An optical accessory designed to fit lenses with a 58 mm filter thread, provides a crucial safety barrier when photographing the sun. It attenuates the intense solar radiation, reducing the amount of light and harmful ultraviolet and infrared wavelengths that reach the camera’s sensor and the observer’s eyes. An example of its application is safely capturing images of solar eclipses or sunspots with a DSLR or mirrorless camera.
This type of filter is vital for preventing irreversible damage to camera equipment and protecting eyesight. Concentrated sunlight, even for brief periods, can easily burn the sensor and other internal components. Historically, specialized methods were required to observe and photograph the sun; this equipment enables a safer, more accessible approach. Its use expands opportunities for solar photography, allowing amateurs and professionals alike to document and study our nearest star without risk.