Hi. I've only ever used non I.R. for the last 25 years. (that's just made me feel old!) However, I put a Walther 3-9x50 30mm I.R. on a lamping outfit recently and have found it very handy. So long as I keep it on it's lowest setting, it really does make picking up my target a good deal faster in low light, or with a lamp. On it's higher settings, it is far too bright. All I can see is a red or green glare (depending on colour setting). It's a case of try it and see if you like it, I s'pose. Works for me, but then having said that, I'm still happy to use my 'old style' scopes under the same con