Mitakon 42.5mm f/1.2 Review at Photographyblog.
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Photographyblog (Click here) posted the full review of the [shoplink 51695 ebay]Zhongyi Mitakon 42.5mm f/1.2[/shoplink] MFT lens and writes:
In terms of image quality, the lens creates some nice bokeh effects when shooting wide open at f/1.2, creating an attractive dreamy look, but you really need to stop down to f/4 to get critically sharp results in the centre of the frame, with the edges slightly worse. This lack of sharpness may actually be a plus-point for portrait shooters who want a more romantic look – just make sure that the image quality fits your particular bill. Chromatic aberrations are commendably almost completely absent, but vignetting is pretty bad at f/1.2, not disappearing completely until f/4.
Overall PB prefers the similar priced [shoplink 51696 ebay]Olympus 45mm f/1.8 lens[/shoplink] unless you really need the faster aperture.
You can buy the lens on [shoplink 51695 ebay]eBay (Click here)[/shoplink].