Reddit reviews NEEWER 72mm IR760 Infra-Red Filter for Camera Lens with 72mm Filter Thread
We found 2 Reddit comments about NEEWER 72mm IR760 Infra-Red Filter for Camera Lens with 72mm Filter Thread. Here are the top ones, ranked by their Reddit score.
Infrared FilterMaterial: high quality optical glassSize: 72mmIR76 passes infrared rays above 76nm
You can build your own IR headtracker for cheap (less than $50 total). You can find hardware plans here (if you don't have access to a 3d printer directly you can find people online to print it for you, or you can google around for other home built options), you can buy a PS3Eye camera on Amazon along with an IR Filter, and the OpenTrack software is free. The hardware assembly is simple enough to do with no soldering (I recommend you do solder if you know how) and the OpenTrack software is very easy to configure.
Would something like this work?
https://www.amazon.com/NEEWER%C2%AE-Infra-Red-Filter-Camera-Thread/dp/B003TY4YWE/ref=sr_1_6?keywords=infrared+filter&qid=1570733431&sr=8-6
https://www.amazon.com/Lee-Filters-87C-Infrared-Polyester/dp/B00FWGFC2S/ref=sr_1_5?keywords=infrared+filter&qid=1570733431&sr=8-5
also, while it's a bit harder to find these days, I THINK you can used developed color photo film as a DIY stand-in. I