Even with the identical subject, the overall look of a photograph can change drastically with different lighting conditions. This is because light angle and intensity determine exposure and how shadows are formed. Let us explore the visual changes brought by different combinations of light angles and subject positioning.

Light angles can be broadly divided into three categories:

1. Front‑lightFront‑light illuminates the subject from the front (camera side). As the subject is directly lit, its colors and shapes are reproduced clearly and accurately. This lighting works well for landscape photography, rendering vivid blue skies and lush green foliage.
2. Side‑lightSide‑light strikes the subject from the side. It casts distinct shadows and creates strong contrast between highlights and shadows. It is ideal for adding shadow detail to subjects and building depth and dimensionality.
3. Back‑lightBack‑light illuminates the subject from behind. Shooting with back‑light can make food photos more appetizing or lend a softer mood to portraiture. On the downside, intense light entering the lens may cause the subject to appear underexposed. Should this occur, use exposure compensation to adjust subject brightness to your desired level.

Understanding how lighting shapes subject appearance helps you capture images with intended visual effects. For indoor shooting on sunny days, for example, excellent results can be achieved by making good use of natural window light. Stand with your back toward the window for front‑lit shots; point your camera toward the window for back‑lit shots. Back‑light is recommended for indoor photography of food or flowers.