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The camera body that the 150-600mm lens will be used on must also be taken into consideration when choosing. Even though many of these lenses work with both full-frame and crop-sensor cameras, it’s still a good idea to read the … Read more

Sigma is the most famous camera lens maker in the market nowadays. When they originally launched their new Global Vision (which generated the ART series as one of the three branches of lens design), they began to dive into the … Read more