Instructables
Picture of Physical Purple & Blue Camera Filter
In this Instructable, I will be teaching you how to create a physical camera filter for your iPhone/iPad.

This project came about when I had noticed some scraps of colored cellophane lying around the house. I was intrigued to see if i could use them in a camera filter, and eventually ended up with a reversible purple & blue filter that slides over the camera. This filter can quickly change the temperature in any photo, and applies an interesting grainy effect. I also noticed that this filter reacts much more dynamically to changes in light and exposure than a digital filter, which can help create some interesting pictures.



Note- this is my first instructable, so any support is greatly appreciated!
 
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Step 1: What You Will Need for This Project

Picture of What You Will Need for This Project
TOOLS
For this project, you will need:

A drill

assorted drill bits around 3/8th size (Slightly larger than the size of the camera lens)

A hot glue gun

Pliers

Scissors

MATERIALS
For this project, you will need:

A piece of sheet aluminum, approximately 4" by 3/4" ( If you do not own any strips of sheet metal like this, don't worry. You can substitute a piece of tough, flexible plastic or cardboard)

Two adhesive felt pads, with a diameter of approximately 1". (If you cannot find any of these, you will simply have to cut standard felt into circles. 

Two bottle caps (it is okay if they are different colors or sizes)

Two scraps of cellophane, purple or red and blue (these should be bigger than the bottlecap)