If your digital camera is not IR sensitive there are other options than using filters for shooting infrared, including converting your camera into an IR-only digicam.
After modification your camera becomes a dedicated infrared camera and you will not be able to shoot conventional images again. The cost to retrofit the camera is not inexpensive and the camera only records reflected IR radiation; so it’s not a thermal camera in case you want to see how well your home’s windows are sealed.
Once converted the camera will capture infrared images that look similar to images shot with Kodak’s HSI film using a #89B filter (there’s more about filters here) but without the grain/noise. There is no need to place an IR filter on the lens, leaving the viewfinder clear so the camera to be hand held something IR film photographers can only dream about.
Here’s a typical daylight unprocessed (into black and white) exposure shot with my Canon DSLR that was converted for IR capture. I used an inexpensive EF 22-55mm zoom lens with an exposure of 1.125 sec at f/8 and ISO 200.
Interested in infrared photography? LifePixel does a great job with IR conversions. You can get $50 OFF with Priority Processing Upgrade by using coupon code: Farace-IR. Don’t miss out on this soon to expire offer, order your conversion today!
My book The Complete Guide to Digital Infrared Photography is currently out of print but you can get an affordable used copy or not-so-affordable new copies of the book from Amazon.com.