Hi Leon,
 I know that is the "norm" with rainbows, but I had one at high noon once.
It was a very flat bow. Just happen to snap a pic of it.
 I also had one that didn`t reach the ground because it was very early in
the morning, it was a slight double.
Steve Larson
Redondo Beach, California


 
> Technical bits about rainbows
> 
> Rainbows are formed at an angle of 42 degrees at your view point, from
> the angle of the sun's rays (facing away from the sun).  If you want to
> photograph a full semi circle rainbow you will need a lens with an
> angle of view of atleast 84 degrees (if you happen to be lucky enough
> to see a double rainbow you will need a 102 degree lens - double
> rainbows form at an angle of 51 degrees).  You will also only see a
> full semi circle rainbow at or near sunrise or sunset.  As a point of
> reference a 28 mm lens has a horizontal angle of view of 65 degrees (75
> degrees corner to corner).
> 
> 
>  Leon
> 
> http://www.bluering.org.au
> http://www.bluering.org.au/leon
> 
> 

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