Calculating distance to fill the frame
Let’s say I have a chalk board that is 3 feet wide by 2 feet tall. How far away do I have to stand with my crop-frame camera and a 70 mm lens in order to fill my frame? What about if I have a 200 mm lens? Or a 35 mm lens? Or I could flip the problem upside down and ask: what if I change the chalk board to be 6... Read More »