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farmer giles



Member Since: 09 Feb 2011
Location: worcestershire
Posts: 1299
2011 Defender 110 Puma 2.4 SW Cairns Blue
forgive my ignorance but how do auto dimming mirrors work? Embarassed

is it electro photo sensitive or something else?
Post #193106 13th Dec 2012 9:42am
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XS Pete



Member Since: 13 Jan 2011
Location: Suffolk
Posts: 632
England 2011 Defender 90 Puma 2.4 XS CSW Stornoway Grey
I think it's along the same lines as auto-dimming welding masks. They use an ultra-fast light sensor to polarise an LCD (obviously a plain one without digits and stuff on it, and no rear reflector), which is placed in front of the regular mirrored surface.

When light is detected, the LCD is polarised dark, which stops light getting through to the main mirror, and blinding you.

Pete
Post #193108 13th Dec 2012 10:15am
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farmer giles



Member Since: 09 Feb 2011
Location: worcestershire
Posts: 1299
2011 Defender 110 Puma 2.4 SW Cairns Blue
cheers pete Thumbs Up

i therefore requires an electric feed and, as they say on dragons den, i'm out
Post #193125 13th Dec 2012 12:35pm
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XS Pete



Member Since: 13 Jan 2011
Location: Suffolk
Posts: 632
England 2011 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Me too. I looked at this a year ago or so, as I had one kicking about from an Audi A3, but came to the same conclusion!

Pete
Post #193390 14th Dec 2012 8:47am
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willy eckerslike



Member Since: 15 Jun 2009
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DGardel why is coco the clown in your Defender Shocked


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Post #193421 14th Dec 2012 10:32am
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BigRuss



Member Since: 15 May 2010
Location: Norfolk
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United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
willy eckerslike wrote:
DGardel why is coco the clown in your Defender Shocked




Rolling with laughter Rolling with laughter Rolling with laughter

Well spotted Thumbs Up Russell
2011MY 110 XS USW Black
Post #193422 14th Dec 2012 10:37am
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dgardel



Member Since: 30 Nov 2008
Location: Veneto (Heart & Head)
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Italy 
willy eckerslike wrote:
DGardel why is coco the clown in your Defender Shocked





Rolling with laughter Rolling with laughter Rolling with laughter Rolling with laughter Rolling with laughter

I'm a clown! Big Cry Big Cry Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition

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Post #193428 14th Dec 2012 10:50am
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