You can use the same basic technique to clean the LCD viewfinder and the opticalviewfinder.
你可以使用相同的基本技术来清洁LCD或光学取景器。
2
Because the opticalviewfinder 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。
3
However, he warned anyone thinking of photographing bubbles to take care if using an opticalviewfinder, as the reflected sun could potentially damage the retinas.