assuming i spelt squewing right.

I was about to upload a couple of scans to demonstrate the one frame higher
than the other effect i've noticed from the Sputnik and then check another
image and it seemed to be fine.

Now on guess of what happens is as the film advances its pullled slightly
more at the top and produceds a slight squew.

Is just me?

M

> assuming i spelt squewing right.
>
> I was about to upload a couple of scans to demonstrate the one frame higher
> than the other effect i've noticed from the Sputnik and then check another
> image and it seemed to be fine.
>
> Now on guess of what happens is as the film advances its pullled slightly
> more at the top and produceds a slight squew.
>
> Is just me?
>
> M

How are you taking your images? Are they on a tripod with a level or
have you attached a level to the camera?

I've noticed it, too, but I've always just assumed that it was just
because most of the time when I've used my sputnik, I handheld it
without a level attached. But it never bothered me too much because
the small difference is always correctable in mounting the slide.

--
-Timothy
http://frumiousboojum.deviantart.com

>> I was about to upload a couple of scans to demonstrate the one frame
>> higher
>> than the other effect i've noticed from the Sputnik and then check
>> another
>> image and it seemed to be fine.
>
> How are you taking your images? Are they on a tripod with a level or
> have you attached a level to the camera?

Tim, your question is irrelevant. Tilting the camera does NOT result in one
image higher than the other.

George Themelis

>> I was about to upload a couple of scans to demonstrate the one
>> frame higher than the other effect i've noticed from the
>> Sputnik and then check another image and it seemed to be fine.
>>
>> Now on guess of what happens is as the film advances its
>> pullled slightly more at the top and produces a slight squew.
>> M
>

I agree with George that tilting the camera will not produce the
effect that I think you are describing (vertical misalignment where
one image is simply higher than the other). I believe that a skew in
the film path would cause a slight rotation in each image as well as
the vertical shift, although the image might be more or less
correctable by shifting the film chips up or down relative to each
other and ignoring the subtle rotation unless there is an obvious
horizon tilt.

Anyway, even with a straight film path, a slight vertical
misalignment is common in many stereo cameras, including some of my
Realists. My Baskin-ized Sputnik does have a slight vertical
misalignment as well, easily compensated for in mounting. But
definitely there.

What puzzles me is that I would expect such vertical misalignment to
be fairly constant, although perhaps if the film is not perfectly
flat it might vary a bit? Or perhaps the closeness or distance of
the "foreground" might make a difference in how noticable and/or
problematic such a mismatch would be? Or maybe it really is a effect
from variable filmpath skew that you are seeing. -Linda