![]() ![]() Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Nikon or on Canon or on Pentax. Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field. The Zeiss Siemens Star Test Chart is a professional lens chart that has been used for decades to set the back focus on lenses used on individual cameras.Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.Make sharper images just by understanding lens behavior you won’t read about elsewhere. Real world examples with insights found nowhere else.The results for the Zeiss and Leica lens are shown below for. Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops. The first test I made is the Siemens star test evaluated with the Image Engineering software.Scotch tape or some other adhesive material to keep the focus chart on the wall. Make sure to print on regular paper, not anything glossy like photo paper. You can print it on a laser printer or inkjet (doesn’t really matter). Many examples show processing parameters for direct insight into how the image was converted. Print out either this Siemens Star Focus Chart or this Focus Test Chart on regular letter size paper. Workflow discusses image organization, raw conversion and post processing.Save money by choosing the right lens for your needs the first time, particularly some of the new Sigma Art lenses vs Nikon and Canon.Make better images by learning how to get the best results right away. ![]() Special emphasis is placed on lens evaluation, focusing on Canon and Nikon and Sigma lenses, but with a few others like Rokinon/Samyang. In the field of video production, where it is often called a back focus chart, the Siemens star is widely used to adjust the back focus of removable lenses. Much of the focus is on Canon and Nikon but also Pentax and Pentax medium format. Subscribe now for about 16 cents a day ($60/year).īEST DEAL: get full access to ALL 8 PUBLICATIONS for only 68 cents a day ($249.95)!ĭiglloyd DAP is DSLR-oriented, but also contains workflow and other topics. Diglloyd Advanced DSLR is by yearly subscription. ![]()
0 Comments
|
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |