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Xinhua net Shanghai on July 14 report (reporter Yang Jinzhi, Zhang Jiansong) view and admire solar eclipse marvellous spectacle, not forget to protect an eye. Astronomer expresses to the reporter, although sunshine is abate during solar eclipse, but the sun can watch directly with naked eye inside a few minutes besides day total eclipse,[link widoczny dla zalogowanych] on sale,, the others time do not orthoptic sun, can have blindness risk otherwise.
Jiangsu province astronomy learns secretary-general plum says, as a result of solar eclipse when the sun by all or partial keep out, luminosity drops, average person uses naked eye very easily to be watched directly below naked circumstance, and do not feel compare previously dazzling,[link widoczny dla zalogowanych] on sale,, but the brightness when the light that actually the sun area place of 1 ％ gives out also compares electric welding wants tall, if watch the sun 10 seconds directly,right now above can cause permanent blindness. Allegedly,[link widoczny dla zalogowanych] on sale,, misfortune of scientist Galileo old age loses the sight, once using spyglass to observe below the circumstance that is without keep out the sun does not have nothing to do with him is.
Plum proposal, before day total eclipse comes, social all circles should do good propaganda work, the parent should exhort especially those are childlike, be full of curiosity but the child that is without experience, ten million cannot watch the sun with naked eye directly. The government should strengthen the quality inspection that watchs a tool to what sell on the market about the branch, because of inferior, unqualified observation tool (like glasses, filter) cannot hold off ultraviolet ray, in be as long as in the process of whole solar eclipse of 2 hours of above,[link widoczny dla zalogowanych] on sale,, if use inferior equipment to also can make the observer's eye is harmed, send blind even. And because its degree is opposite slow, be ignored more easily.
Zhao Junliang says researcher of observatory of Shanghai of the Chinese Academy of Sciences, no matter be,come through binoculars observation, must have safeguard, the circumstance that cannot not protect in order to be in absolutely especially falls to watch the sun directly with binoculars. Because diurnal sunshine is very intense, naked eye sees the sun can cause retinal damage directly,[link widoczny dla zalogowanych] on sale,, cause the regret that cannot make up for.
"Of course, a few minutes of exception of total eclipse phase, can be admired directly with naked eye ' black sun ' marvellous spectacle, be enjoyed inaccessibly, " Bian Yulin of vice-president of Shanghai astronomy society says, "But want to remember, other time cannot orthoptic sun. Those who need ambitious shift is, common sunglasses light transmittance is too tall, observation sun is very dangerous still. Observation sun is very dangerous still..
Bian Yulin says, a kind simple and feasible method is to buy special sun observation glasses or appropriative filter optical thin coating, when using telescopic observation especially, special sun filter optical thin coating must be added in field lens front, for instance Bader film. If did not buy sun observation glasses or filter optical thin coating temporarily, OK also and self-restrained, for instance the useless film of a certain number of electric welding blinkers, overexposure or superposition of X mating plate are together, computer floppy disk. powered by:[link widoczny dla zalogowanych]
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