If you already own one of the best telescopes and you want to safely view the partial solar eclipse on the 29 March, you may want to opt for a filter instead of buying a whole new solar telescope just to view occasional solar events.
The Celestron EclipSmart Safe Solar Eclipse Filter is one of the best solar viewing gear options. It's affordable and securely attaches to the front of your telescope, spotting scope, and some of the best DLSR cameras. Right now, just in time for the upcoming solar spectacle, Amazon is offering 15% off this solar filter which meets ISO international safety standards for filters for directly viewing the sun.
Buy the Celestron EclipSmart Safe Solar Eclipse Filter for just $16.98 at Amazon, saving 15%.
It’s vitally important to keep your eyes safe when viewing any solar activity, and you should never look directly at the sun without adequate protection. This Celestron EclipSmart Safe Solar Eclipse filter is claimed to filter out 99.99% of harmful UV and infrared light. It has been CE and ISO certified under the latest ISO standard for filters used in direct observation of the sun.
Celestron also says the filter is manufactured adhering to ISA, CE, ISO, and American Astronomical Society safety protocols.
It's worth reiterating that this filter must not be used with a DLSR camera that is equipped with an optical viewfinder. You can use it with any of the best mirrorless cameras, but do check whether your DSLR has an optical or electronic viewfinder.
Key features: Solar safe telescope and camera filter which protects eyes from IR, UV, and 99.99% of visible light, CE and ISO certified, two-year US warranty.
Price history: It have been priced as high as $19.95 on Amazon, and with this 15% discount, it's the cheapest the Celestron EclipSmart Safe Solar Eclipse filter has ever been.
Price comparison: Amazon: $16.98 | Celestron: $19.95
Reviews consensus: Amazon reviewers have been very positive about the Celestron EclipSmart Safe Solar Eclipse filter and it has an average score of 4.2 out of 5, with 62% of reviewers giving them top marks.
✅ Buy if: You want a cost-effective way to view the partial solar eclipse, already have a good telescope, and you don't want to buy a separate solar scope.
❌ Don't buy if: You have a DSLR camera with an optical viewfinder, you should not use this filter to view the sun. As an alternative, we'd suggest either the Celestron EclipSmart Solar binoculars or budget-friendly Solar Eclipse glasses.
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