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Introduction

Why interchangeable lenses?

Which lens should I buy for my camera?

Such a simple question, but it’s actually one of the most important photographic decisions you can make. Nothing affects the technical quality of a photo more than the glass.

Lenses are at the very heart of the image-forming process. They’re not a peripheral, and they’re not an accessory.

Many new photographers put a lot of effort into choosing the right camera, but leave the lens as an afterthought. Lots of people rarely venture beyond the standard kit lens that came in the box. This is partly because of the expense. But it’s also because shopping for lenses is frankly ...

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