I think all are traveling slit once over the sync speed.
C.H.Ling
Winsor Crosby wrote:
>
Of course, traveling slits distort moving objects. Horizontally
moving slits will lengthen horizontally moving objects in one
direction and shorten them in the other. That is not too disturbing
compared to the twist given to a vertically moving object. I am not
sure about vertical shutters. Are they not multiple metal blade
mechanisms, not a traveling slit?
--
Winsor Crosby
> Long Beach, California
If they are then you will get some rather weird looking distortion
when taking pictures of horizontally moving things like race cars.
For example, taking a picture of a moving bus from the side, as the
slit moves down and the bus moves to the right, the bottom of the bus
will at one place in the frame, but by the time the slit gets to the
bottom the top of the bus will have progressed in its movement.
Instead of getting a rectangular bus it will look more like a
parallelogram, more or less depending on the speeds.
--
Winsor Crosby
Long Beach, California
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