You can use the same basic technique to clean the LCD viewfinder and the optical viewfinder.

你可以使用相同的基本技术来清洁LCD或光学取景器。

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Because the optical viewfinder is small and recessed into the camera body, it can often be tricky to clean properly.

因为光学取景器较小，并且凹进相机里面，所以合适的清洁方法经常是需要窍门的。

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However, he warned anyone thinking of photographing bubbles to take care if using an optical viewfinder, as the reflected sun could potentially damage the retinas.

但是他提醒那些想拍摄肥皂泡的爱好者，如果使用光学反光镜，太阳光的反射可能会损害视网膜。

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The A-OV Plus switches things up to a 4:3 aspect and adds an optical viewfinder to the mix.

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There's also a super-sharp 922k-dot 3-inch LCD (no touchscreen here, not that we miss it) and a built-in optical viewfinder.

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Look inside the optical viewfinder and you'll get a meter that helps you determine how you're oriented respective to the horizon.

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