Nikon D810 dslr, Nikkor 70-300 mm lens set at 70 mm. 33 images taken at ISO 100, f /6.3, 1/1000 second. Shot in RAW format, stitched together and finished in Photoshop CC2015. It took my Windows 10 computer almost 1 hour to compose this image.
The largest Panorama I have ever taken, finished size is 19 feet by 3 feet high, composed of 33 images stitched together to show approximately 25 miles of the Mission Mountains as seen from the Visitors' Center at the National Bison Range.