SLR Gear, an offshoot website of the Imaging Resource, one of the web's most-trusted resources for all things digital photography, has just posted an in-depth review of the new Fuji 56mm f1.2 Fujinon lens, which is just the latest in Fuji's ever-expanding lineup of -mount lenses.
So, how does it do in practice? Short answer: very well.
Optically, the lens is really good. In terms of sharpness, the lens is good across the entire frame right from the get-go at f1.2, an amazing feat. The lens does sharpen a little when stopped down to f2.8 but, beyond that, there's no real difference until diffraction until around f16, minimum aperture, which is when diffraction starts to set in, albeit only to a small extent, as in comparable to wide-open aperture. As for chromatic aberration, vignetting, and distortion, all are very well controlled and should not present any real problems
Mechanically, the lens uses all-metal construction and AF is via a focus by way of a 'DC Coreless Motor,' which produces quiet, though by no means silent, AF. Focus is controlled by a focus-by-wire system, which means that there is no AF/MF switch as this function is controlled on the camera. In addition to the MF ring, there is an old-fashioned aperture ring on the rear barrel of the lens, too.
If there is any gripe at all, price could be the only concern as the lens retails for around $1,000 but by reading the above, at least you do get what you pay for.
Overall conclusion: praise at the highest level.
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