Lens focus test chart for free download. A simple and inexpensive way to test the focus on your lens or lenses.

The Lens Testing Focus Chart. I've written this article so that users can test their DSLR under a set of "standard" conditions. The lens testing chart which is shown at reduced size below can be downloaded (as a Zipped JPEG) HERE. You can see two sets of parallel lines which are your focus indicators.

本仓库提供了一个专门用于测试单反和无反相机对焦性能的测试卡资源文件。 该测试卡可以帮助用户自行测试相机的跑焦情况，确保拍摄时的对焦准确性.

Feb 6, 2020 · Below is the easiest and quickest way to test if your DSLR has an autofocus issue, along with a recommendation on what to do if there is a problem. This test can be used to detect front or back focus issues with a particular lens or a camera body.

Following this is a useful test that will allow you to accurately test your auto focus system and lenses. I hope this will be of use to you, both in determining whether your D70 needs attention, as well as being both fun and informative. Read on!

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.

Our test chart can help you to see how sharp your lenses really are and which are your lens’s best apertures when you are shooting for ultimate image quality. Professionally produced ISO 12233 test charts are available but they are expensive.

What is a focus chart? A focus chart is essentially a target for your camera to lock on to. It provides you with several different areas you can zoom in on to get the precise focus you …

Download the focus chart. This focus calibration chart can help you test the accuracy of your SLR camera's autofocus, and find the right focus micro-adjust setting if your camera has that feature. It's designed to be printed out and stuck onto poster-board, to …

Jan 23, 2007 · What Makes a Good Test Chart? Many factors make an autofocus test chart good or bad, but the two most overwhelmingly important are: the ability to ensure that the autofocus locks on to the exact location you intend, and; that it allows you to clearly interpret relative crispness of focus across the scene.