1 Proterozoic: this eon refers to the time from the lower Cambrian boundary, 541.0 Â± 1.0 Ma, back through 2500 Ma. 2  As originally used, it was a synonym for Precambrian and hence included everything prior to the Cambrian boundary.
Canon's 50-megapixel EOS 5DS is the highest-resolution full-frame DSLR ever. If you thought the megapixel wars were over, think again: Canon's latest DSLRs cram just over 50 of them into a full-frame sensor.
DSC-HX1 This model becomes first digital still camera to feature sweep 224-degree panorama technology. It is also the company's first Cyber-shot camera to use the G lens and Exmor CMOS sensor technology. This technology allows it to achieve speeds of 10 frames per second in continuous burst mode.