远摄镜头的性能加上f/2.8的光圈，再加上最长500mm的长焦端，使该镜头适合拍摄野生动物和体育赛事，也是天文爱好者进行天文摄影的绝佳镜头。

The combination of telephoto capabilities and an f/2.8 aperture throughout the zoom range up to 500mm makes this a great lens for wildlife, sports and for you stargazers, astrophotography.

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有了性能极限图，加上对服务器工作负载增长趋势的跟踪，就可以在出现重大危机之前升级服务器，轻松赢得这场战争。

Armed with performance envelope graphs, combined with tracking your server workload growth trends, you can win the battle for upgrading a server before there is a major crisis.

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这个新特性，加上 SWITCH 阶段性能和诊断的改进，提高了在线重组的可用性和性能。

This new feature, along with improvements to SWITCH phase performance and diagnostics, increases the usability and performance of online reorganization.

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