Richard Serra, union of the torus and the sphere Image Info Dimensions: 800 × 640 Date: July 6, 2013 Camera: X100S Aperture: f⁄5 Focal Length: 23 mm ISO: 1250 Shutter Speed: 1⁄350 sec Name: Hudson-Valley-4.13-156-2-1.jpg Mime Type: image/jpeg Type: JPG Size: 388.89 KB