This item is nonreturnable SAFETY FIRST: Observing the Sun without the proper protection may result in serious personal injury, including permanent eye damage and blindness, and/or damage to equipment. Never point an optic at the sun without an approved solar filter on the front of the optic. For direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder, ensure your filter is ISO 12312-2 (also written as ISO 12312-2:2015) certified. Never use photographic neutral density filters for direct solar viewing, viewing the sun through an optic, or when using cameras with an optical viewfinder. IT IS NEVER SAFE TO LOOK AT THE SUN WITHOUT PROTECTION AT ANY TIME WHEN ANY PART OF ITS BRIGHT DISK IS VISIBLE. Don't let that warning scare you away from participating in the eclipse! With proper eye protection and following the instructions provided at eclipse2017.org you can have a safe and enjoyable viewing of this cosmic event! Eclipse2017.org is on the American Astronomical Society's approved vendor list for eclipse glasses! The following pages (as well as the instructions printed on the glasses) make up the complete set of instructions you need to follow, in order to use Eclipse2017.org's eclipse glasses: Eye safety Terms and Conditions for use of the eclipse glasses English Solar Viewer Instructions - main page English eclipse glasses instructions (PDF) General Instructions Page (which also contains links to the English eclipse glasses instructions PDF as well as translations provided for your convenience) Instruction Sheet PDF (to be handed out with any glasses provided to others) We are not affiliated with or endorsed by eclipse2017.org. We just know they make a reputable and safe product. Please be sure to read and follow all instructions when using this product! Other Eclipse Resources: Nasa 2D and 3D Printable Pinhole Projectors Eclipse AAS Projection Projects AAS How to View a Solar Eclipse Safely AAS Downloadable Resources
