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It depends on the Sensor Size of the camera Short answer: If you didn't scale your gizmo (object's scale = 1,1,1) you can se the formula: Canvas distance = Focal Length / Sensor Size Explanation Like … as the focal length: If you use a custom Sensor Size, the plane distance from POV is the ratio between the Focal length and the Sensor Size: Zdepth = Scale*Focal Length/Sensor Size Blender's default camera …

Use Local Camera Ther's a feature called Local Camera that allows you to specify a camera per viewport. You can find it in the N bar under view. Just specify the camera for each viewport. … To enable the feature in 2.79 you must disable the lock local camera and layers toggle in the header (see cursor position below). …

Incorrect perspective reconstruction Your reconstructed camera in the blendfile has different orientation from the one used in the source image. … The narrow focal lenght of the camera is not helping either in hiding the little differences. Here's my reconstruction in fSpy: And here the reconstruction of the scene. …

Gizmos visibility You have somehow disabled the gizmos visibility, you can simply re-enable it by pressing the button in the bar:

Move on Local Axis You should double tap the Z key in order to move the camera in its local axis. So the key sequence is G, Z, Z again. …

60° Orthographic camera projects rays that are perpendicular to its plane. The length of a projected segment can be calculated using trigonometry. … The more the camera starts to face the horizon, the shorter the projection will be. …

might have directly controlled the Size parameter of the Blur node itself: In the Graph editor, under the Driver editor type, you can easily set up a Distance Driver Type and pick the two objects (camera …

But as I marked in bold, 60° is the projected angle, that means that is the result of the transformation of the camera and should be not used straightfoward as input for the X rotation. … Relying instead on the the math that's describing the camera orientation for such type of projection, we discover that the real X rotation is give by the formula: X rotation = 90°-arctan(sin 45°) = 90 …

That said, using this kind of constraint will allow you to avoid the flipping of the camera. Here's an example of usage: …

Disable Hidden Wires You may accidentally enabled the Hidden Wires Option in the Shading section of the the Property bar. Because the mesh is composed by a single N-gon, there are no other wires t …

With the mentioned add-on, that you can freely download, you are able to match the camera look starting from a bunch of grease pencil layers. … After that you can start the camera calibration with the button on the left, and you'll get the focal length value automatically applied to the active camera. …

But you can make the light from the sides reaching the camera in the old way: make a hole in the ship and bend the rays by 90° (with a mirror). …

In some way... yes! Cameras (real&virtual) stores the incoming light information in pixel. When you save your images to an output format you are basically saving a matrix of values. There are file f …

Animate a single camera Parent your camera to an empty placed in the rotation pivot point. Now the camera should follow the rotation of his parent object using its origin as pivot. … Note: if it is suitable for your scene, you can also think about rotating the object(s), instead of the camera. …