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Home   /   Lightroom Tutorials   /   Create a DIY Rainbow Light Filter (for Unique Rainbow Effects)

Create a DIY Rainbow Light Filter (for Unique Rainbow Effects)

By Anna Gay on July 30, 2019 | No Comments

rainbow light filter

How to Create a DYI Rainbow Light Filter

A while back, a photographer friend of mine made a really neat DIY rainbow light filter using diffraction glasses, and I wanted to give it a try myself so that I could show you how.  Let me tell you, making this little rainbow filter and shooting with it have been so much fun, so I encourage you to try it if you are looking for something new!

Here's how to make your own... 

Portrait Photoshop Actions

1. What You Need to Get Started

First, you will need a pair of diffraction glasses, and a lens filter that you don't mind putting a little bit of tape on the edges.

The diffraction glasses that I ordered are cheap and flimsy, which is exactly what you want!  You want to be able to cut them apart to fit them onto your lens filter.  The nicer ones with actual lenses and sturdy frames aren't as easily applied to your lens filter.  Here is a link to the kind I used: 5 Pack GloFx Diffraction Glasses on Amazon. 

So, order the 5 pack so that you can use a pair for lens filter purposes, and give the rest to the kids - everyone wins!

Next, you'll need a lens filter that you don't mind applying tape to the edges - this is a great time to use one of those really cheap UV filters that came with your camera and/or lens package!  In this case, I used a warming filter that I haven't used in ages.

DIY Rainbow Light Filter

When you wear the glasses, you'll see all kinds of neat rainbow starbursts when you look at a light source.  Here, you can sort of see the rainbow effect:

How to Put a Rainbow Effect on Pictures

2. Remove the Diffraction Lens Paper

I cut the glasses down to just the diffraction lens/paper:

How to Add Rainbow to Your Picture

3. Tape the Diffraction Paper to Your Lens Filter

Then, I gently taped the paper to the lens filter.  The diffraction paper didn't cover my entire lens filter, but it still worked just fine:

How to Add Rainbow Filter

When applying the tape, make sure that you keep the tape ABOVE the threading on the filter so that it does not transfer any tape or reside to the threading on your camera.

rainbow light leak transparent

4. Take Some Photos

Here are a few examples for you to see how it works:

how to add rainbow effect to pictures

how to get rainbow effect on pictures

rainbow light photography

Bonus Tips

So, there you have it - one of the neatest experiments I have made lately!  Here are a few bonus tips:

  • Get the diffraction lens/paper as flat against the lens filter as you can.  That way, you'll get the sharpest possible image.
  • Shoot in bright light!  Not only do you need it since you are placing the diffraction lens on your filter, but the more light you have, the more rainbows you'll get. 
  • Move around, and look at your subject from different angles to see how the light bounces and how the effect changes depending on where you point your lens. 

If you want an even EASIER and FASTER way to add rainbow light effects to your images, take a look at the Pretty Actions Kaleidoscope Overlays Collection.  These light effects (including rainbow) can be added in Photoshop in just a few clicks and were 100% optically captured in-camera using a variety of iconic vintage lenses, to give you THE MOST AUTHENTIC EFFECT.

Do you have any questions or comments about How to Create a Rainbow Light Filter?  Leave us a comment below - we would LOVE to hear from you!  And PLEASE SHARE our tutorial using the social sharing buttons (we really appreciate it)!

Photoshop Lens Flares

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Pretty Presets for Lightroom author Anna Gay

Anna Gay

Portrait Photographer

Anna Gay is a portrait photographer based in Athens, GA and the author of the dPS ebook The Art of Self-Portraiture. She also designs actions and textures for Photoshop. When she is not shooting or writing, she enjoys spending time with her husband, and their two cats, Elphie and Fat Cat.

July 30, 2019

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