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.
All around best camera: Canon G7X. If thereâs one camera that stands out as the ultimate YouTuber camera, it is hands down the Canon G7X. Used by the likes of Philip DeFranco, Fun For Louis, and iJustine, the compact camera is far stronger than what youâd think.