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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > Really low field of view (F.O.V) with infra-red LEDs!

RSS > Really low field of view (F.O.V) with infra-red LEDs!

lukinhasb	#1 18/12/2009 - 19h47 Top
Class : Apprenti Posts : 18 Registered on : 14/09/2009 Off line	Hello, I've just made an model that uses infra-red instead of normal LEDs, but it has an REALLY low field of view, it's about 7~10º of F.O.V, I can barely move my head without it "disappearing" for the webcam. What can I do? I've read this part of the Hardware FAQ: The LEDs fade away when I turn my head only a small amount. The viewing angle of your LEDs is too small, increase the viewing angle by filing the LED lens tips down flat, almost to the metal part and then make the final finish transparent matte (not too shiny, not too rough). I didn't understand what I have to do
C6_LeBorgne	#2 19/12/2009 - 12h49 Top
Class : Beta Tester Posts : 224 Registered on : 09/08/2007 Off line	Just make the DEL "Flat" using a Dremel for example with de "Sand paper ring " as near as possible of the "chip" . Sorry for my English C2D 6420 , 2Go DDR II , 570 GTX , Wiimote , A-quip mini BT Dongle , Thrustmaster Warthog , Pro Gamer Command Unit et PCDASH2
lukinhasb	#3 20/12/2009 - 17h03 Top
Class : Apprenti Posts : 18 Registered on : 14/09/2009 Off line	Look, this isn't a joke, but can you draw it for me? lol I'm an 17 years old Brazilian, having my first contacts with eletronics by now, I don't know wich parts of the led you are talking about. Thanks for the attemption.
C6_LeBorgne	#4 20/12/2009 - 20h06 Top
Class : Beta Tester Posts : 224 Registered on : 09/08/2007 Off line	like this : C2D 6420 , 2Go DDR II , 570 GTX , Wiimote , A-quip mini BT Dongle , Thrustmaster Warthog , Pro Gamer Command Unit et PCDASH2
lukinhasb	#5 20/12/2009 - 21h25 Top
Class : Apprenti Posts : 18 Registered on : 14/09/2009 Off line	Aaah, I see!!! Thanks, I'll try it! I'll tell my results in a while
eagleeye	#6 22/12/2009 - 01h25 Top
Class : Apprenti Posts : 2 Registered on : 22/12/2009 Off line	do you mean i should cut my led to the metal part but that will damage it ( i think) and how can i do this plz can you tell me i really want to have this
C6_LeBorgne	#7 22/12/2009 - 07h16 Top
Class : Beta Tester Posts : 224 Registered on : 09/08/2007 Off line	"Cut" as near as possible but keep some "plastic" above the chip . You can use a dremel with the "sand ring" Very effective , it takes only couple of secs . Use a clamp to avoid injuries C2D 6420 , 2Go DDR II , 570 GTX , Wiimote , A-quip mini BT Dongle , Thrustmaster Warthog , Pro Gamer Command Unit et PCDASH2

FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > Really low field of view (F.O.V) with infra-red LEDs!

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