CANON RF 70-200mm F2.8 L IS USM Z 鏡頭（黑色）

I’ve been shooting indoor sports, and the internal zoom design keeps the lens balanced even when I'm tracking fast action. The iris ring is a game-changer for subtle exposure adjustments mid-shot without touching the camera body.

Finally, a telephoto zoom that doesn't extend when you zoom — the iris ring is a clever touch for precise video work too. The build quality is exactly what you'd expect from this series, and the focus is lightning fast.

The internal zoom is a game changer for gimbal work since the barrel doesn't extend and throw off balance mid-shot. Autofocus is dead silent and locks on fast, even tracking subjects moving toward me.