Originally Posted by The Guru  In the same way that you should never point an unfiltered camcorder at the sun you should be just as careful with point sources like arc welding. Your lens is gonna focus that light onto a minute point on the sensor which could (if you're unlucky) kill a few pixels or, at worse, ruin the whole chip. |
Yes that was my fear, I've got some glasses from a welding hood somewhere, I guess I'll pre-focus on the weld zone and then apply the filter before the guy strikes an arc.