With a good IR illuminator, I suspect you could go further.
They make them for Streamlights and some Maglights. I've used them to light up an entire valley, until the bad guys started using NVG's too.
Amazon product ASIN B000JHQLS4View: https://www.amazon.com/Maglite-Lens-Covert-Cell-Holder/dp/B000JHQLS4
https://www.opticsplanet.com/us-night-vision-blackout-infrared-flashlight-filters.html
It's been years, not sure what works anymore.