[Leica] Bat Bending Strength: The Ted Gran Effect? - FRANK

[Jim Nichols]

Seems as plausible as any.

Jim Nichols
Tullahoma, TN USA

On 5/10/2015 2:33 PM, Philippe wrote:
> contrary to mechanical shutters where the slit is either vertical or horizontal, e-shutters act like BOTH vertical and horizontal curtains at the same time - they record points, not lines
> they scan one line after the other
> at the next line, ultra fast objects have actually moved one block further
>
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> ChronophotograPhilippe
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>> On Sun, May 10, 2015 at 11:11 AM, Frank Filippone <red735i at verizon.net>
>> wrote:
>>
>>> You are overthinking the solution.
>>>
>>> A vertically moving shutter, at 1/1800 ( usually this starts around 1/125
>>> of
>>> a second, depending on the camera) of a second uses a SLIT to allow light
>>> to
>>> reach the "film".  So the bottom of the film and the top are actually
>>> exposed at different times.
>>>
>>> Marry that fact with a fast horizontally moving subject, and you get
>>> ovalized race car wheels, elongated race cars with funny angles in them,
>>> and
>>> baseball bats that bend.
>>>
>>> In the past, with horizontally moving shutters ( Film Leicas for example)
>>> the effect was quite common and exciting.
>>>
>>> I guess the "Kids" around here have never photos from the 30's and before (
>>> think Speed Graphics, which did have a vertically moving slit shutter) with
>>> the same effect.
>>>
>>> Nothing is really new, just new to the beholder.
>>>
>>> Frank Filippone, showing his age.....
>>> Red735i at verizon.net
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