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PS3 Eye Camera Band Pass Filter Insertion
Posted: 06 March 2009 04:30 PM   [ Ignore ]   [ # 31 ]
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Cool. Please let omegabob know that there is at least one customer waiting for 850 nm for a PS3 Eye.

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Posted: 09 March 2009 04:51 AM   [ Ignore ]   [ # 32 ]
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hi,
If we could find 880 nm(or 850 to 900 ) who fit perfectly in a ps3 eye without cutting with no blurry whould be the best one .. smile

the “no blurry” seems to be the 6 mm but it need to cut more plastic inside the lens no ??? or is it possible to get a thiner one without blurry focus ?

Nico

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Posted: 09 March 2009 01:11 PM   [ Ignore ]   [ # 33 ]
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Hey guys.
Im waiting to here back from Jim (omegabob) on putting the correct filters up on his site, but for now, here is what they are going to be:

11.4mm diameter
4.7mm thickness

This fits perfectly into the lens, without any more additional cutting than the original IR blocking filter removal.  It also fixes the focus perfectly as you can see in this photo using a 850df10 that the glass is perfectly in focus:
850df10_47.jpg
Some of you may think that there really isnt a filter on the camera for the above pic since it the room looks so bright, but the room is actually dark with some low ambient florencent lights behind the camera that dont light up the part of the room that the camera is looking at.  That big glowing thing in the center of the picture is my DSI screen (Endlighten acrylic with 850nm environmentallights.com strips) which is a really good emitter of IR light and blasts the room so bright that you’d think it was day...if you could even see IR light.

Thought Id also throw up a 780df60 filter that is 11.4mm diameter, but 3.7mm or so thickness, thus fits perfectly but doesnt fix the focus.  Pic below shows aixiz 5mw 780nm laser with 120 degree line lens on it:
780df60.jpg

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Posted: 10 March 2009 05:39 AM   [ Ignore ]   [ # 34 ]
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Nice work, I want one, or more, of those. Please tell us when he puts the filters (880 nm, 11.4mm diameter, 4.7mm thickness ) up on his site. Thanks!

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Posted: 11 March 2009 11:52 PM   [ Ignore ]   [ # 35 ]
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They are up. I ordered one and there are three more. They are ebay item 160321068763.

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Posted: 12 March 2009 12:42 AM   [ Ignore ]   [ # 36 ]
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Yeah he has the 850DF20 up but he is going to be putting up a 850DF5 , the difference is that the last number is how much spread around the central wavelength there is.  The smaller the number the better it does at only passing the central wavelength.  Ive put a request in for 850, 780, 880, and 940 nm so should be up as fast as he can get them made.

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Posted: 12 March 2009 05:34 AM   [ Ignore ]   [ # 37 ]
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I’m also interested in one or two 850DF5, if you can recommend it/them for my project.

Is it correct, that the shipping is free even to Germany?

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Posted: 12 March 2009 09:22 AM   [ Ignore ]   [ # 38 ]
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Ah, I’d always wondered what the last number was for. Well, I think I’ll be quite happy with the one I’m getting. The chart still looks pretty tight.

And maybe I’ll try for one of the DF5s when they are out.

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Posted: 14 March 2009 09:04 PM   [ Ignore ]   [ # 39 ]
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Ok, seems that I need a 880-version because I changed my opinion on the LED-strips from environmentlights.com and will instead use the SFH 485 (or SFH 485P). This would be 880DF5, right? And this pretty thing will fit into my PS3Eye and I have nothing more to worry about except removing the IR-filter?

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Posted: 15 March 2009 12:36 AM   [ Ignore ]   [ # 40 ]
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If the filter is the 4.7 mm thick one there is one last thing to worry about. If you screw the less mount back too firmly the filter will come into contact with the glass cover for the camera sensor and most likely break it. I say this because I did that this afternoon! I got another camera and removed the IR and popped in the BP filter and was extra careful will reattaching it. And it works great.

The focus problem is fixed and the IR lights really stand out.

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Posted: 15 March 2009 12:40 AM   [ Ignore ]   [ # 41 ]
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Yup, I guess I assumed that was obvious not to screw it so that you crush the glass over the sensor rasberry
Glad you got it working now Rothrock.

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Posted: 16 March 2009 10:25 AM   [ Ignore ]   [ # 42 ]
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I´m also interested in the 11.4 mm x 4.7 mm filters at 880 nm, for my ps3eye and SFH 485 LEDs grin

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Posted: 20 March 2009 09:53 AM   [ Ignore ]   [ # 43 ]
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[edit[ whoops wrong thread sorry

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Posted: 20 March 2009 10:45 AM   [ Ignore ]   [ # 44 ]
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Hi,

i’m interested by 2or 3 11.4 x4.7 880nm for my ps3eye..

waiting to be available..smile

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Posted: 20 March 2009 02:40 PM   [ Ignore ]   [ # 45 ]
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**Update 3/20/09: Filters for those looking for 850nm or 880nm are available now that will correct the focus when inserted between the CMOS sensor and the stock lens.
DO NOT screw the lens all the way down. Doing so will destroy the glass over the sensor and thus destroy your camera.
You need to just screw it down snuggly so that the filter rests on the sensor glass.
Here is the 850DF10 filter link and its transmission curve.
Here is the 880DF20 filter link and its transmission curve.
Costs $20/ filter + free shipping**

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