CONTACT@VORIONSCIENTIFIC.COM
Thousand Oaks Optical (Arizona, USA) specialises in solar filters, narrowband H-alpha ERF glass and the popular ‘T-Type’ black polymer film used worldwide for safe solar viewing and photography, trusted by NASA and eclipse expeditions. Its filters have protected countless eclipse chasers, space agencies and Indian solar enthusiasts alike.
Yes, the black polymer and glass filters conform to ISO 12312-2 for direct solar observation.
Measure the outer diameter of your OTA or lens hood and choose the matching slip-on or threaded model; avoid gaps to keep stray light out.
Glass gives a crisper white-light image, while polymer film is lighter and more affordable; both are equally safe if used intact.
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