Questions tagged [camera]

A device used to capture still images.

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9 views

After Effects, text layers and depth of field

I have a hard time getting blurry text in the background with a camera and depth of field look "right". Because I need to use latex math equations, I can't use built-in text, I need to ...
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4 views

Using a high res camera to enable multiple digitally zoomed shots in OBS

Being relatively green, I wanted to ask what I think is a relatively simple question before making the plunge on purchasing a camera. I plan to use OBS to live stream a raffle and had originally been ...
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20 views

document cameras vs webcams

Is there any practical difference between a webcam on suitable mounting and a document camera or visualiser? This is a well worn topic but laced with less helpful information from manufacturers who ...
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8 views

Imported .mov media are not playing all the way through on iPhoto. What is the cause and solution?

I have several .mov media that I captured with a FujiFilm Xt3 camera on two SanDisk 64GB memory cards. One card is 95 MB/s and the other is 85 MB/s. I was shooting 100 MB/s and 200 MB/s for some of ...
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25 views

Techniques for merging two separate and moving camera shots

'The Man From U.N.C.L.E.' (2015) contains a neat break-in scene that shows a special force team arriving and infiltrating an industry area. A few seconds of this scene really got me and I wonder how ...
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27 views

Blackmagic Pocket 6K to HD HDMI output?

I have a HD Monitor (a Dell P2719H 27 Inch 1920x1080). I want to use it to monitor a Blackmagic Pocket 6K from the HDMI output. When I plug it in, the monitor says no signal, even when the camera is ...
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2answers
46 views

How to realistically add planet in the sky using 3d camera tracker and avoid overlapping with objects in the foreground?

Quick summary of what I want to create with AE: I have a drone shot and I want to add a realistic planet in the sky/horizon by using 3d Camera Tracker in After Effects. What I want: While flying past ...
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1answer
43 views

phone vs dslr vs webcam for making videos

I'm using OBS to record some videos for youtube with a webcam. Right now I'm using the Logitech BRIO Ultra HD. It's alright... but definitely could be better. I'm looking to upgrade to something high ...
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1answer
239 views

Firefox only uses OBS virtual camera

I'm on macOS (10.14.6) and have OBS installed. I tried out the virtual cam a while ago using the native virtual cam functionality (not the plugin) and now whenever I need to use my camera in Firefox (...
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71 views

How to reset the timecode whenever pressing record button on Sony nxcam?

The time displayed on LCD on my Sony nxcam has counted up and up. I'm sorry if this is a silly question. But is it possible to reset the timecode every time I press the record button automatically? I ...
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22 views

Which stereo cam to choose

I'd like to buy or assamble small usb stereocam like RaspberryPi but I need only to grab image for programming in Python. I don't need its processor (or I can be able to use it in my code somehow? I ...
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1answer
132 views

What is the minimum camera requirements to create professional quality videos?

We are hiring videographers and we noticed that some of their videos have colors that appear extremely far away from accurate color reproduction as well as highly pixelated/grainy quality despite ...
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1answer
26 views

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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1answer
18 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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1answer
33 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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2answers
128 views

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

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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27 views

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
20 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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1answer
88 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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906 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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2answers
28 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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1answer
39 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
41 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
46 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
103 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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0answers
16 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
330 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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1answer
86 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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0answers
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
75 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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1answer
115 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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1answer
493 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
43 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
507 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
24 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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1answer
24 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
555 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
39 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
39 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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2answers
137 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
49 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
181 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
33 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
270 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
353 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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1answer
17 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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3answers
59 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
38 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
25 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
26 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?