The indoor interview is the most common shoot most creators run, and it is the shoot where wrong camera settings cause the most damage. The damage is invisible on the camera screen and obvious in post when the footage hits the timeline. Flicker from LED panels, motion blur that looks wrong, blown highlights on the subject's forehead, soft focus from a wide aperture in the wrong situation. All of these are setting problems. None of them are camera problems. The fix is the same on every modern mirrorless body.
The frame rate decision is the first one. Standard delivery for YouTube, Instagram, and most client work is 24 frames per second progressive, abbreviated 24p. The number is technically 23.976 on most cameras and that is fine. 24p produces the cinematic motion characteristic that audiences associate with film and high end video. 30p is the alternative and works for news style, corporate, and live event coverage. 60p is for slow motion only and should not be used for the main interview track. Higher frame rates change the look in ways that fight the rest of the production design.
The shutter speed locks to the frame rate using the 180 degree rule. At 24 frames per second the shutter is 1 over 48 of a second, which most cameras round to 1 over 50. At 30 the shutter is 1 over 60. At 60 the shutter is 1 over 120. The rule is not arbitrary. The exposure time produces the natural motion blur the eye expects from moving subjects. Faster shutters produce stuttery, sports broadcast looking motion. Slower shutters smear. The 180 degree rule is one of the few hard rules in video and it applies on every interview shoot.
The aperture choice depends on the talent and the lens. For a single subject interview with a 24 to 70 millimeter lens at the 50 to 70 millimeter end, f 4 to f 5.6 is the working range. Shallower than f 4 produces depth of field so thin that any movement of the subject's head shifts the focus off their eye. Deeper than f 5.6 starts to bring in background detail that should stay soft. For two person interviews on the same focal length, f 5.6 to f 8 is the working range because both subjects need to land in the depth of field if the camera is locked off. The 70 to 200 millimeter lens at the 100 to 135 millimeter mark on a longer setup wants f 4 because the longer focal length already produces shallow depth.
The ISO is the noise lever. Native ISO on the Canon R5 C is 800 in the Cinema RAW Light log mode and 100 in the standard mode. On the Sony FX3 native ISO is 800 and 12,800 in dual base. On the Panasonic GH7 native is 100 and 2000. Working at native ISO produces the cleanest image and the widest dynamic range. Lighting the scene to ISO 800 instead of pushing ISO to 1600 or 3200 to compensate for low light is what produces clean footage. Three point lighting at 1500 to 3000 lumens of key gets the camera to ISO 800 in a normal living room or office.
White balance is set manually, not on auto. Auto white balance shifts during the take when the talent moves their hand or the environment changes. The shift shows up in post as the skin tone drifting between blue and orange. The fix is a custom white balance using a white card or gray card under the actual lighting at the start of the shoot. The R5 C, FX3, and GH7 all support custom white balance from the menu in under 30 seconds. Five thousand six hundred kelvin is the daylight reference. Thirty two hundred kelvin is the tungsten reference. Mixing color temperatures with gels on the lights is fine, but the camera needs to be locked to the dominant color temperature for the take.
The picture profile is the question that depends on the workflow. For run and gun client work where post is light, a Rec 709 standard profile with mid contrast and natural color is the working choice. For higher end client work or any project that needs grading, a log profile such as C Log 2 on Canon, S Log 3 on Sony, or V Log on Panasonic captures more dynamic range at the cost of requiring a grade in post. Log without a grade looks washed out and gray, which is fine in the workflow and not fine on a final delivery.
The audio settings are not technically camera settings but they fail the same way. Twenty four bit at 48 kilohertz is the minimum. Sixteen bit is the consumer setting and produces noticeably worse audio after a noise reduction pass. Headphone monitoring at all times. Levels peaking at minus 12 to minus 18 decibels with no clipping. The on camera microphone is the safety track only. The primary audio is a lavalier or boom into a separate recorder or the camera's external input.
The discipline is to set every value before the talent sits down. The clipboard with the settings written out lives next to the camera. The settings get checked on every reload, every battery change, every location move. The settings drift the moment the camera is touched. The check is what keeps the footage consistent across a six hour shoot.