p.1 #1 · Schott Glass based UV Filters v/s Gorilla Glass based UV Filters
I know the questions of UV filters can be controversial, but I am still asking this question.
Did anyone use Gorilla glass based filters like Kolari Vision filters? In terms of optical quality (excluding hardness), any idea how they are compared to the Schott glass based UV filters like B+W, Breakthrough Photography, Urth etc.?
The reason why I am asking because Kolari Vision seems to be the only company offering Gorilla glass based filters and they are experienced in various optical lens filters and also services like replacing sensor glass coverings. However, I have not seen their Gorilla glass based UV filters mentioned anywhere - except one of the test where they dropped from 1000 feet and something and I consider that is just an advertisement!
p.1 #5 · Schott Glass based UV Filters v/s Gorilla Glass based UV Filters
Kolari does do optical work. needs some looking into.
According to Corning, camera lens covers made out of Gorilla Glass DX and DX+ allow 98% of light to pass through to the lens elements and camera sensor below, compared to around 95 percent for standard anti-reflective coatings.
corning makes their fair share of high quality optical glass.
p.1 #7 · Schott Glass based UV Filters v/s Gorilla Glass based UV Filters
This is the first time I have heard of gorilla glass for photography. It is used in many cell phones for its strength and resistance to abrasion. I know nothing of its optical qualities.
ETA Please post here what you learn from Kolari.
p.1 #8 · Schott Glass based UV Filters v/s Gorilla Glass based UV Filters
What I can't understand is why NO top tier camera made uses Gorilla Glass for their LCD's. It makes NO sense to me as the Gorilla Glass is in all halfway competent Smartphones today and they are a LOT cheaper to buy then these multi thousand dollar cameras. It would allow us to buy them and never concern ourselves with screen protectors. Oh well.......
p.1 #9 · Schott Glass based UV Filters v/s Gorilla Glass based UV Filters
Kolari here. We chose gorilla glass for it's durability and for having a lower refractive index than Schott B270, allowing for a higher theoretical sharpness. B270 is a much cheaper substrate, we are using this in an economy lens filter line we are developing. As for why no one else uses it, I'm not sure, but Gorilla glass hasn't been on the market as long and can be 3-4x as expensive than B270. We have seen excellent sharpness with the gorilla glass, while being incredibly strong. If anyone wants to try one out to compare to another premium option we would be happy to loan a demo unit.
