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PhotoBlocker Spray
image The makers of PhotoBlocker spray claim that their product will make your license plate invisible to photo radar, red light cameras, and infrared and laster cameras. Special crystals in the spray will reflect back the flash (or light source) used by these cameras, making your license look like a bright blur. Would this actually work? Would it be legal if it did? They say that the spray is invisible to the naked eye, which means that it won't be of much use if a cop pulls you over. Personally, I've always thought someone should make a stealth car, made out of the same material as the stealth airplanes. That would be cool. (via Red Ferret)
Categories: Law/Police/CrimeTechnology
Posted by The Curator on Tue Dec 07, 2004
Photoblocker isn't designed to blur the characters; all it is meant to do is overexpose the image. Either someone doesn't know how to use a camera, or they are telling porkies!
Posted by Steve (smeggy)  in  London  on  Mon Oct 11, 2010  at  07:08 PM
http://www.youtube.com/watch?v=lqMjDyHbhXk
Posted by dont buy it  on  Mon Nov 01, 2010  at  09:43 AM
why are you all still driving everywhere? just get scotty to beam you up. Problem solved.
Posted by Steve  in  Bristol, UK  on  Tue Nov 16, 2010  at  07:50 AM
I, myself bought a can of clear spray paint for less than 2$ from Wal*Mart and sprayed it on my plate. When I take a photo of my plate using a digital camera + flash, I get an overexposed image. I haven't gotten a red light ticket yet, but I don't think that's proof of anything. I am not considering buying photoblocker but if you are, try calling their customer service department and trying to ask for a refund BEFORE YOU BUY SOME. My guess is that nobody will answer you or you'll be put on hold forever.. then you'll have your answer.
Posted by Chazzer  in  USA  on  Sun Nov 28, 2010  at  05:50 PM
Here's an idea, 100% guaranteed to prevent tickets. Don't run the red light. Too simple? Probably, but works every time it's tried.
Posted by Lawman  on  Wed Dec 08, 2010  at  08:42 PM
Alex you sound like a homo faggot. Fuck you you fucking queer. really i HATE you. dont go making important sounding quotes youre a nobody. FUCK YOU
Posted by Mark  in  Kts  on  Mon Dec 27, 2010  at  06:26 PM
Mark in Kts said:

"Alex you sound like a homo faggot. Fuck you you fucking queer. really i HATE you. dont go making important sounding quotes youre a nobody. FUCK YOU"

Boy, you just can't argue with logic like that.
Posted by Cranky Media Guy  on  Mon Dec 27, 2010  at  07:39 PM
I've taken the leap.

I've just received a can of Photoblocker spray, with the intention of doing objective, controlled, fully technically legitimate, irrefutable testing.

The spray was purchased directly from an official website, so there's minimal chance of it being a poor quality, cheap counterfeit.

I should say: there is no way I can prove if it absolutely works, but I can prove it if does absolutely nothing at all.
Posted by Steve (smeggy)  in  London  on  Fri Jan 07, 2011  at  01:40 PM
My controlled, half-plate testing shows the spray does not work.

It does not increase the reflectivity of a UK legal retro-reflective registration plate (this being highly reflective anyway); in fact the spray slightly reduced the reflectivity. All it does is create a slightly rough, glossy surface. So much for "over-exposing"!

I cannot show the raw results as I used my own registration plate for the examination.

If I do get results that I can show, I will probably place them on the Safe Speed website.
Posted by Steve (smeggy)  in  London  on  Sat Jan 08, 2011  at  07:34 PM
The trick here people is not to spray the whole plate. Cover the whole plate with FROG tape then carefully cut out the letters and numbers on your plate with a razor. Change the numbers using the razor to make a different number like 3=8, B=8, L=E, F=E do it for each number and letter. Then spray the plate with a vertical angle one coat 90 degrees right next coat 90 degrees left. Let dry and remove the rest of the tape. Now take a picture from any angle WOW what number is it a 3 or an 8 or was it an E,J or U could it be a 0-O-U-J-L-E-F I can't tell but photo cams cant. THIS does not work for radar There's another trick for that but it takes too long to explain. Have fun and stay safe.
Posted by Jerry  in  New Jersey  on  Sat Jan 29, 2011  at  03:05 PM
@Jerry,
I think you need to read the post prior to yours.

The spray does NOTHING; my half-plate testing proves this. Half of the plate was sprayed, the other half covered; this enabled a direct side-by-side comparison.

- It does not affect the retro-reflectivity of the characters
- It does not affect the retro-reflectivity of the background

Given these results, it is obvious that your idea cannot work.
Posted by Steve (smeggy)  in  London  on  Sun Jan 30, 2011  at  11:38 AM
Consider this...

Have any of you taken a photo of your car's license plate when the light conditions are such that the flash goes off... Go and have a look at your photos where there is a car in the background, or go and take a photo and have a look at it... Now-when you take ordinary photos of an ordinary (non-photblocked) car where the flash was triggered, you will notice that WITHOUT photoblocker, the naturally reflective surface of the plate is such that all you get is an overexposed licence plate - a white glare so bright that you can’t read the plate...

Now, consider this - if a NORMAL camera, taking a photo of a NORMAL plate, is enough to make the plate unreadable, it stands to reason that the authorities have long ago developed a camera/flash that does NOT glare like a normal camera would, in order for them to recognise your licence plate... and if they have done this FROM THE ONSET, what makes you think that you can outsmart their camera's by spraying a glossy/reflective finish over an already reflective surface, a catachrestic of a NORMAL, NON-PHOTOBLOCKED licence plate that was overcome years ago....????

I’m Sorry, but until their websites can explain SCIENTIFFICALLY how their product "reacts differently" to a flash, I will not buy it. Merely showing me a before and after photo of an effect my normal camera en licence plate does ANYWAY, is not going to convince me..
Posted by Xeffer  in  South Africa  on  Thu May 23, 2013  at  06:35 AM
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