Color-isolating polarized lenses like Chromapop and Prizm

[DanLiv]

Does anyone know who manufactures the color-isolating polarized lenses like SMITH Chromapop, Oakley Prizm? It's gotta be a generic blank because all the premier sun vendors have their house brand version of it, but none of them are lens manufacturers. I do like the vividness of the Chromapop (I'm sure some of it is placebo, but the science is sound), but their lens technology and prices are crap. I'd rather do it myself, but I've never heard of any lens manufacturer promoting such technology. Is this a big secret, or am I just not in the know?

[drk]

I'd simply like to know what makes them tick.

[Barry Santini]

I'd simply like to know what makes them tick.

Chromapop has a steep notch filter around 570nm, making the differences between red and green more exaggerated/saturated.
B

[drk]

Thanks for helping, Barry.

I need more help.

"Notch filter" means that it only filters a narrow band of light? (How dey do dat?)

570 nm looks like this:


...which is, IIRC, the color that our eyes are most sensitive to*.

So, what they're doing is "levelling out" our sensitivity? Or, better said, they're blocking the middle of the spectrum and leaving relatively "unblocked" the long and short wavelengths?

That sounds bizarre because it sounds like they'd be making us "green-deficient" (deutan) color blind people, and that's not a recipe for "chroma pop".

But I'm not arguing that you're wrong. Just that I don't get it.




*

[drk]

https://blisterreview.com/gear-revie...t-is-chromapop

https://www.youtube.com/watch?v=5puYA2-8ttc

This more fully explains it, and it's what you say. But it's not what I thought.

[drk]

And it sounds similar to the Enchroma jazz. Maybe you contributed to this, Barry? https://www.2020mag.com/article/the-sun-rise-of-rx

[drk]

(Late correction: a filter like that 570 yellow-green would block some blue. Not that it explains anything.)

[Uilleann]

It's the "blue light" BS baked in a sun cake instead of a clear cake. 99% marketing - 1% science. None of them approach the visual clarity and quality of even say Maui Jim's lens. *shrug* But it moves units.

I sometimes wonder if the general credo of our industry manufacturers largely should simply be changed to: "If it smells, it sells!" CHA CHING!

[DanLiv]

I definitely do notice a difference in SMITH chromapop, colors are more vibrant than in any of my other sunnies. And all my sunnies are as good as Maui Jim, FFSV polarized mirrored and backside AR. I do have mild red-green color deficiency, so maybe they really are more effective for me than others, but I want to get a hold of those blanks so I can make them myself.