Questions tagged [camera]

A device used to capture still images.

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9 views

Camera work with huge scenes on after effects

So i'm currently working on a dynamic art work that has a large scene, approximately 1480 x 2940. It's a vertical scene comprised of 3 sections stitched together vertically. Think of it like a large ...
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10 views

Is it possible to stich multiple videos together for HDR?

Hey :) I got a strange question: I´m currently working on building a GUI for the Raspberry-HQ-Camera and noticed that it is possible to record up to 3 videos at the same time. So my question is if ...
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After Effects - Green Screen - Subject Was Filmed Using Different Lens Than Background Image

My subject was filmed in front of a green screen using a different lens than was used for the fake background image. When she moves away from the camera, she looks like a giant against the background ...
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14 views

Are the EV principles that are used in photography the same in video production?

I am new to photography. I have been reading about the EV values and how to calculate them, with the f-stops, the shutter speed and ISO. However, I want to know if those same principles, tables and ...
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25 views

How do I record video on my computer using a (mirrorless) camera as the video source?

I want to record video on my computer using my Canon M50 as the video source. It's similar to how one might use a webcam instead of the camera integrated into their computer. The only difference is ...
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43 views

Which color space to use in camera while shooting video? RGB or YCbCr?

I want to shoot videos for my blog. Nature, landscapes, fitness. Which color space to use in camera while shooting video? RGB or YCbCr?
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CCTV Camera as a Broadcast Camera

I am trying to make a camera multicam live broadcast setup (at FHD), have 2 cameras already, but would like a third. I am trying to be sub-$60, and found a varifocal and zoom camera. It has a RCA ...
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1answer
12 views

How do i make the different values of two properties change at the same amount in After Effects?

I want to make the value of the Point of Interest of a camera change at the same amount i change the Position, but when i simply pick whip parent the Point of Interest to the position, the former ...
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28 views

How is a multi-angle scene filmed?

There is a great scene in a popular TV series. In this scene, a clerk (in a white-and-blue dress) is shown from 3 angles. Each angle is around 7 seconds long. I wonder how they filmed it. Did they ...
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6 views

Best cost effective camera (+ mic) setup for music videos?

I've been looking into getting a GoPro or similar camera (YI 4K+, etc.), but they have so many features that I don't need. I used to use a Canon EOS Rebel T6 before, and it worked great for my YouTube ...
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178 views

VLC can't play back when I try to connect it to the Ngix / HLS port in Windows 10

I'm trying to do HLS streaming with NGINX + OBS on WIndows 10 following this video tutorial on youtube : I don't know what's wrong with the configuration ,but VLC ...
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28 views

RTSP always connects to camera but often cannot get an image

My software needs to connect to each surveillance camera every few hours to get a picture for analysis. I use this command to connect via RTSP ffmpeg -rtsp_transport tcp -t 10 -reorder_queue_size 10M ...
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1answer
17 views

Filming with projector

I want to make an educational video. I am using a camera (Canon 250d), a projector, and some lights. The problem is that when I brighten the room or make light on the speaker, the text on the ...
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44 views

Force SJ4000 into PC Camera mode

The SJ4000 and other SJCams have a PC Camera mode that allows the device to be used as a USB webcam. As far as I can tell, this mode mode must be selected using the physical buttons at startup. Is ...
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1answer
37 views

Best camera for turnkey studio recordings

I work for a university, and I will be working on setting up a small recording studio for our department. The purpose of the recording studio will be to record high-quality educational content. We ...
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1answer
37 views

Can video cameras perceive lights in a way that they will totally change the color of molten metals?

Is here anyone with experience of camera physics that could help me with this issue or that knows someone I could contact at a university maybe?. I am trying to find out how regular video camera ...
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1answer
19 views

Is there any way to get light flares in a canon m50 and its 15-45mm lens?

I recently got a canon m50 for recording music videos, and despite several bad reviews I have read, I think it works quite well generally. There are some things though that I do not like that I am ...
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2answers
36 views

Why have offset camera placement?

I've noted in recent times that many YouTube videos show a single person not always speaking directly at the camera. I understand from my limited experience to video production many years ago that ...
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12 views

How to prevent microphone batteries from going dead by mistake?

I have a home setup for doing video calls where I've got a Panasonic Lumix G7 with a Rode VideoMic Pro attached in its P2 jack. These are then fed into a USB capture card and connected to my computer. ...
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2answers
63 views

Water on movie camera lens?

At the end of "Gravity" movie main character splashes water towards camera, it looks like this: (2:30) From that moment camera view has water drops visible. It the ...
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27 views

Private embeddable live video streaming server

I'm looking for a third-party live video streaming service that will pull in video streams from various surveillance cameras on demand and broadcast them to multiple users. I'm specifically looking ...
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1answer
14 views

How was analog video converted to an electrical signal?

Before the invention of the CCD, how were analog video images captured? Specifically, what process occurred between the optics of the camera, and the resulting analog electrical signal (not ...
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25 views

Advice for using FD lenses?

I’m interested in using old FD lenses for filming. Has anyone got any experience with this? What camera did you use? What adapter? Did it work? Were there any issues with focal length, cropping, or ...
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2answers
46 views

Filesystem that records longer than 4 GiB, or one hour without interruption

I would like to record footage at high resolution for one hour without interruption. I have a DSLR camera that, with 1080 pixels of vertical resolution and 50 frames per second, stops recording at 10 ...
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15 views

Which camera is better for recording 'cinematic' videos and films?

I was looking for a DSLR camera to record videos. My aim is to record videos to make films and music videos. I know there are many factors that are independent of the camera to make videos with a '...
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1answer
54 views

Camera flash produces unwanted artifacts on the video

During frame by frame watching of some video taken via Instagram app one noticed strange unwanted artifacts on the video caused by camera flash. Please, consider below several sample image frames ...
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158 views

How exactly did analog TV cameras work? [closed]

Before the invention of the CCD, how were analog video images captured? Specifically, what process occurred between the optics of the camera, and the resulting analog electrical signal (not ...
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1answer
30 views

Can I capture different native resolutions with the same CCD-Sensor?

Im working on a paper for my university and need capturings of the same scene in different native resolutions. Im currently using the Logitech BRIO camera with OBS for capturing. My question is: If ...
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3answers
106 views

Decrease FPS of too-high FPS video or increase FPS of too-low FPS video?

I created two videos of the same scene with two different cameras. The issue however is that camera 1 captured everything in 23.85 fps and camera 2 everything in 24 fps. Since I need to synchronise ...
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1answer
21 views

Why is CCD still alive?

I have met my dreams in a camera called PXW-X500 I thought CMOS had killed CCD after cheapness, global shutter revolution and years of advancements? Why is CCD still a thing?
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21 views

Is it worth it to buy a 50mm 1.8 lens if my camera has a 1.6 crop factor?

I was looking to buy a Canon EF 50mm f/1.8 STM Lens. But my Canon 7D has a crop factor of 1.6, that would make the 50mm lens look like 80mm. I am a filmmaker, not a photographer, so keeping that in ...
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1answer
159 views

How to switch to camera view in After effects?

I'm unable to rotate my camera because I don't know how to switch to camera view.
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1answer
26 views

Switching HDMI signals without break

I need to switch between two or three HDMI signals (1080p is sufficient) for a video stream to a beamer. For example, I would like have a presentation coming from a laptop, and one or two cameras and ...
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2answers
32 views

Ideal frame rate for video with moving objects

I am working on a drone to capture a soccer game. What should be ideal minimum frame rate for the camera? Does it depend on velocity of objects(ball, players) in the game?
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62 views

setup for recording full field sports unattended?

I'm looking for setup that I can use to record field sports (like soccer) unattended, for coaching/review purposes. Currently I'm using a Chinese GoPro knockoff mounted to a tall fence, however the ...
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2answers
47 views

Can you give a tip how to create a video with such effect?

I really like these effects and I would like to reproduce it. I would like to point that I don't know how this effect is called. Whether it is made within a camera or in post production? Here is 2 ...
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3answers
71 views

Follow focus on cinema camera?

I would like to purchase a Blackmagic camera but it doesn't have any follow focus system. When searching further, I noticed that many professional cinema cameras doesn't have an integrated follow ...
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1answer
32 views

Match color between 10 cameras

I will need to film on 10 cameras soon, as I can't afford to rent 10 cameras, I will collect them from friends, which means I will have many diffrent cameras. Should I try to color match them in ...
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1answer
78 views

Fujifilm X-T3 or BMPCC4k for musicvideos and feature film

I'm currently looking which camera that I should buy. I narrowed it down to the BMPCC4k or the Fujifilm X-T3, but not sure which one I should pick... I mainly make music and event videos, but next ...
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1answer
105 views

How does an optical viewfinder on a film camera work?

As we all know, a DSLR camera works by moving a mirror out the sensors way when taking a picture and then going back to start, not exposing the sendor. How does this process work, on an optical motion ...
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16 views

Does it make sense to say a computer needs core 5 to display video from a camera (Cannon SX720HS) correctly?

The video on our computer stutters or flickers. Cannon help and a computer tech told my wife that it is because our computer is 3 cores and you need 5 cores really core i5 which is quite different of ...
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52 views

How does shutter speed affect the video?

As shutter speed affects the coming light on sensor.But has it any affect on movement of subjects in video?
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2answers
36 views

Do people fundraise to help someone buy a camera?

I have been borrowing my library's camera the past few months and am getting sick of it. I want to buy my own camera, but the camera I want costs around $1600. I do not have that money but really want ...
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1answer
16 views

Camera-projector installation and reducing projector feedback [closed]

I'm working on a top-down projection game where i detect objects from the real world and project contours on them. My problem is with the output of the projector, I would like to know how to eliminate ...
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2answers
24 views

Which is a better choice for shooting classroom teaching, a DSLR or a shoulder-mounted video camera**?

I want to shoot open class videos that require teacher's face and blackboard writing to be clear. Which is a better choice, a DSLR or a shoulder-mounted video camera?
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7answers
5k views

Digital cameras see black scrolling lines when filming light from my desk lamp

Everytime I point a digital camera of some sort (webcam, phone, camcorder...) at my LED desk lamp or its light reflected off an object (only if the object is very reflective and/or near the lamp), I ...
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2answers
95 views

What kind of camera do I need to record a video with the quality that is in the linked YouTube video? [closed]

Please provide camera models if possible. Not knowing this is driving me crazy haha
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1answer
29 views

With an SVideo Y splitter 1M 2F, does the video input need to go in to the male end?

With a Y splitter Svideo cable Example ---F M-- ---F Would plugging the input in to the F side allow the output to come out of both the M and other F side? End setup would be Camera M ...
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1answer
566 views

Problematic video file for conversion ffmpeg

I have a video file acquired from Hikvision's NVR connected to IP cameras. The method used to download this video was Hikvision NVR's internal API that produced a flawed video file in several ways: ...
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28 views

How do you get the steadiest footage you can [closed]

The title says it all, How do you get the steadiest footage you can? I'm creating a film/movie/video with my friends, we hired a screenwriter too. But, back to the point how do you?Please help me.