Guessing the power

[RedCowboy]

You don't see brighter beams in the fog ??? You must not get very dense fog, around here it's an intense difference, like a room filled by a fog machine, have you ever used a fog machine ?

I'll put it this way, when looking at how well different lenses focus far field I can better see the spherical aberrations more clearly on a foggy night than a clear night, around here on a foggy night the beam won't make a spot on distant tree stands because lighting the beam through the fog eats up all the power, and when it's really foggy I can't see distant tree stands, but it is a significant difference in the visible beam brightness.

It can be so bright that the beam is hard to look at as it's so intense.

 

[paul1598419]

The fog around here makes it difficult to see across the street. Still, it didn't help much with making any of my beams that much more visible. I was quite surprised to see it had little effect over a clear night. Now it is just raining out. Seems like it will be for awhile.

 

[RedCowboy]

Here's an old video I made and it's nothing special but you can see how just a little smoke makes a difference in beam visibility.......maybe your normal air quality is poor or something ?

 

[paul1598419]

Yeah, I used to smoke indoors and noticed the difference when I quit doing that. The fog here can be quite dense, but it hasn't worked well for making the beam more visible. I think I have a couple of photos I took that will show this. I'll have to look for them later, and if I find them, I will post a couple here to show you.