To focus using autofocus with manual override (M/A): Slide the lens focus-mode switch to M/A. If desired, autofocus can be over-ridden by rotating the lens focus ring while the shutter-release button is pressed halfway (or, if the camera is equipped with an AF-ON button, while the AF-ON button is pressed). To refocus using autofocus, press the shutter-release button halfway or press the AF-ON button again.The fast maximum aperture of f/1.8 performs brilliantly under any lighting conditions and delivers beautiful, natural background blur that brings out the best in any subject. Compatible Format(s) – FX, DX, FX in DX Crop Mode, 35mm Film.
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Fast aperture medium telephoto lens
Internal focus, focal length: 85 mm, minimum focus range: 0.80 m
Silent wave motor (SWM). Number of diaphragm blades:7 (rounded diaphragm opening)
M/a focus mode switch. Filter-attachment size is 67 mm (p=0.75 mm)
Nikon super integrated coating (sic)
85mm Fixed Lens, Maximum Reproduction Ratio 0.12 x