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How to Plan Shot Blocking — A Foundation That Stops On-Set Confusion

"Let's just put it together on the day." Inexperienced sets burn entire hours doing exactly that. Shot blocking isn't art — it's engineering. In what order do you place the subject, the camera and the lights so the picture never falls apart? Here is the mental model that experienced cinematographers run through in their heads, broken down so you can use it from your first shoot.

There Is a Correct Order

People argue endlessly — start from the camera, start from the lights, start from the subject. Across locations and studios alike, exactly one order actually holds up:

  1. First, decide the subject's position and direction
  2. Then, decide the camera position from how you want to see them
  3. Finally, build the lighting around what the camera can see

Reverse the order and you're stuck. Camera first means later moving it because the subject's natural orientation contradicts it. Lighting first means re-rigging every time the camera moves. Subject first is the fastest path, every time.

Step 1: Subject Position and Direction

Place the subject (person, object) where it would naturally be. The sofa for an interview. A product the right distance from a complementary background. Only three variables really matter at this point:

  • Distance from background: Move away to throw the background out of focus; come closer to feature it. At least 1m of separation usually adds dimension.
  • Subject orientation (front-on / 45° / profile): Front-on reads as strong or confrontational. 45° is the most natural. Profile is for action and explicit profile-look scenes.
  • Relationships between multiple subjects: For a two-person interview, don't have them facing each other — angle them slightly inward so both faces still fall toward camera.

Step 2: Camera Position

With the subject set, work backwards from "what does this shot need to say" to find the camera.

Distance (shot size)

Want emotion? Get close (bust shot to close-up). Want situation? Pull back (long to full shot). Distance is the combination of physical position and lens focal length. See Focal Length Guide for the full breakdown.

Height (camera height)

Eye-level reads as "equal." Above the eye-line makes the subject look weaker (the viewer looks down). Below the eye-line makes them look stronger (the viewer looks up). See 12 Camera Angles Explained.

Angle (position relative to subject)

Head-on is explanatory or confrontational. 45° feels most natural and "present in the conversation." Straight side is strong, deliberate.

Step 3: Light Placement

Only now do you build the lighting. The reason: how light falls relative to the camera determines the picture, not the abstract geometry of the room.

  • Key: Place 30–45° from camera to subject's left or right.
  • Fill: Opposite side from the key, to lift the shadows.
  • Back: Separates the subject from the background. For video, essentially mandatory.

For the full breakdown see Three-Point Lighting.

The Three Most Common Mistakes

Mistake 1: Deciding by distance alone

"Let's stand 3m away." But the same distance with a different focal length is a completely different shot. Distance × focal length = picture. Decide both together.

Mistake 2: Lighting before camera

You'll move the lights every time the camera moves. Subject → camera → lights. Hold the order.

Mistake 3: Ignoring the 180° rule

For a two-person dialogue, coverage that has both subjects facing the same direction confuses the viewer. Don't cross the imaginary line that runs between them.

Why Pre-Planning Blocking Pays Off

Figuring out blocking on the day versus arriving with everything resolved in advance is a 3× productivity gap.

  • The gear list locks in (you know which lights and lenses you actually need)
  • You can pre-agree the look with the client (no "this isn't what I imagined" surprises on set)
  • Everyone arrives with the same picture in their head

Shot Planner exists for exactly this — to place subject, camera and lights in 3D before the shoot and share the result by URL. Try the tour.

Summary

  • Hold the order: subject → camera → lighting
  • Camera is a function of distance × height × angle
  • Light is placed against the camera's view, not the room geometry
  • Pre-visualised blocking is the single biggest lever on shoot-day productivity