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Solar Binoculars

 
 

Learning the lingo for binoculars will help you find a pair best suited for your needs. Binoculars are defined by two numbers, such as 7 x 35. The 7 is your magnification, while the 35 is the objective lens diameter. We have solar binoculars that are 10 x 42 and 10 x 25. Eye relief is also important because it determines how far the rear eyepiece lens is from your eye when looking into the binocular. Also, be sure to look at the binoculars’ field of view to determine how wide of an area you will be able to see out of the binoculars.

There are certain precautions you must take in order to safely view the Sun. Before viewing, always inspect your binoculars and do not use them if there are any scratches or damages. Older solar binoculars should be discarded after 3 years, as the filter gradually disintegrates. However, this is not the case for many modern Sun-viewing accessories. Always consult an expert to confirm if you can safely use your older solar binoculars.

Another option for viewing a partially eclipsed Sun safely is via pinhole projection. There are pinhole projectors you can make out of a cereal box so you can view the shadow of a partially eclipsed Sun. Or you can even loosely criss-cross your fingers into a waffle pattern and look at your hands’ shadow on the ground. The tiny spaces between your fingers will project a grid of small crescent images on the ground of the Sun in a partial eclipse. Again, never look directly at the Sun without proper eye protection. Viewing the Sun without protective eyewear can lead to permanent eye damage.

For more solar observation tools and accessories, check out our full selection.