Final answer:
Two important photographic practices that demonstrate design principles are using various flash modes for different lighting conditions and mastering fill flash to provide balanced lighting for subjects. Understanding the relationship between flash and distance is also crucial.
Step-by-step explanation:
Understanding Flash Modes in Design
When it comes to flash photography, two practices are essential for obtaining the best images. First is understanding and utilizing the various flash modes. This requires learning when to use modes like auto-flash, flash off, slow sync, and rear-curtain sync. Each mode has a specific application depending on the environment and the subject of your photo. For example, slow sync is particularly useful in low-light conditions where you want to capture both the subject and the ambient light.
Mastering Fill Flash
Another important practice is the use of fill flash. Fill flash is critical when dealing with harsh shadows or backlit conditions. It helps to illuminate the subject's face or other important details without overpowering the existing natural light. Practicing fill flash will ensure that your photos have balanced lighting and that subjects are clearly visible against bright backgrounds.
Flash and Distance Consideration
Flash and distance is a concept that photographers must understand to properly illuminate subjects. The distance between the flash and the subject significantly affects exposure. As a rule of thumb, doubling the distance reduces the light's intensity by a quarter, a concept known as the inverse-square law. Accurate adjustments of flash intensity and understanding the distance can make a huge difference in the final photo result.