Stacked spheres of THOMSONITE-Ca Capitol Forest Quarries, Four Mile Quarry, Porter, Grays Harbor County, Washington, USA FOV - 3.6mm #02693 Collected May 1992 165 frames stepped at 0.015mm using a Stack Shot rail. 4/10 sec exposure Canon T5i, Canon 55 - 250mm zoom set at 200mm and focused at infinity, f5.6 with a 5X Mitutoyo M plan apo objective. Processed through Lightroom, Zerene Stacker and Photoshop Photo Copyright © 2018 Douglas Merson |