Panoramas are composite images made up of two or more overlapping images that have been aligned and combined into a single, seam-free image. They can be as simple as two-image panoramas, or as complex as literally dozens of images combined into a single panorama with a side dimension of over 20,000 pixels. The extremely wide field of view of horizontal, multi-image panoramas thus better mimics our peripheral vision and allows the viewer to feel as though they are truly immersed in the scene. Consistent, high-quality source images are the key to successful panoramas. Photographers have several choices for how to composite their constituent images into the final panorama. Photoshop offers a very similar approach to creating panoramas. The two main causes for a panorama merge to fail in either Lightroom or Photoshop are insufficient overlap between adjacent images, or not enough detail within the overlapping regions of the images to allow successful registration of the images.