SL2-S ver5.2.0. with M lens ISO setting

[takar]

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Hello everyone. 

I am using summicron M 50mm with SL2-S (firmware v5.2.0) via L adapter M. 

Shutter speed can be changed in 1/3EV increments, but ISO can only be changed in 1EV increments. 

I heard that in ver3.0 it is now possible to change the ISO every 1/3EV, so please tell me how to set it.

 

P.S: I use it for still images. I know that you can set the ISO in 1/3EV increments for videos.

[jaapv]

There is no real need to change ISO in smaller increments than 1 EV. Exposure has quite a bit of latitude on a digital camera - and you couldn't buy films in less than 1EV ISO steps either.

[takar]

5 hours ago, jaapv said:

ISO を 1 EV より小さい増分で変更する必要は実際にはありません。デジタル カメラでは露出にかなりの自由度があり、1EV ISO ステップ未満のフィルムを購入することはできません。

I know that in practice it is not necessary to control ISO in less than 1EV steps.
However, since I have been able to control SS and ISO in 1/3 EV steps with the camera system I have been using, I would like to do the same with the SL2-S.
My question is, "Which settings do I need to control to enable the ISO control per 1/3EV that is included in ver 3.0?" .

Press_Release_SL-System_Firmware_Update_May_2022.pdf