How to tell if sunglasses are polarized in 3 SECONDS! 

1:20

Those were a long 3 seconds.

After 5 years then only this video came to my recommendation..

Got mine recently. Was scared if they weren't polarized. Your test proved me wrong! Kudos for the good work.

I worked as an optician and all you have to do is look outside and look at a hot spot on a car or something shiny, and if it diminishes almost completely they’re polarized.

Best video on shades ever!! I just bought cheap one yet doubting if it’s really polarized or not. And yes, I have real polarized pair. Thank you!

You can also use a second known polarized lens, from another pair of glasses for example, and you basically do the same thing. You look through both lenses, and then as you're looking through both of them, you turn one lens 90°. If both lenses are polarized, then they will be relatively transparent, and light will go through both of them when the polarization of both lenses are aligned in the same direction, but when the lens's polarization are 90° to each other, they will turn opaque and not let any light through.

Thanks for this post. You´re an angel. I plan on buying polarized. I wanted to make sure there is a check system

This video was great at explaining the difference of lenses. Thank you!

Thanks for that explanation. Was remembering people complaining polarized making phones turn black and my coworker checking out my new prescription sunglasses and noticing they could see their phone screen when I mentioned they were polarized and started to worry the dealer didn't hear me say I wanted them polarized

That was super easy....thank you!

3 SECONDS ISN'T 3 MINUTES!!!!!!!!

You said you need to use an LCD display and you used an AMOLED one...

Learn in 3 seconds how to tell if your glasses are polarized in 2 minutes and 30 seconds! :)

I love how he says have a great day, you don’t hear that these days on RU-vid, it’s people shoving down your throat to like and subscribe

A much easier way is using a common calculator quartz screen, turn calculator on, press some random numbers and do the same, screens turns all black on polarized.

Short to the point. This is rare these times. thanks :)

This works great! Thanks. I wasn't sure if some lenses I bought on Ebay were really polarized but they are! Yippee I got a deal. 👍☮️🌞👓

Wow, didn't know my 4 year old prescription oakley glasses were polarized untill now. thank you!

You can also look at tinted car windows. Not after market film tinting, but the kind that is built into the glass. When you look at the window through polarized glasses you will see diamond shapes.

Re: how to tell if sunglasses are "polarized", there is another simple test: if you have one pair of polarized glasses, you can place a 2nd pair of lenses behind (so you are looking thru both lenses at the same time. If aligned on the same plane, turn the bottom ( ? lense) 45 degrees (either Ryan. Or lt.). If this blocks out ALL light thru the lenses, the questionable lenses are polarized. The reason being that polarized lenses block light in one direction. If light travels thru both lenses initially, turning one lenses. Perpendicular to the other will block all light telling you that both lenses are "polarized".

Thank you. That was quick and easy to test my new polarized sun glasses

How can anyone give a dislike! That is straightforward valuable info. I’d bet that the disljets will secretly use that technique though!

That’s true! I found the colors changing weird at first haha but I have the best vision with them on while driving on sunny days. 😎☀️

if u have a LCD monitor, wear your sunglasses while looking at the screen, then tilt your head left and right. If the monitor darken, u have a polarized glasses.

Before the advent of the smart phone...we did exactly this but instead of using a smart phone "lens" as the 2nd lens...we held up the questionable sunglasses up to another pair of ACTUAL polarized lenses. If they turn darker (or blackout) as you rotated....you knew the 'questionable' sunglasses now passed the test and are actually polarized. *(I realize most people know this...but there might be a 16 yr old or really young person who doesn't know this.)

skip to 1:50

Thanks for all advices! Help me a lot Cheers from homebase bali)) just found classes)

One of the best videos I ever seen,👏🏽👏🏽👏🏽

Mine are darker when sideways, is it just badly designed or just as effective?

Really useful. Thanks!

How would i be able to find my favorite dg sun glasses that i purchased 1 year ago but i lost them on vacation and i don't know the model number, i just have a clear discription

this is like the call from the wife while in the pub . “I’ll be home in 5 minutes “ ..........🤣

Is it normal that one lens is polarized at a different angle than the other one? (Whenever I see a display, even the ones on my car's dashboard, both lenses receive a different amount of light, making an effect akin to the one caused by the 3D glasses in movie theaters)

Thanks for the valuable information, but I want to ask, I see through the polarized sunglasses the sun reflected in the glass of cars in the form of a blue dot. Isn't this a blue light pass to the eye and is it dangerous؟ Thanks again

Great trick, dude! Mine get a complete dark blank at 90 degrees.

Thank you for the information..You have a great Day

Very nice !!! Easy to verify. Great tutorial !!!

Very good, thank you. There is no way I would have thought of that.

You can also tell when looking at someone’s window on their car... if you can see “rainbow effect” then your glasses are polarized.

how much are the Polarized version you had in the vid, i have thos exact same ones on rn but i cant seem to find a value for em, i can only find a value for the non polarized

Legend! Needed that

my polarized glasses at horizontal position does block all screen and when i tilt head left or right it brightens, so yea kind of different experience or maybe ray bans got shit polarization

Those who are complaining about the "3 seconds" should know that to realize if its polarized or not it will take 3 seconds and to do the setup it may take ages for you as you are too laze to even watch this. Its a neat 1 and simple to understand.

Excellent! Quick and easy.

Love my Oakley polarized sunglasses, every fishing trips they are with me

You can also use a pair of polarized sunglasses. Look through one pair while rotating the other. The lens will you are looking at will turn dark and light depending on the angle you turn it. If no darking/ lightening then one pair isn’t polarized.

Excellent tip ! Bravo !

Thanks for sharing mate!

Just seen your video, simply USEFUL. Thanks a lot. Keepup

That was very helpful. Thank you.

Good to know! I learned something today!

My €4.50 shades are actually polarised very surprised aliexpress you beauty👌

Adjustable angle polarizer sunglasses are best !!! Is there a trade-off between UV protection & glare protection?

so as long as the color shifts slightly gets darker or lighter the glasses are polarized?

I just bought Oakley batwolfs on the Letgo app. They were advertised as non polarized soft grey lenses but when I perform this test on my LG LCD TV the lenses fade out to almost all black at around clockwise 2:15 angle. Are they polarized? I payed $50 and theyre mint. The pretty girl seller said that the boyfriend she broke up with a year ago left them at her place and that they were never used once. She said they have been collecting dust in a drawer for a year. Her loss my gain?

I have polarized optical sunglasses as you showed in the video the lense of glass full or little bit coming black but in my glasses it comes in broken portion dark black color. So why it is like that tell me sir please?

Will this trick work with led screens like AMOLED, sAMOLED?

Thanks for sharing this idea. It is a great help.

If you try this in a LCD screen, when rotating the frame the screen will turn completely black. This is how to tell if it is polarized. -Optician :)

0:27 Well... Old CRT TVs and new OLED/AMOLED TVs or Smartphones have pixels but aren't necessarily polarized. Even LCD displays aren't all the same. All in all, it's a reasonable way to test your sun glasses. But if you don't have this effect, that doesn't necessarily mean you're sun glasses aren't polarized...

How i tell if they’re polarised: it says “ray ban p” on the lens

you could alternatively just wear your sunglasses and tilt your smartphone display at odd angles whilst looking at it.. if you see areas on screen that are non uniform in terms of color or brightness it is polarized

Finally!!, at 1:20 we get the more than 3 seconds test. OR -- Just rotate the glasses (or your head) to view a summer sky, and you'll see even more quickly. If he could edit out all the retries, and fails, he could get the video down to less than 1 minute.

Thanks for this quick hack... It helps

That was a cool effect! Thanks!

Thanx a lot dude, just checked to see if my cheap sunglasses (25 usd) are polarised. and they are..

clear and fast explanation thanks for your effort

That is so cool! I got polarized sunglasses about a week ago. When I aim at my phone screen and rotate the glasses my screen goes completely black.

Excellent tip, thank you!

Thanks for the idea..... Didn't know this...

Very Helpful , thanks

Great test bro

Works with any LCD panels not Samsung AMOLED PenTile matrix displays. LCD will show up almost black.

Thank you 😊❤️

So what if mine are only darker when in vertical position and not horizontal.

Which one is better sun glasses in sun light

Thank you so much. It really helped.

It worked fine, thank you

Thank you, very easy and good video.

TIL!!! Such a neat little trick to learn if a pair is polarized. 7 yrs late but TY!!

Wow thanks for the tip I’ll check mine

Can you get non polarized lenses that still have UVA and UVB protection.

unless it's an amoled display, those are uneffected by polarized sunglasses completely. no color shift or brightness change.

There is a much easier way. You need one pair you know is polarized. Take the second pair and hold the lenses where they cross each other at a 90* from the other. If the lens on the second pair black out, they are polarized. If not, they are not polarized.

Thanks. Very helpful👍👍👍

Cool and practic vid!! I just see to a neon light, or any reflex on windows or even confront two polarized, and there's the point where there's no image, 'cause they block all the light. I can"t live without polarized at outdoors, since I got the fist ones (arnette) 25 years ago. It"s funnu how some people love polarized (me) and some peole just don't get use to them (my wife). Thanx !!

I bought polarized sunglasses but Im struggling looking at the screen of my iphone 13promax because of the rainbow effect? does screenprotector affects the polarized rainbow effect? can you help?

so I should put the sunglasses on and rotate the phone, right?

actually pretty useful

That's a really cool trick

Great.. make a video on Airforce military sun glasses too

Are they polarized better if they go completely black at one angle? My glasses go completely black at one part

and i was wondering why i cant see anything when my smartphone is horizontal

Is the photo you used to check need to specific or just a random pic

screen from my phone becomes completely dark when i put it hozizontal. but is very bright when i put vertical. mine are Polarized :D

2x pairs passed, 2x failed for me! thank you so much!

Great info. !!! Thanks. !!!

Thanks. They helped. Bought cheap pol sunglasses but they actually are. So thanks

My prescription lens is polarized but it has a burnt like shade on the sides is this normal? It has no effect whatsoever on vision though...