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11-inch astronomical telescope solar film
Used to observe the Sun
Do not use if the filter is damaged
When you look at the sun, you can't use finger mirrors to find the sun's target. Don't forget it!
One step:
1. Cover the blanket with a mirror cloth or a cover, without any code operation.
Lead bourgeois movies to the sun. See, detection is not a light leak, but a light leak. It is strictly forbidden to use it.
Three After the test, the cover of the middle-class movie is 35:39. Open the light, check the fixed state, and check that it is intact! Eye photometry, no abnormal light can work!
Four When observing, the barrel cover is not allowed to move the barrel.
