Tag Archives: wide aperture

Rooftop Photography

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Warehouse Rooftop Photograhy

Nothing like being alone on a rooftop shoot, especially when the client is asking for a few creative shots.

Los Angeles Rooftop Skyline

The client hoped to have the Los Angeles skyline as a background to the rooftop system they had installed on this industrial building.  In these two shots the skyline seems close, despite how far away it was.  The 70-200 mm Canon lens is a long lens which compresses the background-bringing it closer in the images.

Rooftop Shot of LA Skyline, Industrial

Industrial Facility Rooftop Photographer

Shot with the Canon 35 mm lens you can see how far away the skyline actually was located.

Rooftop Industrial System

Using the Canon 35 mm 1.4 lens let us grab this creative shot.

What is bokeh?

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Bokeh is the background blurred effect created by being out of focus, using a wide aperture.

This image was taken using a 35mm lens 2.8 aperture.  Notice the trees and the motorcycle headlight are all out of focus, yet the subjects are in clear focus.  That’s the art of getting bokeh by using a wide aperture. Unfortunately, the better the bokeh – the more expensive the lens.

Remember when using a wide open aperture focusing becomes difficult.  The wider the aperture the narrower the focus field.  At 1.2 or 1.4 you’re dealing with inches on a horizontal plane.  Sometimes pinpoint manual focusing is necessary through using Live View – if using Canon 7D.

Practice, practice, practice.