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21 Απρ 2020 · Check out the quality of your lenses with this free lens testing chart, available to download in A3 and A2 sizes at 300ppi resolution.
20 Οκτ 2004 · Download this really nice chart at measurebate your lenses to your hearts content. Its a great quality PDF. Since it is vector based and not rasterized, it will scale nicely to any output size.
Download, print and use this free lens autofocus calibration card to quickly and esily check and correct the autofocus of your camera and lens system.
Lens test data comparison. Our unique lens comparison widget lets you view test data for a wide selection of lenses, and compare them to each other at a range of apertures and focal lengths. First select the lens, then an appropriate test camera.
23 Ιουν 2024 · To give clarification and step-by-step explanation on the process, Canon engineers have been kind enough to put together a downloadable PDF that describes how a user could figure out if their gear needs AFMA, and then explains the process. It applies to all Canon EOS DSLRs with AFMA built-in, and all Canon EF and EF-S lenses.
22 Απρ 2021 · To do that, I will share with you techniques I have used to test my lenses. There are two parts to my lens-test goal: Evaluating the lens’s performance, Getting the testing out of the way so that I can go out and make photos. There are a lot of people out there who go absolutely nuts with lens testing.
23 Ιαν 2007 · What Makes a Good Test Chart; How to Print It (downloading offered here) Preparing to Use It; Taking the Shot; Interpreting the Results; 1. Introduction. If you suspect that your modern SLR or SLR lens has autofocus problems, you can use a chart like the one offered on this page to perform some tests.
