Recently, I found a company which will convert a digital camera to an infrared-only camera. Since my original camera was just sitting around collecting dust (displaced by two others), I gave it a try. I'm pleased to say that I'm now hooked on infrared again, and having a much easier time of it. I don't need those opaque filters, I can hand-hold the camera, and the processing is no different from any other digital image. Here are a couple from today:
This is the country's most-photographed lighthouse, Portland Head Light at Fort Williams Park -

This is an early-morning shot -

The blackest skies only appear when the sun is directly behind you -

Yet even on a cloudy day, there's still plenty of infrared to go around:

I'll be going up to Acadia again in early August; can't wait to take my "new" camera with me!