4 Sets of Achromatic DoubletsDispersion is a common optical phenomenon especially in fast lenses 4 sets of Achromatic Doublets are used in 90mm f125 lens to significantly improves the chromatic aberration and the resolution performance presenting excellen
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First Choice for PortraitCloseup BeautyThe angle of view is 27 degreesIt highlights the main body while avoiding the suffocating sense of space compression caused by super telephoto lens
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Smooth Bokeh with Fast F125 Maximum ApertureExtremely fast f125 maximum aperture affords notable control over depth of field for selective focus shootingand also benefits handheld shooting in difficult lighting conditions The smooth transition between the
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A Clicked Aperture RingThe aperture ring is stepped with the right amount of resistance and clickmaking on full stops from f125 to f16
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Adequate for meidum format cameraThere is a little bit of vignetting when mounted on medium format camerasFujiHasselblad
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