You can apply a LUT for color work in DaVinci Resolve 12.5 as follows. First, download S-Log2 LUTs from the Sony website and save them in the LUT folder, because DaVinci Resolve 12.5 only includes S-Log3 LUTs.
Download 3D LUTs for DaVinci Resolve
S-Gamut/S-Log2
S-Gamut 3.Cine/S-Log3
Whether you are applying a LUT to grade standard footage or using LUTs to bring color back to Log footage, you can do so easily in Premiere Pro using the Color. Added new updated format LUTS, Orange & Teal versions of all LUTs, Cine4, Slog2 & Slog3. Added Gamma Curves and Roll Off together with Sony DELUTS Primary Master Gamut.
Clean Enhanced LUTs for Sony SLOG2 and SLOG3. SLOG to Rec709 LUT. Use with Corporate, Interviews, Professional, Sports, Music, Food and many more. FS7, A7S, FS700.
This LUT features a deep cinema look that enhances warm tones while muting and adjusting all other colors to comlement skin tones, really makes skin tones POP! Tribe LUT File Tribe LUT for Sony SLog2.
Procedure
Start DaVinci Resolve 12.5 and make sure the Project Manager screen is displayed.
Click [New Project] and open a new project with a name of your choice.
When the [Media] page is displayed, import your material.
In the volumes listed in the upper left, select a folder with material to import. Clip thumbnails are shown once the material has been imported.
Sony A7iii Luts Slog3
Drag clips to the [Media Pool] area.
If the frame rate of a clip you drop does not match the project frame rate, a frame rate conversion window is displayed. Click [Change] to adjust the frame rate of imported material to match your project.
Open the [Edit] page.
Slog3 Lut
In the toolbar, select [File] > [New Timeline]. A window opens. For your new timeline, decide details such as [Start Timecode] and [Timeline Name].
Clear the selected [Empty Timeline] check box, and then click [Create]. All clips in the [Media Pool] area are arranged on the timeline.
Open the [Color] page.
Right-click one of the clip thumbnails in the middle of the screen and choose a LUT from [3D LUT].
Click the [Project Settings] icon in the lower right. In the window that opens, click [Open LUT Folder] in [Color Management]. Save the LUTs you will use in this LUT folder.
Sony Luts For Premiere
Here, use the S-Log2 LUTs you downloaded initially. Click [Update Lists]. You can now select the LUTs from [3D LUT].
Slog 2 Lut
In actual editing, you may need to adjust the contrast before applying a LUT. In this case, go ahead and adjust the contrast before applying the LUT. With the LUT applied and your clip shown in colors for a Rec. 709 screen, you can now color grade it as you imagined it.