William Neill is a renowned nature and landscape photographer and a recipient of the Sierra Club's Ansel Adams Award for conservation photography. Neill's award-winning photography has been widely published in books, magazines, calendars and posters, and his limited-edition prints have been collected and exhibited in museums and galleries nationally, including the Museum of Fine Art Boston, Santa Barbara Museum of Art, The Vernon Collection and The Polaroid Collection. Neill's published credits include National Geographic, Smithsonian, Natural History, National Wildlife, Conde Nast Traveler, Gentlemen's Quarterly, Travel and Leisure, Wilderness, Sunset, Sierra and Outside magazines. He is also regular contributor to Outdoor Photographer with his column “On Landscape”.
How does the ISO setting affect the results in digital capture? My objective is to create a good-quality 16x20 print. Let’s say there’s no movement of the subject involved. How would the image look at ISO 100 compared to ISO 400?