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| [* black] A quick detour before we proceed to the magnets: we pluck the a7R II's 42.4 MP image sensor from the stabilization system. | |
| [* black] With the CMOS sensor in the wild, we get a clearer view of what's been touted as the [http://www.sony.com/en_us/SCA/company-news/press-releases/sony-electronics/2015/sonys-new-a7r-ii-camera-delivers-innovative-imagin.html?icid=pr-newswire-feed|world's first back-illuminated 35 mm full-frame sensor|new_window=true]. | |
| [* icon_note] According to Sony, the photodiodes on this [http://www.sony.net/Products/di/en-us/products/dkw5/index.html?contentsTop=1#chapter-sec_7/0|new sensor|new_window=true] are much closer to the on-chip lens than in previous designs, allowing it to collect light more efficiently. | |
| + | [* black] The square hole in the sensor's PCB also hints at a tricky assembly process—it's likely a cutout used to accommodate the vacuum nozzle that holds the sensor during assembly, as evidenced by the small patch of scratches at the center of the cutout. [https://d3nevzfk7ii3be.cloudfront.net/igi/6Yrhec2DKklvvXa1|A peek with the X-ray|new_window=true] reveals the array of solder balls that sandwiches the whole thing together when it's done. |