The ZD 25mm f/2.8 is a tiny lens. Coupled to an E-4xx series Olympus body, one has a DSLR combination approaching the size of digital compacts. In this comparison, I'll be comparing the bokeh from the ZD lens on an E-420 to that from Canon 50mm f/1.4 lens on a 5D. In other words, I'll be comparing the way the two lenses render out-of-focus, blurry areas when used on their respective camera bodies. This is not a sharpness test, nor is it a test of colors and/or contrast. I used Lightroom for the 5D files and Olympus Master for the E-420 files. The 5D images were downsized to 10MP using Photoshop Bicubic Sharper. Then all files from both cameras were downsized to 25% image size using Bicubic Sharper, and Olympus files were slightly cropped to match the 5D aspect ratio. I used a fixed tripod to match perspective for all comparisons and attempted to match exposure with manual settings.
Amin Sabet
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