Problem with tilt and swing

[loonatic45414]

I am not sure where people have turned this into a forum on what the OP should do with respect to swing, tilt, etc.

This is about focus, not the posters creative judgement. The solution is to check focus after applying the movement, not before.

Keep in mind there may be some exposure change due to bellows extension with larger swings. You may be better off with a smaller aperture to increase depth of field in this case, or a combination of the two.

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[Lachlan 717]

The solution is to check focus after applying the movement, not before.

How do you know whether you need to apply any movements if you don't check the focus before applying said movements?

Pretty sure your solution is nonsensical.

[loonatic45414]

Okay, once more for the slower of those among us.

Focus.
Apply movements.
Focus again.

Duh.

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[Kevin Crisp]

I was thinking exactly what Vaughn was thinking. A little front tilt and stop down and you won't have to get near f:64.

Very sparing or no movements usually get the job done. People get suckered into using them when they don't need them, possibly by those advertising photos of cameras tied in knots.

[tgtaylor]

Swing is analogous to tilt. For a discussion see http://www.largeformatphotography.in...-to-focus.html and practice.

Thomas

[Lachlan 717]

Okay, once more for the slower of those among us.

Focus.
Apply movements.
Focus again.

Duh.

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So, when you (initially) wrote, "The solution is to check focus after applying the movement, not before" you were incorrect? You'll have to pardon me for being one of the "slower ones amongst us"...

[loonatic45414]

Checking your focus amounts to a final inspection prior to exposure, not the actual act of focusing.

*clearing my throat*

Duh

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[Lachlan 717]

Checking your focus amounts to a final inspection prior to exposure, not the actual act of focusing.

*clearing my throat*

Duh

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That makes it clearer - focus is different to focus, but similar to focus.

Well clarified, sir. Well clarified...

[Thom Bennett]

Swing (or Tilt): Once you determine you need one or the other, focus on the farthest point, then swing (or tilt) in the direction of the nearest point until the far and near points are equally out of focus. Lock the swing (or tilt), refocus and, if you did it right, both points will pop into focus at the same time. The trick is determining when both points are equally out of focus but once you do it a few times it gets surprisingly quick and easy. It's all on the ground glass.

[Vaughn]

Swing (or Tilt): ...The trick is determining when both points are equally out of focus but once you do it a few times it gets surprisingly quick and easy. It's all on the ground glass.

I do this by closing the aperature down while observing those two points (for me, usually the near and far points) on the GG. If they both come into focus at the same time, I figure I am pretty dang close.