![]() Having said that, the only lens I have ever owned that has had a major focus calibration issue was a Nikon 50mm f/1.4. However, if for example you are a portrait photographer who has invested in a set of prime lenses and you almost always photograph your subjects between f/1.4 and f/2.8 – you definitely want to make sure that your lens’ focus is bang on – because at f/1.4 the difference between your subject’s eye being in focus versus their eyelashes is a big problem. Now, if you’re a landscape photographer who photographs everything at f/16, you’re probably not going to notice it your lens’ focus is slightly off. With modern high megapixel cameras even a slight front or back focus can be the difference between a usable image and a reject. Why You Should Calibrate The Focus on Your LensesĪll lenses have some tolerance built into the manufacturing process, so not every lens focuses exactly the same. ![]()
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