Outdoors initially sounds like a good idea, but any wind can disturb the setup and clouds can change the light level during the test and cause calibration problems, so we wouldn't recommend this. It's best to avoid fluorescent or cheap LED lighting as these can flicker and cause problems with calibration. If FoCal is warning you that the light level is too low, you can supplement the lighting on the target with a constant light source. The best setup is to have the target in a well lit room. FoCal will check the lighting level before running a test and you can adjust if necessary, so pick a location to start with and you will check to make sure it's OK with FoCal before you calibrate this is covered below. To be able to do this, we need the AF system to work to the best of its ability, and for this we need plenty of light on the target. The purpose of the calibration is to make sure that the AF system of your camera and lens is working together perfectly. You can use a USB extension cable but in our experience these can cause some problems with reliability and we wouldn't advise it unless you have no other choice. If you're using a laptop this won't usually be a problem, but if you have a desktop then consider this when choosing a calibration location. Your camera will also need to be close enough to your computer to be able to plug in the USB cable. The Target Distance Tool will help you choose the right distance, but here are some examples for common lens focal lengths. If the camera is too close to the target, the results of the calibration won't be as good for general shooting. The distance between the camera and the target is important for a good calibration. You'll need to attach the target to a flat, vertical wall and aim the camera at the target, so pick a height at which you can easily aim the tripod mounted camera.
#Reikan focal скачать software#
You should have the software installed and ready to go, but if you're not in that position head to the guides below to help you get set up. This page will show you what you need to do to run your first calibration.
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