Re: Summer/winter film speeds

[PeteScherm@xxxxxxx]

In a message dated 7/23/00 7:58:30 PM Eastern Daylight Time, 
owner-infrared-digest@xxxxx writes:

<< There is stronger IR light during the summer, simply because of the 
 fact that you are closer to the light source-the sun. >>

That's true, if you are in Argentina.  But in the Northern hemisphere, the 
earth is closest to the sun in the wintertime.  The colder temperatures are 
partly due to the more indirect angle of the sun, not its distance from earth.

Pete Schermerhorn, in the glorious Berkshire hills of western Massachusetts
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