Recently I picked up a book from a book swap place I sometimes frequent,the book is called 'the sky watchers handbook'by Colin a.Rowan published in 1985.it contains the following advice in the section on solar eclipses;' the short period during which the photosphere is covered is the only time it is safe to study any part of the sun with optical equipment. Binoculars can then be used to pick out the detailed structure of the corona. These observations must cease the instant any part of the photosphere is uncovered.'only a lunatic would do this as how can you predict the exact second the Bailey's beads will appear with their blinding light,magnified at about 7 to 10 times through most common binoculars! Binoculars would be even worse than a telescope as you'd suffer serious damage to both eyes not just one!