hot selling Paper Solar Eclipse Glasses - CE and ISO Certified Safe Shades for Direct Sun Viewing in chile ,2019
3D Glasses Type:solar eclipse glasses Item:solar eclipse glasses Lens Color:Black or silver Lens:Eclipse lenses ND=5 Frame material:2*250g white cardboard mounted Size:Unfolded 410 mmx 37mm or custom Color:Any color, off-set printing Printing:Customized full color/ 4c printing Shape:Flat and bendable Sample time:7 days
Usage:View Solar EclipseOptical density 5 or greater
CE certified which meets the transmission requirements of scale 12-16 of EN 169/1992
Meets the 2012 Transmission Requirements of EN 1836:2005 & AS/NZS 1338.1:1992 for Eclipse filters
Meets the Standard for ISO 12312-2:2015
Lenses are made of scratch resistant optical density 5, Black Polymer material
Shades filter out 100% of harmful ultra-violet, 100% of harmful infrared, and 99.999% of intense visible light
1. How far can we see with binoculars or telescopes ?
2. What will influence binoculars’ or telescopes’ resolution ?
Observation Environment , including light intensity and direction, contrast radio, atmosphericstability and transparency, etc.; The quality of telescope itself, including specifications, category, precision, etc.;Observers’ corrected vision and binoculars or telescopes’operation proficiency.
3. The larger magnification, the better . Right ?
No, it is unreasonable. The magnification is only one factor of resolution rated affects
4. Does Coating Quality have something with color ?
No, it isn’t. Lens coating is to reduce the reflect light, increase the light transmittance and improve the observed brightness. Coating quality is up to reflective strength rather than the coating color.
5. How to choose binoculars ?
It is up to your markets. If your markets is for promotion, then you can choose toy binoculars, UCF binoculars ,promotion ZCF binoculars and some other DCF binoculars and some astronomical telescopes . If for adult markets, then you can choose high level binoculars, like our WP series and birdswatching binoculars. For higher level , then you can choose military binoculars and marine binoculars . For groundviewing binoculars, you can choose coin control binoculars , large diameter binoculars , spotting scopes and astronomical telescopes.
6. How to use binoculars?
When you use binoculars, please adapt the distance between two eye-pieces till it form a whole circle. And then turn the focus wheel till the left eye can see clear. Later turn the right eye-piece till the right eye can see clear.
7. How to protect binoculars ?
No humidity, no collision, no dust. Do not wipe lens oftenly. Nither do not use your hand touch lens.
1. Enquiries will be replied the first time around .
2. Fast sample arrangement.
3. Sample Charges will be returned back at certain rate according to your order quantity.
4. OEM and Logo available
5. Delivery on time
6. A variety of payment, such as Western Union, Paypal, L/C, T/T etc.
7. Any one will be kindly treated as our friend no matter you are a small or a new customer.
8. Help you on products recommendations and market positioning for your reference .
9. Packages tracking and Products’ arrival reminding .
10. The corresponding compensation can be provided for products’quality problems.