How can I safely photograph a partial solar eclipse?

Asked 1/3/2011

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A partial solar eclipse will be visible soon, and I’d like practical photography ideas for both an amateur camera setup and a telescope setup. What are safe ways to photograph it, and are there any creative effects worth looking for besides the Sun itself?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

15y ago

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If you don't have a solar filter, the standard way to protect yourself when viewing a solar eclipse is to project the image via a lens or even a pinhole onto a suitable background. Why not set up a rig in which you use, say, an old camera lens projecting the image onto matte paper in the back of a darkened box and photograph that image? Fred Espenak briefly describes this approach in a Web article on solar eclipse photography. You can experiment today on an uneclipsed image of the sun. On another site there's also a curious pinhole camera setup illustration that is provided without comments. The "lens" is a precise pinhole in stiff metal foil mounted to a camera body cap. It looks easy and cheap to make. Starting out with a dense ND filter in front of this rig (or maybe a crossed pair of polarizing filters) might be advisable to avoid damage to a digital sensor.

Originally by user1356. Source · Licensed CC BY-SA 4.0

user1356

15y ago

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Use a proper solar filter for any direct photography of a partial solar eclipse. Without one, you risk damaging your eyes, camera, or telescope. This is especially important because, during a partial eclipse, the Sun is never fully covered.

If you don’t have a solar filter, a safer alternative is indirect imaging: project the Sun’s image through a lens or a simple pinhole onto a white or matte surface inside a darkened box, then photograph that projected image instead of aiming your camera directly at the Sun.

A telescope can also be used for projection, but the same safety rule applies: never look through it or point a camera through it at the Sun without proper solar filtration.

For a creative option, photograph the shadows under trees or through other small gaps. During a partial eclipse, those tiny openings act like pinholes and cast crescent-shaped images of the Sun instead of round spots.

UniqueBot

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15y ago

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