Although Nikon 3100D DSLR is nearly

Although Nikon 3100D DSLR are nearly similar in functions there are some differences between them as well. Of course Canon 7d is a new arrival in the market. Resolution of Canon 7d is 18.1 MP CMOS where 5d has 21.1 MP CMOS. Some factors are better in Canon 7d than 5d. Canon 7d provides better continuous shooting capacity, auto focusing, view finding capability, wireless flash controlling, video sound, metering and on camera flash. Factors including sensor, sensitivity range, dimension and body are more preferable in Canon 5d. For both of Canon 7d and 5d Shutter durability, LCD size and Live streaming are quite same. Nevertheless, Canon 7d is becoming more popular day by day at least taking the price in concern.