by damned truths

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The EOS utility can only adjust the focus on your camera when the lens is set to AF (as it needs to use the motors in the lens to move the elements). If your lens is set to AF you should be able to adjust the focus in EOS Utility using this area: Note the arrow buttons in particular, these can be used for adjusting the focus remotely by eye However, as ...


The AF confirmation actually works on a very similar principle to the old focus screen, in that they compare two different optical paths in order to determine exactly how in or out of focus the image is. The exact technique is different, but they accomplish the same end goal. The only difference is a computer is comparing the sides of the circle for you. ...


With this chip, you will, when you half-press the shutter, get the red dot in the viewfinder and the beeping as confirmation of focus, just as if you used a modern AF lens in manual focus mode. But, if you long for the split screen focussing aid, there are third-party focussing screen replacements you can install in your camera. (just for a quick example: ...


Unfortunately there is quite a lot of information missing in your question in order for me to accurately answer it, but I think I understand the general gist of what you’re trying to do so hopefully this quick reply helps.   I think that the biggest problems you’re probably experiencing in this scenario (photographing birds) are: The ...

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