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.
Machu Picchu: the highest resolution image ever taken. With a resolution of 15.9 gigapixels, this picture is thought to be the highest definition photo of Machu Picchu ever taken. The photographer is Jeff Cremer, the photo tour director of Rainforest Expeditions.