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.
From the folks who built Android. The best all-around camera we've ever put into a Nexus. But where it really shines is in conditions with less-than-ideal lighting. The larger 1.55Î¼m pixels capture more light even in the dimmest conditions to produce stunning details and sharp images.