<P> When the shrinking visible part of the photosphere becomes very small, Baily's beads will occur . These are caused by the sunlight still being able to reach the Earth through lunar valleys . Totality then begins with the diamond ring effect, the last bright flash of sunlight . </P> <P> It is safe to observe the total phase of a solar eclipse directly only when the Sun's photosphere is completely covered by the Moon, and not before or after totality . During this period, the Sun is too dim to be seen through filters . The Sun's faint corona will be visible, and the chromosphere, solar prominences, and possibly even a solar flare may be seen . At the end of totality, the same effects will occur in reverse order, and on the opposite side of the Moon . </P> <P> Photographing an eclipse is possible with fairly common camera equipment . In order for the disk of the Sun / Moon to be easily visible, a fairly high magnification long focus lens is needed (at least 200 mm for a 35 mm camera), and for the disk to fill most of the frame, a longer lens is needed (over 500 mm). As with viewing the Sun directly, looking at it through the optical viewfinder of a camera can produce damage to the retina, so care is recommended . Solar filters are required for digital photography even if an optical viewfinder is not used . Using a camera's live view feature or an electronic viewfinder is safe for the human eye, but the Sun's rays could potentially irreparably damage digital image sensors unless the lens is covered by a properly designed solar filter . </P> <P> A decidated group of eclipse chasers have pursued the observation of solar eclipses when they occur around the Earth . A person who chases eclipses is known as an umbraphile, meaning shadow lover . Umbraphiles travel for eclipses and use various tools to help view the sun including solar viewing glasses, also known as eclipse glasses, as well as telescopes . </P>

How to take a picture of the eclipsr
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