Hello Jack, out of curiosity we always do the RS test also with global shutter cameras. Nothing to be seen with the Komodo X ;-)

Sorry, didn’t see this, but basically what I mean is this: They do rolling shutter strobe tests for non-global shutter cameras. They (and we) take the word of the camera manufacturer that the sensor is global, and so don’t do the same tests if it’s global. My suggestion is do it anyways, and see if there’s differences between cameras, between sensors etc. What if it’s just really, really fast read out, and not empirically a global sensor?

Hi Ravi. The LUMIX GH7 lab test is currently in the making. Thank you! Johnnie

Hello Louie, there is a misunderstanding here. For the latitude test we shoot the forehead of our subject such that the red channel is at the cusp of clipping. This clipping point applies as a combination of F-Stop and shutter and is INDEPENDENT of the ISO used during the shoot! Using different ISO’s will just push this clipping point to higher or lower luma values in the waveform. I know this feels counterintuitive but this is how ISO works. Hence, higher ISO’s lead to overall brighter images and clipping white will also appear brighter, but remember, clipping to white means that the three R, G and B channels show the same value. This can be the case for R=G=B = 10 (dark white) to R=G=B = 255 (very bright) white.

Hey so I thought about this for a while, for the next test of a raw camera, could you do your standard testing and then set the ISO to the highest level and expose your scene for that then start over exposing and bringing it down and see when you hit the limit. Obviously for this test you wont be able to do under exposure tests. So then you do it the other way around where you set the ISO to the lowest value possoble and do some under exposure tests then bring it back up using raw controls. Then compare the results. The real life use case scenario can illustrate the common technique of lighting for a certain ISO to take advantage of the stops of dynamic range in the highlights vs the shadows. Its why people say to shoot at high ISO to preserve highlights, exposing to the right etc. if I am wrong please let me know, because I very well may be, but I think it will be useful information for people who can control a set.

However, the camera does not work as a complete package. No AF, no ND, no second base iso. This means it remains a niche camera.

I hope Nikon makes this camera a real FX6/C400 competitor.

Yea well I think most of these video cameras basically just use digital gain for ISO for the most part anyway these days in camera or otherwise. If you have a dual gain sensor it might use the higher gain circuit at higher ISOs but every other step of ISO is just digital gain (not analog.)

On some Sonys I know you can choose high or low gain circuit and then use any ISO on either circuit. So the term “ISO” has evolved a bit. It’s actually a bit more like the film days. Funny how things come full circle.

Thank you, I must have missed where it said that they used camera raw sliders. My bad

But if you apply exposure to the raw data you are applying it to a 14 bit environment vs after debayer DaVinci works at a maximum of 12-bit working space I thought?