Re: bellows extension in The Hole

Well, you realize that autocollimation can make you go blind, don't you?

On Dec 2, 2005, at 7:17 PM, Shannon Stoney wrote:

>> Richard Knoppow wrote on 12/2/05, 3:19 PM:
>>
>> > If there is no really distant object to use one can focus
>> > a lens exactly at infintity by autocollimation.
>>
>> I just can't resist this one. If you're taking photographs, you can
>> "usually" find some distant objects. I say usually because there are
>> rare exceptions. When I was in solitary confinement in Federal
>> Prison,
>> there was simply no way to find a distant object within the 5x8 cell.
>> Had I known about it, I could have passed my time contemplating
>> "autocollimation." ;^)
>
>
> You have hit on my exact problem. I was taking a picture inside
> an old prison cell in the Walls Unit in Huntsville, TX (in the 19th
> century building). ( I saw the "hole" there, by the way. It was a
> closet (as you may know). It was smaller than 5x8. I took a
> picture of it, and that one turned out fine. ) Anyway, back to the
> cell. I was trying to take a picture of the sink and toilet, right
> next to each other. Evidently I over-adjusted for bellows extension
> in the tight spaces there, and the print was way over exposed. But
> I think now I understand why: i was using expodev wrong.
>
> I should have been contemplating autocollimation. Sounds like
> something that might be sin in Catholicism, as well as within the
> Texas Dept of Corrections system.
>
> Solidarity forever.
>
> --shannon
>
>
Received on Fri Dec 2 19:17:26 2005