The Sony A7S II had a lot to live up to considering low light performance and it has so far been exceptional. But the question about slow motion quality lingered as to a new Spec of 1080p 120fps would perform compared to the previous 720p 120fps and to regular 1080p 60 video. New video tests have surfaced that show how good and or limited the new slow motion spec is on this camera. Many will be satisfied with just the 4k video at astounding levels of ISO which short of the Canon ME20F-SH with 4 million ISO it is the best second option with more resolution at a Max ISO of 409,600.
The Slow motion spec seems to be somewhat limited in quality compared to normal video on the Sony A7S II with a reported 20Mbit/sec for 120fps which is the 100Mbit/sec camera spec stretched 5x to playback at 24p. 20 Mbit is’t that bad considering it is 1080p and the artifacts are well controlled. There are some here and there including some compression macro-blocks if you search for them but for the vast majority of users the camera has a very good slow motion mode built in; albeit at 120fps as it will go no further up the frame rate scale.
Canon Japan has released a sample video showing the Canon ME20F-SH Super High ISO full frame multipurpose camera in action. It is impressive to see ISOs as high as on a camera that is as portable as this. Even with a high price of $30k US it is something news gathering and documentary outfits like Nat Geo and Discovery will gravitate to in order to extract new levels of color and light information from extremely challenging low illumination environments.
Filmmakers will also find it useful for shooting in extreme low light for a specific take, but we feel that scientists and biologists in particular will benefit most from these advancements. Underwater videography is probably the most peculiar use to study bio luminescent organisms in complete darkness like never before.
The newly announced Canon ME20F-SH Camera besides it’s overly unpronounceable name and a price tag of $30,000 USD has what could be a record for any sensor to date. The ISO 4 million mark on this camera/sensor is able to record footage in full color at night. It over exposes footage only lit by a full moon. The Sony A7s last year was a revelation of where sensor technology is going with it’s close to 1/2 million ISO at 409,600 . It could shoot in near complete darkness and could do a good job at it. What Canon has done with the ME20F-SH is build their peak sensor technology into a 35mm Full Frame Sensor but with only 1080p Full HD resolution. The Sony A7s can shoot 4k footage with the HDMI output on an external recorder. This makes the pixel size on the Sony more constrained even with a Full Frame Sensor.
The pixel pitch size on the Sony A7s (12MP on a full frame CMOS Sensor) is around 8.4 µm; in contrast the new Canon ME20F-SH has a 19 µm pixel size in a Full Frame Sensor. This is an amazing performer in low light and probably the most sensitive sensor ever made for commercial purposes. At 2.26 Megapixels this is the state of the art for large pixels with impressive dynamic range and low light. It is unclear how the low resolution in such a large sensor will behave when it comes to moire and aliasing artifacts.
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