50-200 mm or 70-300 mm?
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDvVxNBRQlzPNkVwufYa5rw5NAQoAE2fZuHO2KtLke8rmqLo7R0XYI5NVfCjknxjBDdkdMl1oIRNSwSCoDYDQTgeeBJU3CHZDas-gtyOI1HWIG76uAOsd9QLTnTl6YR1EnJw8aLbzeqX1I/s1600/70-300mm lens.jpg
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См. статью: Which is a better lens for my Nikon D51 from usability perspective?