Questions tagged [camera]

A device used to capture still images.

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2
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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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0answers
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 ...
4
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2answers
303 views

What are Grey Balls used for?

I know that a Grey Card is used for the white balance of the camera, but whate are the Grey Balls used for? On big Productions, there is usually a guy (what is his job?) that holds up a grey ball and ...
0
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1answer
45 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 ...
0
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0answers
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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0answers
21 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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0answers
20 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 ...
10
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6answers
2k views

About film making techniques

I have developed a big interest in film making recently (I hope it isn't a fad). I am interested more in the technical side like cinematography, editing, lighting etc than acting, direction etc. I am ...
2
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2answers
40 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 ...
5
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2answers
3k views

What is a circular motion around a object called when filming?

You know that camera technique when the camera operator usually have a steadicam and runs/walks around a person. I'm trying to learn how to do that with my homemade glidecam but it is so hard. it ...
0
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1answer
40 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 ...
3
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5answers
20k views

What is good software for camera recording under Linux?

I use Linux(Mint Linux Petra) and will probably switch to Ubuntu 14 soon. I need to record video with my camera on my laptop(imagine I use a web-camera for simplification) and I need to see real-time ...
5
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3answers
2k views

Can I record directly to a computer with the HC-V250?

I'm considering purchase of the Panasonic HC-V250, but my primary use case is recording directly to a folder on my computer. (I do a lot of post-production editing, so I need all the files on my ...
0
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1answer
22 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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0answers
60 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 ...
1
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1answer
212 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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0answers
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 ...
4
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3answers
12k views

Is it possible to find a webcam with large aperture?

I'm looking for a Webcam with large aperture and shallow depth of field, similar to the F 1.8 Canon lenses, so far It has been really difficult since most of the specifications for any webcam are ...
0
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3answers
177 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 ...
0
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2answers
18k views

What is causing these horizontal lines moving vertically up the whiter portions of the video?

The camera model is a Sony, remote control model, I don't have the exact model# with me but can get it if needed. I'm not sure when it started, but it's very noticeable now, the lines scrolling up ...
3
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1answer
128 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 ...
1
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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 ...
0
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2answers
112 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?
4
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2answers
12k views

After Effects: Create an isometric/orthographic Camera

I know that its not possible to create an non-perspective camera in after effects. But I read about a way to fake the effect of an isometric camera in after effects. I just didn't find something ...
1
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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 ...
0
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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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0answers
25 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 ...
1
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1answer
75 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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0answers
882 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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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 ...
0
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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 ...
4
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2answers
94 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 ...
0
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2answers
308 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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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. ...
0
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1answer
76 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 ...
-1
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1answer
467 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 ...
0
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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 ...
1
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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 ...
0
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2answers
74 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 ...
0
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1answer
508 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.
2
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1answer
111 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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3answers
493 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 ...
0
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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 ...
2
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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 ...
2
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2answers
127 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 ...
0
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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 ...
6
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7answers
13k 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
37 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?
0
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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 ...