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31 votes
Accepted

Zoom window magnification

An alternative solution is to use a Refraction shader. Since this does not require changes to the geometry of the original "image" it can be very easily animated. The key is to be able to control the ...
Rich Sedman's user avatar
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23 votes
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How to automatically fit the camera to objects in the view?

There is an operator to do exactly this. it can be called from Python or accessed from a menu. Select the objects you wish to put in the camera view. View -> Align View -> Align Active Camera ...
ideasman42's user avatar
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22 votes
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Render an object from "all" perspectives

You can use the Curves Extra Objects Add-on to create a spiral and convert this into a Path. A Follow Path constraint and Track To constraint on your camera will then allow your camera to follow the ...
Rich Sedman's user avatar
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21 votes
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Cycles generates distorted depth

Thanks to the Blender dev forum, I figured it out. The Cycles camera is a pinhole model that "uses the distance between a given point and the pinhole as its Z depth". So we cannot apply the depth to ...
aksr's user avatar
  • 701
19 votes
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Rolling shutter effect

Everything in Blender is artificial. (lighting, shading, ...) Blender Cycles has the rolling shutter functionality. Go to the scene settings and enable motion blur. In the Shutter Type, select Top To ...
Leander's user avatar
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17 votes

3x4 camera matrix from blender camera

rfabbri's excellent answer works in many cases but not always. Based on his version I created a new one that (at least in my tests) works in all cases, including portrait and landscape pixel aspect ...
Daniel's user avatar
  • 271
17 votes

Project scene to plane in real-time

As has already been mentioned, the same techniques as used in Zoom Windows Magnification can be used here - but this is very dependent on getting the vector maths correct, which is also critically ...
Rich Sedman's user avatar
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16 votes
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How to make objects in the scene become physically smaller the further they are from the camera?

You can do this by drivers. Right click on Scale X property and Add Driver > Manually Create Later (Single). Go to Graph Editor and switch to Drivers mode. Draw a line like this: (this line will ...
Crantisz's user avatar
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16 votes

Setting up an isometric view

In order to get an exact isometric perspective you shoud actually set as folllows: Here's a comparison between (60,0,45) and (54.736,0,45) rotation: Thanks to blender3darchitect.com: How to create a ...
Rodrigo Carmine's user avatar
15 votes
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View camera boundaries in user perspective?

Another option is to simply scale up the camera object. It doesn't effect the FOV at all. Select the camera, go to the properties panel and Camera > Display > Size. Scale it up until the frustrum ...
3pointedit's user avatar
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15 votes
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How swap views between multiple cameras?

There are multiple different ways. These are only a few. They can also be mixed together. (1).1 Bind the camera to a marker You can do that by binding the camera to a marker on your timeline. You ...
sirjofri's user avatar
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15 votes
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Make an object invisible to a specific camera? (Cycles)

This is possible using Drivers similar to the method described in the answer to How to change world background based on active camera? You should set the Pass Index for each of the Camera objects so ...
Rich Sedman's user avatar
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15 votes
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Camera projection without generating UV's?

The answer to Projecting Texture onto surface from point produced a material that would project an image from an arbitraty point in the scene through a second point and onto the surface. The same ...
Rich Sedman's user avatar
  • 44.9k
14 votes

How can I get the camera's projection matrix?

There is actually a better method than rolling your own code, as shown here: ...
ioquatix's user avatar
  • 241
14 votes

Zoom window magnification

You may do it using the shape keys and a freestyle rendering engine, it demands some experimenting though. Add a plane and texture it with your image (or use Images as Planes add on to do it). Add a ...
Paul Gonet's user avatar
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14 votes
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Different Cameras on different Viewports ? Blender 2.8

In sidebar options (N button) you have to select Use Local Camera and select your camera. See image.
Dormon's user avatar
  • 156
14 votes

Render Multiple Images from Multiple Cameras Simultaneously

From @Rob: It will render all camera object with filename as camera name. Render path should set as a Directory ...
HikariTW's user avatar
  • 7,871
14 votes
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Make an object infinitely far away?

You could make the moon move relative to the camera. Select the camera and ⇧ ShiftS snap the cursor to it. Then add an empty at that position. ⇧ ShiftA Select the moon. ⇧ Shift ...
Leander's user avatar
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14 votes
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How to make fisheye lens for camera

The Cycles render engine allows to use a fisheye lense. Select the active camera and open the Object Data Properties. Set the Type to Panoramic and select either Fisheye Equisolid or Fisheye ...
Robert Gützkow's user avatar
13 votes
Accepted

middle mouse key alternative

You can emulate 3 Button Mouse. Blender 2.7 File > User Preferences... (Cmd + ,) Blender >= 2.8 Edit > Preferences... In the Input tab, check "Emulate 3 Button Mouse". Now, you can ...
parameciostudio's user avatar
12 votes

View camera boundaries in user perspective?

I don't think it's possible as of 2.77, but a quick workaround would be to use Clipping Border to visualize what's visible from camera regarding its field of view angle setup. Enter camera view (...
Mr Zak's user avatar
  • 10.9k
12 votes

Setting camera to position where it can render a seamless repetable orthographic scene

The trick with Orthographic cameras in Blender is that they use a specific scale system, such that 1 Blender unit always matches the largest dimension of the render output. That means if you are ...
Duarte Farrajota Ramos's user avatar
12 votes

How to make objects in the scene become physically smaller the further they are from the camera?

In a more limited usage case, where you are using particle systems, you can use weight paint to create a gradient that controls the size of the rendered objects. The camera in the scene below is an ...
risingfall's user avatar
  • 3,159
12 votes
Accepted

shadow clipped when zoom out ( eevee )

I guess you are using a Sun lamp? Have a look at the Max Distance under the Cascaded Shadow Map.
Jackdaw's user avatar
  • 4,119
12 votes
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Camera Data "View Vector" Interpretation

The View Vector is in Camera space, but the Normal is in World space. You need to transform one of the vectors to the other space if you need to compare them. I learned this now so I mark this ...
Jackdaw's user avatar
  • 4,119
11 votes

How can I get the camera's projection matrix?

Starting from the answer of ioquatix (Thanks), I elaborated a more complete and self-contained solution. The following function takes a camera, a point, and a render, and computes the 2d homogeneous ...
fnunnari's user avatar
  • 195
11 votes

Solve error high with good track?

Playing with track Weight may allow quick solving convergence, while keeping some (all) poor quality tracks. Solve as usual, then run this script into a python console, and then solve again. Desired ...
Stephen Leger's user avatar
11 votes
Accepted

What does focal length mean in Blender?

Focal length is the distance between the lens and the focal point: At focal point the image is sharp and it's the place where the camera sensor is located (or camera film). The Field of View of each ...
Jaroslav Jerryno Novotny's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible