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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > A4Tech PK333MB webcam IR filter removal pics

RSS >  A4Tech PK333MB webcam IR filter removal pics
zaelu #1 13/04/2008 - 00h35

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I took one A4Tech PK333 MB webcam for a friend to mod it for freetrack. It works pretty much as all A4tech's with good FPS (~30) and low jitter.

It is also a very cheap and small webcam.

Here are some pics and explanations on how to remove the IR filter from it and IR LEDs if you wish. I find it really odd that although the camera is fitted with IR helping LEDs it still has IR filter... but...

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Kestrel #2 13/04/2008 - 09h42

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As always a very nice contribution zaelu!  :)
didja #3 19/04/2008 - 21h03

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I don't see anything else to say, that's really great !

Rémy
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aceshigh #4 10/02/2009 - 20h14

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its supposed to be a NIGHTVIEW webcam... thats why it has IR Leds... it surprises me it has IR filter!!



does the camera WORKS for anything but Freetrack after the "surgery"?

I mean, how does it works now for using it for filming, and at night (which was its advertised "strenght")?

Thanks
Bushlurker #5 15/04/2009 - 17h18

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A superb post! Thanks a lot! I've just ordered one of these cams today via Amazon... I'll be following this guide carefully as soon as it arrives!

thanks Zaelu!
Bushlurker #6 21/04/2009 - 09h00

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ok - bought one.....

Didn't bother removing the IR filter - (couldnt get the wee 2-screw lens cover off) - also didn't bother with a visible light filter or piece of floppy over lens....

I just put a piece over the daylight sensor, turned the exposure down a good bit, stuck 3 pieces of old safety jacket on a baseball cap and I was working fine!!

After tweaking a little I ran Armed Assault - the only game I really play - works great! - this is a great plug and play minimum fuss cam for the reflective style of "headgear"....
aceshigh #7 04/06/2009 - 00h19

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I just bought this camera... I am using its software called Amcap... is it my impression or the FPS of the camera has a HUGE drop when you turn the lights off??? You know... because I like to play with lights off!
el_muerte #8 26/06/2012 - 00h57

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Bushlurker @ 21/04/2009 - 09h00 a dit:

ok - bought one.....

Didn't bother removing the IR filter - (couldnt get the wee 2-screw lens cover off) - also didn't bother with a visible light filter or piece of floppy over lens....

I just put a piece over the daylight sensor, turned the exposure down a good bit, stuck 3 pieces of old safety jacket on a baseball cap and I was working fine!!

After tweaking a little I ran Armed Assault - the only game I really play - works great! - this is a great plug and play minimum fuss cam for the reflective style of "headgear"....



This looks to be exactly what I'm after.  Could you do me a huge favour and estimate the range of the camera using reflective tape?  I use my TV as my display and sit about two metres back, would love to have some confirmation that it will work fine at that range.  Thanks!

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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > A4Tech PK333MB webcam IR filter removal pics

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