You can scan the film at a 1:1 ratio to overlay the other images, or
you can just blow up the images to 16x20, or print it as a contact
print for archiving and reference on future sweeps.
If I can get a camera into the phone room early in the sweep I will
use the prints as a working document that I can write on as I check
each and every wire or connection that may effect the area I am
inspecting. This way I can creating a working document based on the
pictures and record my notes and comments in real time right on the
paper. Basically the prints get used to create an inspection chart
that you can use for not just this sweep but also for future sweeps.
I do the same thing with the insides of the phone instruments to
supplement the actual measurements made with other instruments. The
tough thing is that most sweeps do not warrant this attention to
detail, so a digital camera can be used in these cases when the big
sheets of film would be prohibited.
My experience is the older, messier, or more chaotic the wiring
blocks are the more you really want to get the large photographs
taken and printed.
A skilled TSCM person or photographer can bring the camera into the
wiring rooms or server rooms concealed inside something along with
some compact strobes mounted right to the lens board. The camera can
be pre-focused for either 24 or 30 inches, and you just use a ruler
to ensure the correct distances instead of focusing. You also use a
really tight aperture, and a whole lot of flash.
-jma
At 01:52 PM 12/19/2008, Eric Schmiedl wrote:
>James M. Atkinson wrote:
>
> > This is also on a per person basis for an engineer; half this amount
> > for a technician, surveyor, or architect; and a quarter this amount
> > for non-technical (non PI) people (ie: electrician, plumber, HVAC,
> > trades, scribe, photographer, truck driver, painter, lumpers, etc),
> > and an eighth this amount for PI or security person (although most
> > PIs can qualify as photographers and scribes if they play their
> > skills right, and being able to work a 8*10 camera and darkroom is
> > more important then a digital camera.
>
>Speaking as a photographer, what on earth would a TSCM specialist need
>an 8x10 camera for?
>
>Even high-end architectural photographers these days generally use
>either digtal SLRs (and software perspective correction) or medium
>format digital backs attached to miniature view-camera-esque bodies.
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Received on Sat Mar 02 2024 - 00:57:22 CST