1.Improvement of AF speed on most existing XF lenses.
The updated algorithm will enable AF speed to become faster with the following XF lenses:
XF60mmF2.4 R Macro
XF18-55mmF2.8-4 R LM OIS.
2."Focus Peak Highlight" function for manual focusing is added. The function, which features on FUJIFILM X100S and X20, is added and assists accurate and sensitive manual focusing by enhancing the outline of your subject in high contrast.
3.Improvement of the method to switch magnification during manual focusing. Press the "Command dial" to activate image magnification during manual focusing and then turning the dial in either right or left direction will enable you to alternate the magnification of 3 times and 10 times.
4.Improvement of focus accuracy in various scenes. The focus detection algorithm is improved to provide more accurate focus for low contrast subjects and scenes containing horizontal stripes.
At the same time, Fujifilm has also added an additional its lens roadmap, creating a new category. These "XC" lenses are " 'compact and casual' lenses and are perfectly suited to the mid-range X-M1 compact system camera. They feature all-glass elements and are lightweight and portable."
The X-M1 launched with the XC16-50mm F3.5-5.6 OIS (24-76mm equivalent)., and the new lens is the XC50-230mm F4.5-6.7 OIS (75-350mm equivalent), which will be available by the end of the year.