What to look for
- To ensure you are fully protected look for Eclipse Glasses that have the 2015 ISO 12312-2 certification. Do NOT use glasses without this certification.
- ISO approved Eclipse Glasses are very affordable. However, eclipse glasses only provide a small image of the Sun during an Eclipse. You may opt for higher magnification increasing that WOW factor.
- It should be noted that the ISO certification only applies to products that are used for direct viewing of the Sun ie: Eclipse Glasses and Solar Viewers. The certification does not apply to Solar Telescopes and Equipment that utilize optical systems. Telescopes and Equipment are certified to be SUNsafe through a process of Filter Design and Qualification, Independent Laboratory Testing, Bench Testing, and Direct Testing of Finished Products on the Sun by Qualified Personnel.
- Look to purchasing your Eclipse product in advance from established Solar Telescope and Filter manufacturers and retailers.
- Direct viewing. Including direct viewing of the Sun’s reflection.
- Placing eclipse glasses at the eyepiece end of a binocular or telescope.
- Welders glass that is less than number 14, if you are unsure that your welder’s glass is a number 14, do not use it to view the Eclipse. Do not use auto-darkening welder glasses.
- Eclipse glasses made out of mylar. These are often cheap knock-offs from unknown overseas sources.
- Standard Sunglasses.
- Colored or medical X-ray film either used or unused.
- Smoked glass.
- Solar filters for inexpensive telescope, especially filters that are threaded into the eyepiece. These filters can crack if overheated.
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