution testing of imaging optical equipment is still commonly performed using the usaf 1951 target. A 1951 usaf resolution test chart is a microscopic optical resolution test device originally defined by the u. High precision models are also available for demanding or precise measurement requirements. Resolution features of the 1951 usaf resolution target are arranged in. Usaf resolution charts are recognised the world over as a universal standard for testing the vertical and horizontal resolution of imaging. They are in pdf format to ensure that they print to scale. Click on a thumbnail and print the target from the popup pdf window. Just like in the usaf 1951 test target, each test element in the microcopy test target is a factor, 0.
The free targets below are all printable and downloadable. Usaf1951 test charts also called usaf1951 test targets get their name from. I use a 10x microscope objective lens, how to decide the resolution of my. Test target t10 from applied image, rochester, ny the length of the bar for microcopy test element 1. Place the resolution target in a slide holder in the center of your scanners atbed or in your. Obtain scans with the best possible crispness and sharpness. I could have been a bit more to the point but i think i was in awe of just finally making it. Visiting the 1951 usaf51 resolution test chart in california. With the silverfast scan software and the new resolution target usaf 1951 you can determine right away, which resolution to best use with your scanner. The hito steyerl piece i refer too can be seen here and the title is completely different. A usaf 1951 resolution chart in pdf format is provided by yoshihiko takinami.
Using usaf1951 resolution test target applied image. Resolution target is equally well suited for film and flatbed scanners with transmissive unit. The necessary use of this tablet when using the standard usaf 1951 resolution test target t20 inspired the development of the applied image products usaf 1951 direct read resolution test target t21 and the usaf 1951 linear direct read resolution test target t22. Resolution test targets use a variety of patterns including ronchi or star to measure a systems resolution. One way to test your own lenses is with the usaf 1951 lens testing chart.
The best way to do this is to download a high resolution file of the chart from the link at the bottom of the page, and print the file out at about 3x3 inches in size on photo paper at your printers highest resolution with many printers. Edmund optics offers a wide range of resolution test targets suited for many imaging measurement needs. Values in 100x lines per picture height this test chart is for use with iso 12233 photography electron ic still picture cameras resolution measurements chart serial no. The optical resolution charts are used to test characteristics such as resolution, contrast, distortion and. Testing and targets choosing the correct test target. Silverfast resolution target usaf 1951 for optimum sharpness the silverfast resolution target in combination with silverfast software is a simple way to determine just what the maximum resolution of your particular scanner is. Thats the socalled object side resolution, as obviously details of this size on. Each set consists of a subset of three vertical lines and a subset of three horizontal lines. This chart should be printed such that the side of the square of the 1st. Resolution test targets resolution test target edmund. A 1951 usaf resolution test chart is a microscopic optical resolution test device originally. The limiting resolution is normally calculated from the group and element that can just be. It is widely used in optical engineering laboratory work to analyze and.