Crabgrass and LED lights.

Knight_Light · Jun 20, 2013

Who knew that crabgrass illuminates totally different from regular grass when it is hit by an LED light. I've seen this phenomenon for a long time but decided to write about this to see if anybody else noticed this interesting and totally irrelevant fact.

JCD · Jun 20, 2013

Picture?

With what LED emitter are you illuminating the grass?

Knight_Light · Jun 20, 2013

JCD said:
Picture?

With what LED emitter are you illuminating the grass?

xml2 cool white

Bigmac_79 · Jun 20, 2013

JCD said:
Picture?

...

+1!

Knight_Light · Jun 20, 2013

Sorry guys I don't have a picture. Still trying to figure out the night photography thing.

markr6 · Jun 21, 2013

Is it appear dull on one side and more sheen on the other? I noticed about half the trees I light up do this. Even last night with my L10 Nichia, the maple tree leaves looked normal on "top" but underneath they looked almost white, probably due to the softer, rougher surface.

Knight_Light · Jun 21, 2013

markr6 said:
Is it appear dull on one side and more sheen on the other? I noticed about half the trees I light up do this. Even last night with my L10 Nichia, the maple tree leaves looked normal on "top" but underneath they looked almost white, probably due to the softer, rougher surface.

It almost kind of has like a phosphorus glow to it. It's even more pronounced if there is dew.

eebowler · Jun 22, 2013

That is why I use warmer tint LED for outside stuff. The waxy coating on leaves, water droplets etc reflects back a lot of light that can reduce clear vision.

Cereal_Killer · Jun 22, 2013

markr6 said:
Is it appear dull on one side and more sheen on the other? I noticed about half the trees I light up do this. Even last night with my L10 Nichia, the maple tree leaves looked normal on "top" but underneath they looked almost white, probably due to the softer, rougher surface.

Thats just how maple trees are, ever saw a maple in a wind storm? They look silver cause all the leaves are turned up showing the bottoms.

Crabgrass and LED lights.

Knight_Light

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JCD

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Knight_Light

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Bigmac_79

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Knight_Light

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markr6

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Knight_Light

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eebowler

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Cereal_Killer

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