The Blog: See what
Sigma is saying.

05.16.2012

Translating an interior space into a two dimensional rendering presents the photographer with unique challenges… furnishings arrangement, lighting and not least among them, keeping the vertical walls parallel. Historically the latter was controlled by shooting the scene with a view camera. The back was positioned parallel with the vertical plane of the walls. Then the lens was shifted up to fill the frame. Simple. Sort of. Modern tilt-shift lenses mimic the moves of a view camera allowing the verticals to remain straight from top to bottom. Rooms whose walls are falling away isn’t attractive. Funhouse maybe. Compelling? No way.

©2012 Kevin Ames

If you don’t happen to have a super wide tilt/shift lens, there’s an easy workaround. It involved using Sigma’s 12-24mm f/4.5-5.6 DG HSM ultra wide angle zoom lens on a full frame camera. At 12mm, the lens has a 121º angle of view. It’s also really rectilinear.

My process for solving this issue is super simple. First I choose the angle of view. With the ultra wide 12mm to 24mm Sigma zoom lens (set to 12mm) on my camera; I center the bubble on my tripod’s leveling base. Then I level the ball head itself. I clip the camera into the head. Finally I use the center column to finish the composition. ©2012 Kevin Ames

Once the camera is level; the vertical lines will be parallel. I love that even at 12mm, this lens has almost no distortion even at the edges. The door frame on the left is less than a foot from the front of the lens. The superimposed grid shows a tiny amount of barrel distortion. The rest of the grid lines up perfectly with the verticals in the doors, walls, reception window and even the pattern of the wallpaper! ©2012 Kevin Ames

All that’s left is to crop the photograph to minimize the ceiling and eliminate the distracting door frame edge. ©2012 Kevin Ames

Here’s another example of shooting level for cropping. First the full view… ©2012 Kevin Ames

By the way, if you shoot a cropped sensor camera, Sigma’s amazing 8-16mm ultra wide delivers a 121º angle of view. It’s rectilinear too!

If you are curious about the tripod I use check out http://www.reallyrightstuff.com then click the Tripods & Monopods link.

Facebook comments:

No Comment.

Add Your Comment