Invest in lens caps and hoods to keep your camera protected. A lens hood’s main function is to reduce flareFLAREOccurs when a point light source such as the sun or an artificial light (that is brighter than the rest of the scene), hits the front element of a lens resulting in a lack of contrast, haze, or unwanted semi-transparent objects being present in the image. You can avoid lens flare with a lenshood or filters, however, the effect is also useful for bringing artistic elements into an image, such as sun rays peaking out from behind a rock formation. , yet has the added benefit of protecting your precious optics. Body and lens caps protect your camera and lens from dust particles, in addition to accidental scratches and bumps.