Shopping list FTIR setup

I created the following shoppinglist for constructing my touchscreen prototype which is based on Frustrated Total Internal Reflection (FTIR). Tomorrow I will investigate where I can buy the material and I will add the prices.

FTIR Prototype Shoppinglist
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1x
Camera
Fire-I Board Camera Color

1x 
Camera IR Lens
4.3mm Standard Lens (NO IR COATING)

1x 
Acrylic
8mm thick, 41cm x 31cm, with smooth edges

1x 
Metal Polishes  (optional)
Brasso

1x 
Sandpaper (optional)
Norton T223 / P320; Auto-paper P800A and P1200A

1x 
H-Shaped Aluminium Frame
3cm x 164cm

4x 
L-Shaped Brackets

16x
Screws

1x
Adapter
12v DC; 1000mA

30x
IR LEDS
850nm; 20 mA; 1,8V

5x 
Resistors
68 ohms