Sony A7r with Contax G 28mm Biogon Test Shots

sony a7r contax g 28mm

Manhattan from Brooklyn


We are still learning which lenses play well with the Sony A7r and we found one that's not so friendly. The Contax G 28mm f/2.8 Biogon, shown in our previous post, is a non-retrofocus rangefinder lens which means that the rear of the lens is closer to the film plane or sensor. This causes the light at the edges to hit the Sony's A7r full frame sensor at oblique angles which results in color casts. This happens with the Leica M9 and M240 but is corrected with in-camera with software. The color cast can also be corrected with CornerFix or Light Room's Flat Field Plug-in, discussed by Tobinators here. We did not correct the images here for color cast.

Apart from the color cast, the Contax G 28mm Biogon performed well. We love the sharpness, contrast, and color the lens and the Sony A7r sensor delivers. Most of the shots are at f/5.6 or f/8 as we tried for the sweet spot of the lens. The A7r was set to Aperture Priority as there was plenty of light to keep a fast shutter speed.

sony a7r contax g 28mm

Anchored


sony a7r contax g 28mm

Manhattan Blue Bridge


sony a7r contax g 28mm

Green Clock


sony a7r contax g 28mm

Men At Work




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