Bridge Framework

Black And White Photography, David Jensen, Photography

BridgeFramework

Architectural objects have always attracted me because of their use of geometry. The collection of lines and shapes creates intersections, which I believe are the starting points for art. Where things meet, tension occurs. Where the combination of the objects come together, be they lines, shapes or texture, something new now exists.
The attached image is the result of focus stacking, three images focused at different points along the structure and merged in Photoshop. Shot with Canon 7D, Tamron 60mm f/2 lens, ISO 100, f/4.0, using aperture priority.

12 thoughts on “Bridge Framework”

  5. LB's avatar

    Now help me understand, David … I’ve not heard of this. Why would you use this technique as opposed to just taking the one shot of the bridge (I too love the structural supports of bridges).

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    1. Northern Visions Media's avatar

      There are a couple of ways to answer your question. If you have adequate lighting, you could choose to do this in one shot, but even then, depending on the camera and lens, you may experience focus falloff along a longer object. By using focus stacking, I can use an appropriate f stop for the available light and be sure that the focus will be correct in the locations I choose. When I shot the girder, the day was heavy overcast. Getting good depth of field was an issue with the lens open as far as it was.
      Consider a scenario where you have multiple objects in the shot and you want each object to be tack sharp. Using a tripod, you focus on each object, then merge the images. You will end up with an image where everything is in focus.

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  8. Joe's avatar

    Very nice image David and focus stacking is an interesting technique. I might have to talk about this with my Friday posts on my other blog. Very well done.

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