How to make screen glare?

Getting Started
1

I have a newbie question about Unity.

How to make a screen glare like 1:30 of video?

http://youtu.be/TdiRq5lehCI?t=1m20s

2
3

I Know about flares, but i want a ‘‘Glare’’ effect , like in Battlefield 3 .

Thanks for reply.

4

But even that is a lens flare, just a different looking one. Or are you talking about bloom?

5

A glare is caused when a bright light is shining on your screen and I don’t think it is used to describe a special effect. All I saw at 1:30 was a lens flare with maybe a little bloom and/or motion blur.

6

After searching the forums, I found a tool that does what I want. Link below:
http://forum.unity3d.com/threads/160217-glareFX-Dirt-Lens-Effect-(Battlefield-3-like)
But there is another way’’ cheap’’ to do it?

7

After a few tries, I got a similar effect, was not perfect.
There it is result.

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