How to shoot a wall?


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a-z0-9

New Member
Dec 1, 2006
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#1
Wanted to shoot a plain white wall, tried program, auto,
and semi-auto modes, all do not seem to work. The camera
seems not able to focus on the wall. How to do it?
My camera is Canon EOS400d. Thanks!
 

jmmtn4aj

Senior Member
Jan 1, 2007
994
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Singapore
flickr.com
#2
Put a flat object against the wall, an object that you can focus with, like a painting or drawing. Focus on that, then remove it. Use a grey card to measure exposure :)
 

paradigm

Senior Member
Aug 12, 2004
3,672
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#3
Wanted to shoot a plain white wall, tried program, auto,
and semi-auto modes, all do not seem to work. The camera
seems not able to focus on the wall. How to do it?
My camera is Canon EOS400d. Thanks!
A plain white wall does not have contrast, tt's why cannot auto-focus ... got nothing to do w the modes or the camera ...

usually I will focus at the edge of the walls and then shift-focus ...
 

cantaresg

New Member
Feb 23, 2007
765
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Woodlands
#5
Usually I'd just manual focus or look for a spot that has sufficient contrast to focus and recompose. Anyone tried using focus assist with flash? Can it focus that way?
 

lizzy

New Member
Dec 26, 2004
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#6
i think it is quite difficult to manual focus on a plain white wall...
 

catchlights

Moderator
Staff member
Sep 27, 2004
21,903
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Punggol, Singapore
www.foto-u.com
#7
tape a piece of new paper on the wall to help you focus, once focus lock, remove the paper.
for A mode, or P mode, dial +2EV and make your exposure
 

Pablo

Senior Member
Sep 1, 2004
1,854
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Blue/Green Planet
#8
Lean a broom or mop (household item) against the wall, focus on that, then remove the broom (or mop). :)
 

Red Rush

New Member
Jan 26, 2006
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#9
use a laser pointer - point at the wall and focus on the spot/point.

works for just about any low-contrast scene - except for perhaps a wall of red, laser-pointer sort of intense light (for which you probably will go blind from the effort...!)
 

MDZ2

New Member
Feb 23, 2005
306
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Eastern Part
#10
Usually I'd just manual focus or look for a spot that has sufficient contrast to focus and recompose. Anyone tried using focus assist with flash? Can it focus that way?
Yup, with my old F90 + SB26 setup, taking a plain wall with focus assist beam worked like a charm.
 

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