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"Tape-Trick" for lower liftoff-distance(LOD) with optical mice

post #1 of 15
2/6/12 at 4:22am
Thread Starter 
To reduce the LOD in the first place, you have to decrease the illuminated spot on the surface, rather than weakening the light itself(with more or less transparent tape).

So take non-transparent!!! tape, and stick it over the hole of the bottom of the mouse, until it reaches the small lens:

vFWpOl.jpg
N2MDbl.jpg

done!
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post #2 of 15
2/6/12 at 4:54am
Should also reduce the maximum speed, did you try that?
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post #3 of 15
2/6/12 at 5:20am
ah.. followed some wrong guide, now this tape trick works on Kana : )
Edited by fasti - 2/6/12 at 5:28am
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post #4 of 15
2/6/12 at 5:24am
Thread Starter 
Quote:
Originally Posted by Skar View Post

Should also reduce the maximum speed, did you try that?

In my experience it doesn't significantly decrease the max-speed, if at all when u leave the small lens area completly free.
It doesn't affect the area of light the mouse tracks when sitting down anyway, just the area infront of where the sensor takes pictures of, which then would wander right under the sensor while lifting the mouse off.
But that gets cut of with the tape:

MRAael.jpg
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post #5 of 15
6/22/12 at 11:29am
Hi,

I have a Gigabyte GM-M6880 optical mouse. I have tried to put scotch on the entire hole but it reduced tracking completly. Then i put like you showed in the picture but depending how much of the hole i covered it either did nothing or it reduced tracking completly. Any suggestions?

Also why is non transparent tape essential? I've seen the same tutorial on youtube but many of them used clear tape.
Edited by Pentdragon - 6/22/12 at 10:14pm
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post #6 of 15
6/25/12 at 7:11am
Thread Starter 
because depending on which transparent tape it is, it wouldn't do anything at all.
but your mouse seems to be a laser mouse, so this doesn't work.
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post #7 of 15
6/25/12 at 7:36am
As above....GM-M6880, Laser Gaming Mouse.....not optical thumb.gif
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post #8 of 15
6/25/12 at 7:44am
Technically it's still CMOS based using a simular lens assembly. The sensor itself is likely spec'd for optical illumination.

It should work if carefully placed, but I don't quite have an HD picture of the backside of the mouse.


Edit : http://product.pconline.com.cn/pdlib/263355_bigpicture2367624.html < Need better than this.
Edited by Skylit - 6/25/12 at 7:48am
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post #9 of 15
6/25/12 at 1:43pm
Quote:
Originally Posted by Skylit View Post

(...) http://product.pconline.com.cn/pdlib/263355_bigpicture2367624.html < Need better than this.
http://www.mygarage.ro/attachments/componente/104135d1278578050-poze-componente-p1070245.jpg
source

Edit: I believe that this tape trick will not work with laser sensors.
Laser light is just too narrow. example - video
Edited by AquaSurfer - 6/25/12 at 2:21pm
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post #10 of 15
6/28/12 at 7:48pm
Why don't(doesn't?) all mouse manufacturers use this on stock mice? As far as I know only A4tech do this with V-track mice..
Edited by bobuy00 - 6/28/12 at 7:50pm
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