slit width experiments

[Ron Klein <panorama@xxxxxxx>]

> The film in my camera isn't getting enough light..... so this wouldn't
work!  Anyone played with Cirkut slit widths?

Clayton:

I have done modest experimentation with changing the slit width.  I took a
#10 that had a 1/4 inch slit and changed it to 3/8 inch with only a very
slight loss of sharpness.  In the other direction, I have reduced the slit
width to 1/8 inch and had much sharper images, but indeed banding became a
noticeable problem.

If you are trying to shoot photos in low light conditions, it would be much
better to have a longer exposure time rather than a wider slit.  The
electric motor combo that I am playing with currently has four speeds that
are 1/6, 1/3, 3/4, and 1 and 3/4 seconds.  Odd combinations, but they seem
to give me everything I need for low light shooting.  If I need faster
speeds for groups, I can reduce the slit to 1/8 inch wide and get 1/15
second.  If you need more details about the new cirkut motor I have
designed, feel free to write me a separate email note.

Ron Klein
panorama@xxxxxxx