Questions tagged [camera]

The camera is an object which defines a point of view in 3D space for the context of rendering. The camera also has settings for depth of field (DoF) and other effects/settings real cameras have.

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9 views

(Cycles only) Motion blur is not working in cycles but is working in Eevee

I have an issue with motion blur in cycles. I imported this alembic file from houdini and tried to render it with cycles but the motion blur isnt working. I have attached the screenshot of motion ...
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83 views

How to Take different shot's with one camera in different places

I was watching this tutorial online, and i realized that it was using blender 2.79, and what the person did was switching between shots with one camera while animating the camera. However, in blender ...
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693 views

Control Fly Mode With Joystick?

Is it possible to control the camera movements when in fly mode in Cycles with some external device, preferably joystick to get a smooth movement? Instead of using keyboard keys W,D,S,A? Did anybody ...
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608 views

2D- Bounding box around human model with sub meshes and armature

Mast is the entire model, It has sub meshes as can been seen from the figure, like eyes, clothes, but belonging to the same human model. I need to get the mesh of all of that together, so as to draw a ...
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Need WORLD XYZ from Camera x/y/depth

Currently using location_3d_to_region_2d within a script to get the screen-space coordinates of each vertex. I need to do the reverse -- given a Cam and X/Y/depth get X,Y,Z world space. I've ...
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18 views

Viewport and render artifact with distant objects

Using the default scene, if I select everything (cube, camera, lamp) and move everything very far away (say X = 999999, Y = 888888, Z = 777777) from the World Origin, the camera sees and renders the ...
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1answer
448 views

Camera track to constraint in the game engine

I have tracked camera to track a ball. When I move the ball manually, the camera tracks it. But when I apply motion using w,a,s,d keys to move it top, left,down and right, the camera stops tracking ...
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1answer
20 views

Strange transparency change

I have some strange behavior: I want to render (animate) small semi-transparent spheres inside large semi-transparent sphere, but small ones at some point change their color/transparency (see gif). It ...
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Import fbx not working in blender

I exported a model from rhino as a .fbx file and tried opening it up on blender but its not popping up. I tried changing the units to see if that was the problem but it still does not work. I also ...
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1answer
831 views

Help with determining camera specs? Blender Motion Tracking

I have some experience working with Blender's motion tracking capabilities, but have only used cell phone video that happened to be presets in the camera specs dropdown in Blender. I am trying to do ...
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190 views

Fast streaming camera view to video for linux (v4l) system device

What i'm trying to achieve is to stream an arbitrary camera view in blender to a v4l device. What i've done so far After reading the community post about streaming the Eevee view on Windows and linux, ...
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How do I add a background image as a camera lens?

I'm tyring to render some images references for a comic book I am making. After posing my models and props, I will be trying to find the best angle and then I will render an image. In order for me to ...
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6k views

middle mouse key alternative

everything has been great with blender. just one problem at the moment i need sort of alternatives button for middle mouse (the mouse wheel) button for rotating, panning etc. everything that have ...
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31 views

How to render 3D anamorphic panorama with a third perspective view?

is it possible to render 3d anamorphic panorama with a third perspective view in one single movie? I'd like to show the anamorphic motion graphic on the curved glass screen. it should include the ...
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2answers
17k views

3x4 camera matrix from blender camera

In computer vision, the transformation from 3D world coordinates to pixel coordinates is often represented by a 3x4 (3 rows by 4 cols) matrix P as detailed below. Given a camera in Blender, I need ...
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31 views

Unable to set camera to view

Unable to set camera to view I'm not sure if related to updating blender to 2.92, though I'm suddendly unable to set the camera to the view anymore: I store the view: Creating a new camera based on ...
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1answer
21 views

Why is my render is a completely different perspective than what I am seeing through the camera view?

Unfortunately I cannot share the file but here is what's up. I am rendering a car model I made. I positioned the camera to render a front 3/4 shot and it worked just fine. Next, I rotated the model ...
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Is there a way to record your 3dconnexion as your final camera movement? [duplicate]

Beginner question. I've got 3Dconnexion working great and moving all around my model in user perspective. How do I to assign/record those smooth 3dconnexion movements and attach them to my camera so ...
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15 views

How to make a skybox texture visible on orthographic camera?

I'm working on a 2d render and have the camera perspective set to orthographic. I'm using the world shader nodes but every time I look through my camera the texture is just a plain color! I need it to ...
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2answers
3k views

Can I render without the camera?

Ok I really do not like the camera part of rendering. I can easily line up a good looking model without the camera but I keep realizing you need the camera to render into an image file. Is there ...
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37 views

Implement own camera model in Blender

I need to create real-world cameras with Blender. My target workflow is: Use OpenCV to calibrate the camera model Use the results of OpenCV to create the exact same camera in Blender Since Blender ...
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Reset Camera rotation to default in Grease Pencil

I'm new to blender and definitely not a coder. I just need some clarification regarding creating a new hotkey. There is a Grease Pencil Addon, that creates a hot key that allows me to rotate the ...
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89 views

Why does reducing Resolution X increase my camera's FOV and increasing it reduce FOV?

I want to create a square image for an album cover that combines a yet-to-be-taken real world photograph (probably taken with a Sony A7S camera) with some stuff I model in Blender. I want the lighting ...
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1answer
616 views

Custom Bokeh Shapes

I'm trying to make a Bokeh background like this: I've got the Bokeh in blender with a particle system copying a sphere that has an emission modifier. I'm using the depth of field to blur out the ...
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1answer
594 views

How to create a Blender camera to follow real camera in video?

I have recently taken videos with a drone that I would like to edit in Blender. I would like to attach some objects that I have rendered in Blender into the video to simulate what the houses in the ...
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1answer
28 views

I lost an object i have been working on for hours, how do i get it back?

I have been working on a doughnut almost all day, and when I started making a sprinkle, I suddenly lost track of the doughnut, I've been pressing all sorts of buttons so I'm not sure what I did, but ...
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14 views

Active camera reset by render

I have multiple cameras in a scene, like Camera.1 Camera.2 Camera.XYZ. I can set as active camera Camera.1 or Camera.2, (in Outliter or Scene propertions) But if I press F12 to render, as active ...
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374 views

Figuring out FOV and Angle for a Reference? How to use a Reference Image?

I want to start modeling a character from multiple references. The original references are just images of the character and are NOT standard references - which means I should calculate the Angle of ...
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22 views

Camera won't move to new location when animating

Probably a simple solution. When trying to animate the camera between two keyframes, I'm unable to change its position except from the sliders under object transformations in the dopesheet. For ...
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9 views

Render Animation shows blank window [duplicate]

I'm new to blender, I have a table animation but when I go to render, render result is blank. No cameras are blocked in animation tab, all surfaces are on to be rendered. I'm trying to record from one ...
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1answer
368 views

Invisible wall that doesnt appear during modelling, but on rendering

In the blend file attached, I want to render rgb frames at various camera viewpoints. When I render a frame at the camera pose shown in the screenshot (facing the counter), only a white image is ...
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1answer
30 views

Eevee volume scatter movement issue

I have used a cube and applied a principled volume/volume scatter on it. When I render an animation in Eevee with a still camera it renders just fine. But when I apply keyframes to the camera with a ...
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1answer
45 views

How to constraint object to perspective user viewport (Not render camera)

I would like to constraint an object (cube) to the viewport camera, so it will be always in user's field of view. Is it possible with constraints (I didn't find any way) ? I also tried with python to ...
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224 views

Blender 2.8: I can't enter into Fly mode to move the camera

I have a spanish keyboard, so I can't insert the "shift + grave accent" key combination. My keyboard can't insert the "grave accent" character itself.
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21 views

Depth of Field - Visible Lines on Distance Change

As the distance of my Depth of Field effect changes (EEVEE), visible lines are drawn across the objects on which the effect is happening. These lines are the 'thresholds', I presume, between different ...
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1answer
197 views

Navigation tools in 2.8 not working

When Im in blender 2.8 I click the tools at the top (the hand and the zoom tool) and they do nothing! I know how to scroll to use them but they don't work. I will build and stuff and then like 5 ...
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1answer
159 views

how to get camera exactly like in the z perspective view [duplicate]

I'm making a text animation,in which in the end i want the camera to look exactly like when i look through the Z perspective view(numpad 7), so that the text seems 2d in the end. how do i make the ...
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20 views

3D Trading Card Image: Show different camera view on 3D object

I try to create a trading card in Blender, that has an image with a 3D 'parralax' effect, when rotating the card. I found one quite similar example: https://www.reddit.com/r/pokemon/comments/kwi22k/...
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2answers
39 views

get the line of sight vector with nodes

I would like to make a material that displays the line of sight vector using the RGB channels : for example, here, let's say i am looking from the camera, the line of sight vector would be : →E(X=0; Y=...
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3answers
2k views

Is there a way to get the dimensions of the camera?

I want to know the width and the height of my camera in blender-units. Therefore I've written a small script: ...
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1answer
32 views

How to calculate what percentage of the area of an object appears in the render view?

Take the pictures below as an example, I want to calculate how much of the jersey number on the tshirt of the human model is visible on the render view. In the first case the jersey number is totally ...
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14 views

What I should put on Sensor Width when I tracking the Camera?

I am tracking the camera on a scene but I don't know which is the Sensor Width. I recorded the scene with a Xiaomi Redmi Note 9 Pro, but when I search about cellphone's sensor width; it give that the ...
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2answers
103 views

How to replicate a Laowa 24mm Probe lens in Blender cameras?

I've replicated plenty of lenses, MM, f/stop, etc. Its all pretty straight forward but this one has me baffled. I've adjusted the camera scale but that doesn't work either. Anyone ever tried to mimic ...
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104 views

Which 3 points are best to get a good floor? (Motion tracking)

When I set the floor of my tracking scene, I have to select 3 points to use. However, I noticed that the orientation changes depending on which 3 points I pick. I always thought it didn't matter. But ...
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18 views

Which keyframes A and B should I pick when tracking a circular motion?

I'm trying to track a videoclip where the camera moves around an object M in a circular motion. I added a picture to make it clear what I mean. Since the camera is constantly turning, and tracking ...
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2answers
389 views

View of my Blender file is completely messed up and I cannot seem to fix it

It seems like I am only able to centre my zoom around the camera and no longer with the object I've made. I can't even really zoom in that far at all anymore either. This is my first time trying to ...
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1answer
17 views

SHIFT + ` or SHIFT + ~ No longer works to controll camera with WASD?

So normally I manage my camera animations by pressing SHIFT + ` and this usually works fine but I cannot get it to work can anyone help
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1answer
28 views

What is the sensor width of an iPhone 11? I need it for motion tracking [closed]

I recently filmed a video with the iPhone 11 and I'm having trouble finding the sensor width needed for motion tracking. I have found online it uses a 1/2.55 sensor width which blender actually offers ...
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11 views

2 point perspective? [duplicate]

I saw that this was asked before, but that was a number of years ago on earlier versions of blender... I'm hoping there might be an easier way to do this by now? Is there a way to set your camera to ...
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1answer
210 views

How do I fix the camera roll to its parent object? Blender 2.8

I have a space ship that follows a path across my scene with a few cameras to record it. One camera I would like to use for a sort of point of view effect when the ship enters a barrel roll, however, ...

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