Questions tagged [focus]

The visual clarity of an image through an optical system, or the process of affecting it.

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How do I prevent the auto-focus from bouncing on my Galaxy J7 smartphone?

I'm trying to film myself in a dark room with videos. When I start the camera, it records as expected: it checks focus and stops on a nice and crisp view. However, as I record every second or so, even ...
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Can anybody please explain what camera settings (aparture, iso, wb, ss) have to do with visual/film grammar?

I understand the film "grammar" of shot types, framing, composition etc but don't understand what camera settings have to do with it. This is one of the assessment criteria for a university ...
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Practice Manual Focussing

I'm planning on shooting a short film in about 2 weeks with my Nikon d5300. Since its aAutofocus is unusable for video (it's great for photos, but too slow to be used for video in live view), I ...
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Is there a way to handle focusing when you're filming yourself?

I'm trying to film myself sitting on a sofa talking. The problem is, with auto-focus, occasionally the camera can lose focus, for example if I lean forward or back or gesture. What I want to do is ...
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Why two focus controls on Canon KT14X44KRS?

Apologies if this is a video camera question rather than a video question. My JVC GY-HM700 camera lens, Canon KT14x44KRS has both a focus control, that goes from relatively close to infinity, and a ...
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Why do pro cameras still need to pull focus?

Big productions using pro cinema cameras (RED Weapon etc...) still use manual focus and still have someone who's sole job is just to pull focus for a camera. With today's technology, I would always ...
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Continuous video autofocus speed on Sony a7 iii

So I've got my a7iii and continuous autofocus (AF-C) with Wide focus area is blazingly fast when shooting stills. It recognizes faces and can clearly keep the running man's eyes in focus when looking ...
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Can I zoom in, manual focus, then zoom out?

I'm recording a top view of a drum machine with this camera: Panasonic HDC-TM40. I need to use manual focus to fix the focus. Using manual is the only way to lock the focus, right? I can barely see ...
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why is the camera auto-focusing inspite of being in manual mode?

I am trying to take video for a time lapse of stuff I write on white paper. Issue is that when the paper is blank, it looses its focus automatically. Unitl something or some writing/drawing/object is ...
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I just want my camera to focus on EVERYTHING when recording.. please help.

I am learning how to shoot DSLR video and am struggling to get my 5D Mark III to focus on EVERYTHING.. It always wants to focus on only one specific area creating Depth of field on everything else and ...
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How to autofocus a Canon T3i Rebel with AmazonBasics remote control?

Canon T3i Rebel does not autofocus in video-recording mode so right before starting to record a video, I would like to position myself in front of the camera and autofocus using the AmazonBasics ...
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Wireless focus for the Ronin-M

I've recently purchased a Ronin-M and have been shooting a good bit of run-n-gun projects with it. But the biggest limitation I've found with it is focusing, so I've started looking around for ...
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Get better focus on Canon DSLR's

I need some advises and opinions on how to get better manual focus while shooting video on Canon DSLR's ex. T2i, T3i, etc. Since these haven't got any focus indicators or anything like, like for ...
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How do you zoom in (animated) on a portion of your canvas?

I'm using After Effects to create a Motion graphic and I would like to make the animation zoom in on a specific point, do something and then zoom out again. To clarify what I exactly try to achieve: ...
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Depth of focus for video recording

How can I calculate the depth of focus (Depth of field, DoF) for video recording? There are some tools around that calculate the DoF for different camera types depending on focal length, f-stop and ...
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How did cameramen manually focus in the film days?

In the days before LCDs and digital cameras, manually focusing an interchangeable lens still camera wasn't a whole lot different than it is today. In most designs, you had a mirror that gave the ...
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How to focus when recording video using a DSLR?

I'm looking for advice on how to adjust focus effectively when using a DSLR to record video. I find it difficult to judge focus on the small LCD screen on the back of the camera when focusing ...
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Magic Lantern follow focus

Using Magic Lantern on a 600D. With Follow Focus and Rack Focus, the camera always misses the focus point I set. Sometimes it's just one or two movements too far but it's always too many. And if you ...
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How to disable continuos autofocus during video shooting with Canon SX230 HS?

I have a Canon SX230 HS camera and want to record a movie from a train driver's perspective on a model railway. Everything is working fine, except that the camera refocuses continuously during the ...
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