Questions tagged [motion-blur]

Motion blur "results when the image being recorded changes during the recording of a single exposure, due to rapid movement or long exposure." The can be caused by either the camera or objects in the scene moving. Blender can add motion blur to animation renders by comparing the position of objects in sequential frames. Use this tag for questions about Blender's motion blur rendering option.

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How to add vector blur for particles produced by Mantaflow?

I'll briefly explain my setup here: I am trying to render an animation including sand movement produced by a falling object. I have made the simulation using mantaflow as a source for the particle ...
Mehdi Belhous's user avatar
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125 views

How can I add motion blur to a pre-rendered (existing) video clip?

I have some videos recorded at 48fps (which is to say, I'm not exporting objects modeled in Blender, so general motion blur tutorials I've found don't apply) and want to use the "inbetween" ...
47948201's user avatar
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One frame with smearing motion blur

I have got a fully baked liquid simulation but when rendering i encounter one frame that takes 2 hours to render and had an ugly motion blur smear from movement that the water sim doesn't have in the ...
gijs laukens's user avatar
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best way to ruin motion blur with gometry nodes

this ones a weird one, i have noticed that some geometry nodes modifiers like realize instances tend to make the object motion blur disappear on some frames, but it's very inconsistent. surprisingly, ...
Walter's user avatar
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Motion blur makes whole scene completely blurred

I followed a tutorial from "Blender Made Easy" of a stormy ocean scene https://www.youtube.com/watch?v=oysCSbhXYBo&t=2s&ab_channel=BlenderMadeEasy When I render the animation, the ...
Mark O'Sullivan's user avatar
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65 views

Strange Cycles Area Light artifact when using Motion Blur in animation

I've discovered a strange Cycles artifact when using Area Lights in combination with Motion Blur in an animation. Per the attached screenshot, two astronauts are at the windows of a moving spacecraft. ...
WilburPost's user avatar
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Motion blur not apply on every frame

as you can see motion blur is not apply on frame 29(left image), and apply on frame 30 (right image) it does happen randomly on the following frame, i am using particle system that i export to alambic ...
FiDIO's user avatar
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Random rectangles 'missing' when rendering with optix + motion blur

When I render a scene that uses motion blur with optix, there are randomly rectangles/sections where it skips straight to the background. Its random and only exists in some frames, and does not appear ...
Diana G's user avatar
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Alternative to motion blur for deformed objects?

The documentation for Cycles in Blender 2.79 is very explicit about deformation motion blurs: An object modifier setup that changes mesh topology over time can not render deformation motion blur ...
wherezyurheadat's user avatar
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2 answers
74 views

Product Render RGB Lightning Setup

Does someone know how to make this RGB lightning blur on a fan in Blender? Or you suppose to do it in another software? Does it have to do something with motion blur setup? Thank you in advance:-)
ShyCookie's user avatar
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Render time increasing exponentially each frame

I’m trying to render out a complicated scene, with motion blur, depth of field, volumetrics and lot of vertices. When rendering image sequence, the render time drastically increases from frame to ...
Lukas's user avatar
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Why are objects which are stationary with respect to the camera motion-blurred?

Why is everything blurred? My camera is a child of the vehicle illustrated below, and is travelling at the same speed, so why is there so much motion blur on the whole vehicle, instead of just the ...
jerry jenkins's user avatar
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Is there a way to include material color changes in motion blur?

In both Eevee and Cycles, changes to the material color are not rendering in the motion blur. For example, if there is a moving cube that is red on frame 1, and keyframed to transition to blue on ...
Mentalist's user avatar
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Motion blur with vector in compositor

I'm trying to follow along this tutorial here. It's a simple tutorial where the instructor ends up adding motion blur on a blue monkey, but without using the "motion blur" in Render ...
nammerkage's user avatar
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Can Cycles' Vector Pass + Vector Blur node be used to create "smear" (instead of motion blur)?

Can the Cycles Vector Pass in conjunction with the Vector Blur compositor node be used to create "smear" instead of motion blur? To be clear, by "smear" I mean this sort of ...
Mentalist's user avatar
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Artifact with Lights and Motion Blur

I came here with this issue because i cant find any sources online that address this, in this clip there is a spaceship, more specifically a tie fighter moving at different speeds throughout the ...
Storm Beatz's user avatar
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Help with collections, compositing, and masking

I'm not sure what I need to use, collections, compositing, masking or something else. I want my final render to include two objects. One object has motion blur. The other object is the same dimensions,...
Paul St George's user avatar
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I followed Blender Made Easy's tutorial and rendered this first frame and it's blurry as heck

I followed the Blender Tutorial - Creating a Stormy Ocean by Blender Made Easy, rendered the first frame and it's blurry as heck. A photographer said that, in photography, motion = blurry. But the ...
Shakaama's user avatar
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Motion blur (not) on specific objects (Blender 3.3)

I'm trying to achieve some particle motion blur for a graphic I'm designing. Using cycles in v3.3, which comes with various blur options. I want to be able to control the blurring of different objects,...
Mr G's user avatar
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Fast Shutter Speed Effect / Shutter Angle (aka "Saving Private Ryan" effect)

Can anyone think of a way to approach creating a high speed shutter effect in Blender? In film when you want that jerky action motion you can increase the speed of your shutter, thereby decreasing ...
Glen Candle's user avatar
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Is motion blur possible for grease pencil objects?

I have some grease pencil line art and have a camera move across it. Is motion blur possible for the grease pencil strokes?
jais's user avatar
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Motion blur glitching out on random frames

I am making a scene with a character spinning something around at high speed but for some reason when I use the motion blur located in the render properties This happens But it is supposed to stay ...
A guest's user avatar
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1 answer
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How to use new Blender 3.2 volumetric motion blur [closed]

So I did a simple volumetric animation (animated using map node) , but when I render the image I can't see any motion blur. I used cycles and enabled motion blur in the render settings and made the ...
Blender starter's user avatar
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Motion Blur not working for newly imported SVGs

I returned to an older project because client needed a revision. Originally I had 2 imported SVG files of some typogaphy and those blur fine, but when I returned a month later and needed to update the ...
user138372's user avatar
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Motion Blur keeps causing weird artifacts and making items dissapear

Enabling motion blur causes weird artifacts and making some planes disappear for a single frame. Video Render without motion blur : https://i.stack.imgur.com/LKZFl.jpg | Video Render with motion blur ...
2Fleur2's user avatar
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Motion blur is affecting non-moving parts

Without Motion Blur With Motion Blur The elements in the foreground are stationary. Link to blend: https://drive.google.com/file/d/15RwIEsUxgMJDbkD29R1llmPtU81jgVCA/view?usp=sharing
Alec piy's user avatar
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2 answers
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How to fix shaky frames that appear when rendering with motion blur?

When I render my animation without motion blur it looks the following: But when I render it with motion blur it comes with weird appearing frames: I noticed that the frames that don't appear as they ...
samuel gast's user avatar
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303 views

Motion Blur artifacts keep appearing in some of my frames, even when I don’t move erratically

I am currently using cycles on Blender 3.0, and as for camera animation, I actually use motion data from my phone. Now, for some reason, in my renders, I keep getting weird, unusual motion blur ...
SuddahBruh's user avatar
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3k views

How to set up a good motion blur and shutter speed

So here's my problem, I recently moved on Blender, and I'm currently learning it (I mean, I know how to animate and stuff, but I need to learn it using Blender). So, I would like to get a good render ...
KoFFTLY's user avatar
1 vote
1 answer
671 views

Lower motion blur for some objects?

I want to know, how to lower motion blur for some objects in an animation. Camera is moving so fast, its making an object too blurry to tell what it is.
yua's user avatar
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Particle Systems + Motion blur on causes GPU memory issue

Blender version 2.93.3 GPU: GTX 3080 RAM: 32 GBS CPU 9700k Rendering in Optix+Motion blur on causes the error "Failed to build OptiX acceleration structure" and "System is out of GPU ...
John's user avatar
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0 answers
141 views

Adding Motion Blur to a Plane

I have a simple scene in which the camera is moving backwards away from the stage over the "crowd". The crowd is being represented by a plane with Voronoi Texture and Color Ramp nodes. My ...
atkaizer's user avatar
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2 votes
1 answer
124 views

Blur differences between camera move vs object move?

I'm planning for a larger animation. And in this animation there will be a lot of camera travel. Now I wonder what's best. Should I move the static scene and the objects or the camera? Does it differ ...
Peter's user avatar
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Models Twitching Randomly (Render Only)

SOLUTION: w/ thanks to Rich Sedman: The use of the array modifier was the cause. Since it used very large values to cover a large area, it essentially created huge meshes, which are difficult for ...
Candle's user avatar
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207 views

How to apply Motion Blur to objects in Cycles?

I am wanting to apply Motion Blur but seems like I can get the blur only on the car. I am wanting to apply motion blur on the rendered background with no blur to the car except the wheels (to show the ...
Alex Oliver's user avatar
2 votes
2 answers
160 views

Auto Update Render Window on motion blur properties change?

Is it possible to have the render view update automatically instead of pressing manually F12 every time as I change motion blur effect properties? This is concerning Render view only and has nothing ...
Paul G.'s user avatar
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0 answers
262 views

how to adjust motion blur to background in cycles blender

Creating video using image sequence. I want to express the speed using motion blur. For example, add strong motion blurs to wheels and backgrounds and add a little less to the main object. What can I ...
Hyeon JEONG's user avatar
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1 answer
47 views

Rendering frames off sequence

Okay so the gist is, I'm rendering an animation in Eevee with motion blur, the problem with that is whenever I make a jump cut, the 2 transition frames get blurred, so I re-render those 2 without ...
Lodemor's user avatar
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1 answer
442 views

Motion blur compositor

Motion blur in compositor doesn't blur poles. It is not the fault of the material because base of the pole has the same material and it is blurring just fine.
Zinek's user avatar
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426 views

Use volume float vector velocity field for motion blur in Vector pass

I simulated a pyro sim in houdini that generated three vector field (vel.x, vel.y, vel.z) and then merged them into one velocity field that I exported to a vdb. I applied a basic shader to the volume ...
Phönix 64's user avatar
4 votes
2 answers
427 views

How to script the motion blur shutter curve?

I am trying to script the motion blur shutter curve (image below) for each frame of a render. I want to control the "openness" of the shutter curve with a list of values between 0 and 1. ...
onb's user avatar
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0 votes
1 answer
303 views

Motion Blur in EEVEE creating strange artifacts

I'm new to Blender and I've been practicing some simple animation. When I render out an animation EEVEE random frames through the animation gets this issue. When I turn of motion blur I get no such ...
Conner Bentley's user avatar
1 vote
2 answers
3k 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 ...
enentee's user avatar
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2 votes
1 answer
601 views

Motion Blur problems with wheels and Rigacar

I am currently trying to learn how to use rigacar to create a scene of a car racing through the tunnel. I am having issues when I try to add motion blur to the wheels. With no motion blur, the wheels ...
Chris Howe's user avatar
1 vote
1 answer
176 views

Anti Aliasing Issue with Wireframe modifier

New blender user here - loving it so far. I'm running into an anti aliasing issue on a wireframe modifier object during render. Here is a breakdown and what’s happening: I added a wireframe modifier ...
Jaychill's user avatar
2 votes
1 answer
1k views

Blender Motion Blur deactivation for certain objects doesn´t work

if I have set Motion Blur for rendering and deactivate it for a certain object in the object properties, the object is still blurred. The scene is a tracking shot from behind towards a boat that is ...
VICUBE Animation's user avatar
2 votes
1 answer
1k views

Get vdb motion blur in blender (from embergen)

I made a basic fire and smoke simulation in embergen and exported it as a vdb sequence (with the velocity data). When I put it into blender I get three velocity float values instead of one float ...
Nathan Ghali's user avatar
1 vote
0 answers
183 views

Motion blur interfering with animation and camera

Motion blur is doing something wierd. I like to create my animations all in one file and all in one render. That means when I switch the cameras and characters to a new location every time I do a new ...
GibThom's user avatar
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1 answer
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How do I get my -Project from View- image back in Blender v2.83? [duplicate]

We're doing a Motion Tracking project in class and we had to use Project From View for the UV on the building we intend to create the VFX meteor explosion, but when I went back into the Blender v2.83 ...
Crystal Kaulbars's user avatar
1 vote
0 answers
500 views

Edges look wrong when compositing layers with blur and transparency

I'm trying to composite layers from an animation I made with Blender in After Effects. The problem I'm running into is that the motion-blurred edges are either receding, or becoming discolored, ...
user115543's user avatar