バラさんでも中身が見えるCANON EF 200-400mm f/4L IS USMレンズ

”When you’re trying to convince photographers that an $11,000 camera lens is a worthy investment, sometimes you need more than a list of specs. So Canon created a short stop-motion video of its EF 200-400mm f/4L IS USM lens disassembling itself and revealing all of its wonderfully complicated internal components.【gizmodo】

Canon EF200-400mm F4 L IS USM EXTENDER1.4× といえば1,330,000円もする高価なレンズ。光学系に蛍石1枚とUDレンズ4枚が使われた望遠ズームレンズの美しいバラし分解の動画が公開された。

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