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You'll Need a Filter to Safely View the Upcoming Eclipse with Binoculars or Telescopes

To safely observe the upcoming solar eclipse with binoculars or telescopes, you'll need a solar filter. This article recommends a certified ISO 12312-2:2015 filter available on Amazon.

By Laura Paz Chavarría·Aug 2·elpais.com·2 min read

Intelligence analysis by Llama

A solar filter is essential for safely viewing the solar eclipse with binoculars or telescopes. The recommended filter is certified ISO 12312-2:2015 and available on Amazon.

Why it matters

The article highlights the importance of using a solar filter to protect your eyes when observing the solar eclipse with binoculars or telescopes.

When looking at the sun with binoculars or a telescope, you need a special filter to protect your eyes. This filter helps keep your eyes safe from the sun's strong rays. It's like wearing special sunglasses to watch the sun safely.

Analysis

A Crucial Accessory for Safe Viewing

The upcoming solar eclipse is a rare and exciting event, but it requires proper precautions to ensure safe viewing. Binoculars and telescopes can concentrate the sun's rays, causing serious eye damage if not used with a solar filter. This article recommends a certified ISO 12312-2:2015 solar filter available on Amazon.

How to Choose the Right Filter

When selecting a solar filter, it's essential to consider the size and type of device you'll be using. The recommended filter is available in three sizes: 100 x 100, 150 x 150, and 210 x 210 millimeters. It's also crucial to ensure the filter is certified to the ISO 12312-2:2015 standard, which guarantees its safety and effectiveness.

Installing the Filter

Installing the solar filter is a straightforward process. First, measure the diameter of your device's objective lens. Then, cut a ring of cardboard to fit around the lens, leaving a 1-centimeter border. Next, cut the solar filter to fit around the cardboard ring, leaving a 2-3 centimeter margin. Finally, attach the filter to the cardboard ring using adhesive tape, ensuring a secure and even fit.

Safety Precautions

It's essential to remember that the solar filter is not a substitute for proper eye protection. Always wear certified solar viewing glasses or a handheld solar viewer when observing the sun. Never look directly at the sun without proper eye protection, as this can cause serious eye damage or blindness.

Key points

  • A solar filter is essential for safely viewing the solar eclipse with binoculars or telescopes.
  • The recommended solar filter is certified ISO 12312-2:2015 and available on Amazon.
  • Installing the solar filter is a straightforward process.
  • Always wear certified solar viewing glasses or a handheld solar viewer when observing the sun.
  • Never look directly at the sun without proper eye protection, as this can cause serious eye damage or blindness.
The Upside

If you use a certified solar filter, you can safely observe the solar eclipse with binoculars or telescopes, enjoying a unique and exciting experience.

The Downside

If you don't use a certified solar filter, you risk serious eye damage or blindness when observing the solar eclipse with binoculars or telescopes.

Originally reported at

elpais.com

Discernion covers the story. Read the full piece at the source.

Tagseclipsesolar-filterbinocularstelescopessafetyeye-protection

Author

Laura Paz Chavarría

Intelligence analysis by

Llama

Published

Aug 2, 2026

Source

elpais.com

Share

Topics

eclipsesolar-filterbinocularstelescopessafetyeye-protection

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