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Old April 2nd, 2016, 05:43 AM   #1
Inner Circle
 
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A cheaper way to upgrade our lenses

Not that I recommend taking them apart for this:

This is the world's blackest material - and it's now available as a spray paint

Quote:
The world's blackest material, made by British firm Surrey NanoSystems, is now available in spray paint form. Vantablack, first created in 2014, uses "carbon nanotube matrix" to absorb virtually all incident light - and makes three dimensional objects appear two dimensional, as their surface shape becomes virtually invisible."
See here:

The blacker / more non-reflective the side surfaces are, the less that light scatter will interfere with your desired image.

Andrew
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Old April 6th, 2016, 05:46 AM   #2
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Re: A cheaper way to upgrade our lenses

But it has to be heated to around 100 Celsius to undergo the reaction to produce the carbon nanotubes that absorb the light. Not sure if they recommend many lenses getting that hot.

Might be great material for a backdrop, light spill won't matter as the reflectivity is so low.

Last edited by Andrew Hood; April 6th, 2016 at 05:47 AM. Reason: Looking at the wrong temp - Vanta black can handle up to 300
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Old April 6th, 2016, 08:56 AM   #3
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Re: A cheaper way to upgrade our lenses

I thought it was still unbuyable by normal mortals at this point?

You guys have seen the Chicago bean is now coated in this, right?
If not, Google it. It's... Just wow.
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Old April 6th, 2016, 11:10 PM   #4
Inner Circle
 
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Re: A cheaper way to upgrade our lenses

You don't need to make the whole lens this hot, just the lens casing as it would be applied to the inside of this to eliminate internal spill.

Andrew
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