EVA1: New Master Information Thread for the EVA1

calebmg said:
Mitch, will it be possible to take RAW stills with the EVA1? Along the same lines, would it be possible to have it record a specific # of frames over a period time (essentially an intervalometer)? It seems to have all the capabilities needed for this kind functionality and given it's form factor, it could really work well for timelapses in situations where it isn't ideal to carry an additional camera body just for RAW time-lapsing.
Click to expand...

No stills capabilities planned.
 
I'm trying to understand the difference in quality for recording normal frame rate 2K/1080p footage given the 2 relevant sensor options. If was recording 1080p at 23.98 would I be better off recording with the 5.7K Full Sensor or the 2.8K Mix? It seems the codec/bitrate is the same either way.
 
The 2,8K Mix doesn't use as many sensor pixel for the resulting HD footage, but the rolling shutter is faster with less than 1/120s.
If recording HD only, I'd use 2,8K Mix.
 
Starting with S35 5.7K means that every photosite is fully scanned and processed before being downscaled to HD. It is the best quality possible from the camera, but it also tops out at 60p.

Starting at S35 Mix2.8K means that every photosite is scanned, but then they are averaged to turn 5.7K to 2.8K for simple processing, and then that 2.8K is best downscaled to HD. There's still considerable sampling available to go from 2.8K to HD, and in fact that's basically how the Alexa works. For most shooting the difference is indistinguishable, but on high detail subjects it may be possible to detect differences in side-by-side comparison. This mode will allow the camera to get up to 120p.

4/3 Mix 2.2K does the same as S35 Mix2.8K, except that it first crops the sensor from 5.7K resolution to 4.5K resolution. The 4.5K is averaged to 2.2K and then downscaled to HD. That level of sampling is less than the others but it is not uncommon. In fact one camera that comes to mind that did the same sensor to format scale was the Sony F3. This mode will allow the camera to get up to 240p.
 
Mitch Gross said:
Starting with S35 5.7K means that every photosite is fully scanned and processed before being downscaled to HD. It is the best quality possible from the camera, but it also tops out at 60p.

Starting at S35 Mix2.8K means that every photosite is scanned, but then they are averaged to turn 5.7K to 2.8K for simple processing, and then that 2.8K is best downscaled to HD. There's still considerable sampling available to go from 2.8K to HD, and in fact that's basically how the Alexa works. For most shooting the difference is indistinguishable, but on high detail subjects it may be possible to detect differences in side-by-side comparison. This mode will allow the camera to get up to 120p.

4/3 Mix 2.2K does the same as S35 Mix2.8K, except that it first crops the sensor from 5.7K resolution to 4.5K resolution. The 4.5K is averaged to 2.2K and then downscaled to HD. That level of sampling is less than the others but it is not uncommon. In fact one camera that comes to mind that did the same sensor to format scale was the Sony F3. This mode will allow the camera to get up to 240p.
Click to expand...

Thank you!
 
Hi Mitch, any possibility that full 2.8k resolution could be recorded in 2.8k mode? It's good when shooting slowmo 2x anamorphic on the EVA-1 (having to shave off the sides).
 
You must log in or register to reply here.
Back
Top