Make your own total solar eclipse glasses 5, make your own total solar eclipse glasses

No, black ink on sunglasses or myopia glasses is not a safe way to observe, and the most common goggles are welder's goggles with a shading number of 14, which can be purchased in the welding equipment market.

Correct method of observation.

Dedicated sighting scopes.

After wearing solar eclipse glasses, you will not be able to see clearly except the sun. At the same time, the use of eclipse glasses with other optical devices, such as telescopes and cameras, will not be prohibited. Even if you wear glasses, after lasting**2-3 minutes, let your eyes rest moderately, not for a long time**.

Small hole imaging.

Let the sunlight pass through a small hole, put a white screen 1 meter away behind the hole, and let the sunlight beam shine on the white screen through the small hole, and a image of the sun will be projected. Of course, it is also possible to use multiple small holes, so that multiple images of the sun can be projected. This projection observation method can be taken from local materials.

For example, a board with many holes, a loose and broken straw hat, or even the fingers of both hands can be crossed to project a series of images of the sun on the screen.

Telescope projection observation.

Binoculars can be propped up on a tripod and a whiteboard placed behind it to project a magnified image of the sun.

Yes, but not recommended, in your case, only small holes can be imaged.

The weather forecast is cloudy and rainy tomorrow, maybe we will be disappointed.

It's a shame that you think of it, and the myopia mirror is smeared with black ink!?Yes, it is recommended that the ** time is 3 minutes and the upper limit is 5 minutes, so be careful!

Haha, I've done this, you can use the torch to bake the waste lenses or glass pieces black and you can use it.

Prepare materials: cigarette case, Bard film, glue, scissors.

1. Tear off the paper pieces inside the cigarette case, and then tear out 4 pieces of paper in the same way.

2. Glue two pieces of paper together, and then glue the other two paper cards together.

3. Fix the glued paper cards together with glue, and then paste Bard film in the holes.

4. Take out the two cigarette boxes, and then cut off the cigarette box lids of the two cigarette boxes.

5. Disassemble the lid of the cigarette box, and then cut off the corners on both sides.

6. Attach the cut corners to the finished glasses frame.

7. Cut the lid of the cigarette box along the crease of the lid of the cigarette box, and then arrange it according to the size and glue it firmly.

8. Stick it firmly to both sides of the glasses, so that the eclipse observation glasses are ready.

a**The longest direct vision of a solar eclipse should not exceed 3 minutes, and it should be continued after resting for more than 30 seconds**. People with eye diseases and other conditions who are not suitable for a solar eclipse should not use eclipse glasses.

cPut on your eclipse glasses 30 minutes in advance. (Sunglasses) to adapt to dark environments.

d. Keep in mind "two wear and one off". That is, wear solar eclipse glasses to see during the partial eclipse phase to let the eyes adapt to the darkness; Take off your eclipse glasses during the total eclipse phase after the Moon completely blocks the Sun, and look at it with the naked eye, about 4-5 minutes; Immediately after the end of the total eclipse, you should put on your eclipse glasses**.

In addition to the above-mentioned selection of filter products, some people also want to record the spectacular celestial phenomenon of total solar eclipse through photography, and it should be noted that it is not possible to shoot directly with a camera (a special filter must be added) to prevent damage and burn out of the camera. When it comes to choosing a shooting camera, it's best to choose a film camera.

Preparation materials: scissors, double-sided tape, coated paper, floppy disk, pencil.

2. Fold the paper in half.

3. After folding in half, draw two rectangles with a height of 20mm and a width of 38mm on the surface, and the spacing between the two rectangles is 30mm.

6. Put the software on the paper and stick it firmly.

7. Close the paper and fix it.

8. Finally, cut the paper into the shape of glasses.

I'll teach you.

Isn't that mask with electric welding?

。You go to the small commodity to buy two and put this.

That's it. 8 cents a piece.

Two pieces of Yuan Quack to save money.

Wear special eclipse glasses.

Experts remind that for the tools used to observe total solar eclipses or partial solar eclipses, observers cannot directly observe with the naked eye, but need to wear special eclipse observation glasses, and cameras and smartphone lenses cannot be directly aimed at the sun to take pictures to prevent lens breakage.

In addition, if you want to observe a solar eclipse through a telescope, you must add Bard membrane to the front of the objective to reduce light. Never point your telescope directly at the sun. Items such as eclipse observation glasses or Bard film can be bought in online shopping malls (a treasure or a place), so it is recommended to prepare them in advance.

Solar eclipse glasses, also known as "total solar eclipse glasses", "solar eclipse observation glasses", "solar viewing glasses", etc. It is a professional observation tool for solar eclipses (partial eclipse, annular eclipse, total eclipse) and protecting human eye safety. During total solar eclipses around the world, eclipse glasses are the most popular fashion product.