References / Lenses & camera heights
Same scene, 50 mm
The same crate, figure and door at 50 mm, framed the same size: the natural view.

Open in the Perspective Box GeneratorDownload PNGLesson: Perspective Basics: Horizon, Vanishing Points and Terms
What to look at
Vanishing points further apart; convergence is gentle.
To frame the crate the same size the camera moved back to 7 m, which flattens the gaps between objects.
This is roughly what the eye sees when it attends to one thing.
The camera
| Lens | 50 mm on full frame |
| Camera height | 1.6 m above the floor (standing) |
| Rotation | 32° to the scene's axes |
| Tilt | level (verticals stay vertical) |
| Objects | box 1 × 1 × 1 m · figure 1.75 m · box 0.9 × 0.1 × 2.1 m |
| Floor | 1 m squares |
Open the reference in the tool to move the camera, change the lens, or add your own objects at real sizes; the share link keeps your version. Draw over the PNG at 30–50% opacity in any app with layers.