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Whether you’re a seasoned professional or an enthusiast looking to elevate your photography or videography, understanding the functionality and advantages of a parfocal lens is crucial in making an informed decision about adding this powerful tool to your optical arsenal.

Unlike more common varifocal lenses, which require the photographer or videographer to refocus after every zoom adjustment, parfocal lenses are designed to hold the focus constant, offering significant advantages.

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5. Conclusion A parfocal lens represents a blend of optical excellence and engineering precision, designed to meet the needs of professional photographers and videographers who require seamless focus adjustment capabilities. While the investment in a parfocal lens may be significant, the benefits it offers in terms of time, efficiency, and image quality can be invaluable, particularly in dynamic shooting environments where focus consistency is paramount.

The word comes from two Latin words: “par,” meaning equal, and “focus,” indicating its primary characteristic of retaining sharp focus throughout zoom adjustments.

This is a better video that gives examples of how shots stay in focus, and how to properly use a Zoom lens from a artistic point of view.