This is a manual lens. You can only use the lens in "M" manual exposure mode or "A" aperture-priority mode</br>Designed to produce beautiful background blur?? ideal for portraits and natural images</br>10 lens elements in 7 groups of high index?? low-dispersion multi-coated HD optical glass</br>All-metal body standard lens with f/1.8 maximum aperture and internal focus</br>Lens hood?? caps?? pouch and 5 year warranty included</br></br>Product Description</br></br><b>This is a manual lens. It works on both " frame" cameras as well as the "APS-C" style digital SLR cameras. You can only use the lens in "M" manual exposure mode or "A" aperture-priority mode.</b><br><br> A highly practical medium telephoto lens with superb delineation and portability?? the Opteka 85mm lens produces sharp and clear images at all apertures. Employing a re-designed optical system that includes Opteka's exclusive HD super multi coating?? the 85mm f/1.8 inherits its predecessor's ultra-fast f/1.8 maximum aperture and rounded six-blade diaphragm for superior depth-of-field control and background blur (bokeh). Engineered to inspire new levels of creativity and artistry?? the Opteka 85mm f/1.8 will unleash the full potential of your digital camera in the studio or in the field. And because the front lens group does not rotate during focusing?? special filter effects are not affected. Best of all?? the standard zoom lens with its natural angle of view and perspective?? captures the subject plainly?? making it excellent for portraits and images that require a natural depth of field.<br><br> One of