Daystar Instruments
Solar filter (White Light 580-630nm) that has a light transmission of 1/1000 of 1% or 99.999%.
(16 f/stop reduction)
White Light ULF - Universal Solar Filters

Transmission: 1/1000 of 1%
100% safe for direct solar viewing.
THIS PRODUCT USES THOUSAND OAKS DENSITY 5 SOLAR FILM AND IS MANUFACTURED AND PACKAGED FOR USE AS A CAMERA, LENS, TELESCOPE OR BINOCULAR ACCESSORY AND IS NOT FOR USE AS EYEWEAR.
ISO 12312-2 CERTIFICATION IS ONLY FOR EYEWEAR. ISO 12312-2 WAS NOT INTENDED-TO AND DOES NOT ENCOMPASS INTEGRATED-TYPE FILTER DEVICES. PRESENTLY, NO RECOGNIZED CONSENSUS STANDARD DOES EXIST AT THIS TIME FOR SUCH PRODUCTS.
This product is manufactured in the USA.