Sporting an "Eclipse Over America" graphic, these DayStar Eclipse Glasses 500-Pack - Eclipse Over Americaallow you to safely witness a rare and awe-inspiring celestial event. Each pair is ISO-certified for safe direct solar viewing to the 12312-2 standard, blocking 100% of harmful ultraviolet (UV) and infrared (IR) radiation while filtering out greater than 99.99% of intense visible light. The frames are made of card stock with two creases on the ear pieces so you can fold them to create the perfect fit.

ISO 12312-2 Certified for Solar Viewing    Made for Observing Solar Eclipses    Can Be Used for Viewing Large Sunspots

• ISO 12312-2 Certified for Solar Viewing
• Recommended by AAS, the American Astronomical Society
• Eclipse Over America graphic showing partial path of totality
• Block 100% of harmful ultraviolet (UV) and infrared (IR) radiation
• Filter out more than 99.99% of intense visible light

Related Questions and Answers

Q: 1. Is this compatible with Nikon z or Nikon F ?

A: The DayStar Filters Camera Quark H-Alpha Solar Filter for Nikon (Prominence) will work with Nikon F mount lenses,

Q: 2. What is the difference between a tuned for prominences and a chromosphere filter? Is there one of them that does both better? How do I choose?

A: No, two different condition. The chromosphere is the sun's surface. The prominence is viewing sun flairs around the perimeter of the sun. .

Q: 3. Are these .625 photo corners hard plastic or soft and flexible?

A: Soft and flexible. However, it's rather putsy and time consuming to separate the plastic flaps to slide the paper corner into. Not sure I would buy these again. There are others out there with a runway to more easily slip the corners into.

Q: 4. Can I use this with newtonian telescope using off axis reduction?

A: For the DayStar Filters QUARK H-Alpha Eyepiece Solar Filter (Chromosphere) BH #DADSZ4C • MFR #DSZ4C simply inserts into 1.25" or 2" diagonals and accepts 1.25" eyepieces.

Q: 5. Do you have these corners in Red?

A: I'm sorry, no.

Q: 6. I can't find any specs. Does anyone know if the phone filters actually protect the phone camera?

A: The only information B&H has is from the manufacture website: https://www.eclipseglasses.com/products/solar-snap-the-eclipse-app

Q: 7. Would this work on the older Acute2 1200 pack?

A: It works for my 2400 pack and I'm pretty sure its the same connection so it should work fine

Q: 8. I have a Apertura 75Q petzval design with internal lenses and flattener technology. will this Daystar DSZ4C be compatible?

A: The DayStar Filters QUARK H-Alpha Eyepiece Solar Filter (Chromosphere)will fit in any telescope that accepts 1.25 inch eyepiece. It works best with refractor telescopes that are between f4 and f8.

Q: 9. Is this the cable that comes standard with the D2?

A: Yes, the Profoto Power Cable for D2 (16', US / No. America) is the original power cable designed for use with both the Profoto D2 500Ws AirTTL Monolight or the Profoto D2 1000Ws AirTTL Monolight.

Q: 10. Is this umbrella compatible with Profoto Acute lamp heads?

A: No it's not compatible you need to use one with a 7mm shaft.