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As a photographer, lens flare is a visual phenomena that you would encounter at some point. It is a photographic effect that happens when a point of light enters your camera lens and spreads out in multiple directions, leading to a hazy, bright image with lens-shaped marks on it.

Types of Lens Flare

There are several types of lens flare, including veiling flare, ghosting flare, and geometric flare. Veiling flare occurs when a large light source like the sun enters the lens and produces a haze across the entire photo. Ghosting flare happens when the light source hits the lens’s surface at a particular angle, and the flare appears as spots or blotches. The geometric flare is the one where the light creates sharp lines, polygons, or any other shape that is angular.

Causes of Lens Flare

Generally, lens flare happens due to the presence of bright light sources in your vicinity, usually near the frame’s edges. Sunlight on a clear day or streetlights at night usually cause it. Another cause could be a dusty or dirty lens, which causes reflections in the glass elements, producing unwanted dots and marks on the image.

Using Lens Flare to Your Advantage

Lens flare can be employed in photography to add a unique and creative effect to your photos. By positioning the light source in a particular way, you can create a range of flares that vary in intensity, shape, and size. This is popular with portrait photography where it can create a halo effect around the subject, giving the image an etherial quality.

Preventing Lens Flare

To prevent lens flare from occurring, you can use lens hoods, polarizing filters, or even your hand and body as a shield for the lens. By blocking out the bright light source from the frame’s edges, your image will be free from unwanted artifacts and flares.

In conclusion, lens flare can either make or break your photo, depending on how you use it. By understanding how it occurs and how to control it, you can use it to your advantage. It can also be useful to know how to prevent it when needed, ensuring that your photos are free from lens artifacts.