Sitting at the top of Olympus' mirrorless line, the OM-D E-M1 takes one more step towards bridging the gap between mirrorless and DSLR cameras. With both dual phase and contrast autofocus, the E-M1 is compatible with older Four Thirds lenses as well as new lens systems. The autofocus has 37 or 81 autofocus points, depending on which autofocus is used, for sharp, crisp images. The snappy autofocus isn't the only thing that gives the E-M1 a DSLR-like feel, though, the control scheme and magnesium alloy build is also inspired by the larger cameras. An optional grip can take that DSLR feel one step further. Olympus added weather-sealing, making the E-M1 a more durable option for outdoor photos. The E-M1 also features a high definition electronic viewfinder, wi-fi and a tilting touchscreen.