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FORUMS Photography Talk by Genre Transportation Talk 
Thread started 02 Jul 2010 (Friday) 16:25
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Panning, parallax question

 
jdando
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Jul 02, 2010 16:25 |  #1

After bumping into the "parallax effect" while doing some panning shots a few weeks ago click here

I am thinking is the effect of blurring at the front/rear of the car increased because the car is not traveling at a constant speed? Or is it more of a factor of just not panning at the speed of the car?

Thanks.


Jeremy
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rigshots
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Jul 02, 2010 17:32 |  #2

jdando wrote in post #10468157 (external link)
After bumping into the "parallax effect" while doing some panning shots a few weeks ago click here

I am thinking is the effect of blurring at the front/rear of the car increased because the car is not traveling at a constant speed? Or is it more of a factor of just not panning at the speed of the car?

Thanks.

Neither.

The longer the lens and the higher the shutter speed the lesser the effect.

You HAVE to pan smoothly with the car, but, the car will change it's shape in the frame DURING THE EXPOSURE, hence the effect you see. Think about a 1, 3 or 5 second pan exposure and how the car will change it's shape in the frame during that time. The same thing happens at 1/60th, just to a lesser extent. If you are panning smoothly with the front of the car then the effect is potentially lessened there but it still exists else where in the frame. Or maybe the driver is sharp and the front or rear of the car are fuzzy, that's due to how well you've tracked the car with your panning (clearly you've kept the driver in the same part of the frame during your pan/exposure in this example).

You see it much less with longer lenses as the cars shape changes much less during the exposure.

JJ




  
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PhotosGuy
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Jul 03, 2010 15:05 |  #3

And don't forget that results are also affected by the distance & speed of the car, so exact results can be difficult to replicate.


FrankC - 20D, RAW, Manual everything...
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FlyingPhotog
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Jul 04, 2010 03:24 |  #4

I run into it all the time shooting front 3/4 views of prop planes taking off...

Sucks but not much you can do short of utterly freezing the prop and we all know what that gets you!


Jay
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PhotosGuy
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Jul 07, 2010 10:49 |  #5

The longer the lens and the higher the shutter speed the lesser the effect.

I posted this thread over the weekend.
Trucks OTR.
I was fairly close & mostly at about 70mm. For these shots, I like having the back end blurred to give a sense of motion.


FrankC - 20D, RAW, Manual everything...
Classic Carz, Racing, Air Show, Flowers.
Find the light... A few Car Lighting Tips, and MOVE YOUR FEET!
Have you thought about making your own book? // Need an exposure crutch?
New Image Size Limits: Image must not exceed 1600 pixels on any side.

  
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Panning, parallax question
FORUMS Photography Talk by Genre Transportation Talk 
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