Re: A scope for installing PIR?

["John O" <johno@#no^spam&heathkit.com>]

>> I need some help from you pros. I'm staring at an assessment question
>> that says something like this: "when installing a motion sensor in an
>> odd-shaped room, scope the perimeter and eliminate obstructions."
>>
> close one eye and don't move your head is a approximation of what your PIR
> will 'see', unless your have a 'hallway lens' on it.

Now that's what I would do, too. At one time I had a pretty good eye for
selecting the proper lens for my Canon A-1. But, does someone sell a 'scope
a room' tool?

-John O