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Greg Larchin Photographer
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DSLR CAMERA/LENS CALIBRATION

Picture

a digital camera aligned to the target for calibration

focus_accuracy_2020.pdf
File Size: 151 kb
File Type: pdf
Download File

autofocus_adjustment_details_and_pricing_2020.pdf
File Size: 155 kb
File Type: pdf
Download File

​Interchangeable lens cameras and their lenses are often made in different factories at different times and each is made to a tolerance. The first time a particular camera and lens are mated together is after the purchase. They have never been tested as a unit. Due to the manufacturers allowable tolerances they may not focus accurately. Most mid to high range cameras come with a menu option to facilitate AF Fine Tune, also referred to as AF Micro-adjustment. These cameras are capable of storing calibration settings for up 20 lenses. When a calibrated lens is fitted to the camera body it is automatically recognised and  the appropriate calibration adjustment is enabled. The result is focus where you want it. For more information I have provided files for download.

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