Questions tagged [camera]

A device used to capture still images.

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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
19 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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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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22 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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28 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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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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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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3answers
86 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

How do they create that kind of “twisting zoom”?

I'm new to video production and editing. I'm wondering how I should use my camera (maybe with some other tools) to create a kind of twisting zoom, where the camera moves towards the front of the ...
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278 views

How Do I can do a live streaming of JPG imagens?

I saw you talking about making videos with jpgs in linux, How can I do a live streaming from videos sent by a security cam? The cam just send jpgs by ftp even 1seg.
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124 views

Marshall Video Cameras and BMD ATEM

I've been looking at some of the Marshall Video gear to be used with my BlackMagic ATEM TV Studio. I'm wondering if anyone else has used any of these? Specifically the CV550-CS/B http://www.marshall-...
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1answer
256 views

Small profile camera for recording a lecture (from a student's seat)

I would like to videotape my professors' lectures much like others record the audio from the lectures. Of course I don't want to be a nuisance for my other classmates, so I'm wondering what my best ...
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How to make a Camera Slider with bearings?

I wan't to make a camera slider with bearings that is very smooth. I haven't come up with a good idea yet. I wan't it to be able to be placed on a tripod. Can you please show me som links and tips ...
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138 views

Can you zoom while moving backwards with modern cameras?

Hitchcock used to do this to create the feeling of nausea.
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1answer
1k views

How to record HDMI video with USB?

I have a camera that can only provide a HDMI output. It does not have in-built recording capabilities as it is basically meant to be displayed directly on a screen. My Goal? I want to record ...
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1answer
191 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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177 views

is this movie “I Am Kalam (2010)” shot with sony nx level camera?

Please check this video and help me to know that can we shoot same quality level movie using Sony HXR NX1 Video Camera Thanks for help in advance.
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1answer
27 views

Calibrate internal camera under Windows [closed]

My internal camera (shown as USB 2.0 camera, but it is mounted in the laptop screen) shows all pictures quite blueish in different lighting situations. Manual post processing of photos/videos greatly ...
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12 views

camera for 240 fps stream

which camera is able to stream 240 fps on the PC to process them on the fly? This question body does not meet our quality standards. Please make sure that it completely describes your problem - ...
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1answer
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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1answer
68 views

How can we do auto exposure lock in samsung s4 similar to iphone?

How can we do auto exposure lock in samsung s4 similar to iphone? Thanks for your help.
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1answer
53 views

ONVIF IP-camera Europe

I am looking for an IP-camera model that is cheap, I can order from Europe and most importantly supports the ONVIF standard. The quality of the camera does not matter as it will be used for motion ...
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2answers
96 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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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.

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