A filtered view

of a sunset comes through a new neutral-density filter delivered for Christmas.

Don Davis
WALLA WALLA UNION-BULLETIN

A_filtered_photo_looks_southwest_across_the_columbia_river
Don Davis
An unfiltered photo looking toward Saddle Mountain.

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A secretive Santa’s elf slipped a gray, graduated neutral-density filter into my stocking where I found it on Christmas morning. It screws onto the end of a camera’s lens. The dark half of it, normally turned to the top, resembles sunglasses. With this filter in place, a photographer sees the top half of a scene, say a sunset, through the lens darkly. He sees the bottom half of the scene through the lens lightly. This allows a digital camera to recognize both halves of a contrasting bright-dark scene without over-lighting one half or under-lighting the other. It can balance the scene. More or less.
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