National Geographic Travelさんのインスタグラム写真 - (National Geographic TravelInstagram)「Photo by @daisygilardini African sunsets have no equal! The bigger the sun, the cooler the picture. But how do you technically achieve this? Your lens’s focal length will determine how big the sun will appear in your image. Use a wide-angle lens and your sun will be just a dot. Use a big telephoto lens and you will end up with a big sun. The same applies to the moon. The focal length determines how big the sun will be in relation to the frame, but is does not determine the size of the subject in the frame. What determines how big the sun is, in relation to the subject, is the distance between the shooting spot and the subject. Here’s a simple rule: For a subject of size “Y” you have to be at a distance of 100 x “Y” from the subject to have the sun be the same size as the subject. Let’s assume the elephant has a diameter of six meters. In order to have the elephant appear the same size as the sun, you will have to shoot from 600 meters away. Follow me @DaisyGilardini for more images and stories behind the scenes. #africa #elephant #botswana #chobenationalpark #wildlifephotography」8月14日 5時05分