[pure-silver] Re: CAMERA MOVEMENTS!! was: Depth of Field (35mm vs. 4x5 or 8x10)

At 09:52 AM 10/29/2004, Ken Hough wrote:


>WHAT IS GOING ON HERE!!!!
>Not one of anyones answers has addressed CAMERA MOVEMENTS!
>Thats what LF is all about. Shoot with large as you can F stops and
>camera movements. Come on folks! Use them DO NOT rely on tiny f
>stops.
>Ken


That's great as long as your subject is on one plane. If you extend DOF in 
one direction (horizontal plane) with camera movements, you lose equal DOF 
on the opposite (vertical) plane. You still need a small f/stop to cover it 
all.

Landscapes of flat fields, roads, stuff like that is great for getting DOF 
from your feet to infinity using camera movements. Put a few trees or a 
fence reasonably close to the camera, in the scene, and you cannot use 
camera movements to cover the needed DOF. This is why LF lenses frequently 
go to f/128.

You can use a multitude of camera movements to gain a wee bit of DOF 
advantage when you have multiple planes in the scene. But small f/stops are 
still going to carry the ball in these cases.

I frequently photograph large flat seascapes with DOF from my feet to 
infinity at f/8 or f/11 on my 4x5. But there is no vertical component. Just 
a rock sticking up a few feet anywhere near the camera and most is lost. 
You can reach a happy medium and then start stopping down until it all 
comes in focus. This puts you back at f/32 or f/45.

:-)

Jim 

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