中國國民黨主席選舉第一戰 聯署人數超額近20萬
百度 此前该车公布的补贴后预售价为万起,对比瑞虎3x(起售价万)涨价万。
A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.
38 questions
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How can I improve my tracking and manual focusing of fast moving subjects? (using a hybrid mirrorles camera)
Context
I'm a videography beginer. I am an experienced enthusiast photographer.
I am trying to move into wildelife videography as a hobby. My aim at this stage isn't to create full peices but just to ...
2
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1
answer
523
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Vignetting with Sirui Anamorphic Lens on a Sony A7sii
I just purchased a Sirui 50mm 1.8 anamorphic lens, the Sony E-mount version. It fits on the camera fine as expected. However, there is a lot of vignetting. It happens on both 4k and HD recording modes....
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0
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Is the EF mount on the BMPCC 6k weak? If yes, how weak?
BACKGROUND / PROBLEM
Hi, I plan on getting a Blackmagic Pocket Cinema Camera 6k g2 sometime soon, and don't know the physical limits of what the body of it can withstand. I've heard that EF lens ...
0
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1
answer
29
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How to calculate lenses parameters to record a pc monitor
I want to make a video audit of my pc screen (4k). The distance would be about 40cm to the centre. Can it be done with much of distortion of the geometry (I cannot place the camera at the centre ...
1
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1
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44
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Are there any general focal length rules around videoing a stage show
I need to video a dance show on stage, the video is to be static and needs to cover all of the stage.
For these types of requirements i generally just set up my camera on a tripod, use the widest lens ...
1
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1
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307
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Manual Lens Distortion - Continuously Stretching Image
I have an image that has lens distortion on it (barrel or pincushion). This image is used as the background image. I want to get another image, scale it down, layer it on top of the first image, and ...
1
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0
answers
10
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Will a professional PL s35 anamorphic lens cover a fuji sensor and provide proper squeeze?
I have a fuji x-mount camera which is aps-c. As far as I understand it aps-c is just about the same size as super35, and I can buy a PL mount adapter for my fuji camera. Does this mean if i use ...
3
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2
answers
781
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How can I remove red dot lens flare from VR footage - Premiere Pro / After Effects
I am in the process of doing post-production work for some footage filmed on an insta360 pro 2. In a great deal of these videos there are these annoying red dots from lens flare that can bee seen in ...
1
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2
answers
463
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How to get fisheye lens border in shot?
I'm about to buy a camcorder with a 62mm diameter lens, and I'd like to get a fisheye with it.
I would like my shots to end up like shown here, with a little bit of lens border in shot.
I can't seem ...
1
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3
answers
77
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Prime or Zoom for Video (Micro Four Thirds)
I am looking to get a Blackmagic Pocket 4K. I know that you can do the EF conversion, and use Canon EF lenses, but I want to keep the cost down on my initial purchase.
I am looking at either getting ...
0
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1
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69
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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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1
answer
1k
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Should I expect worse video quality with GoPro using lens protectors?
Will the video quality be noticeable worse with tempered glass lens protectors on GoPro ?
if so, is it better to use housing for protecting the lens and display?
Thank you
0
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1
answer
30
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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 ...
1
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0
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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 ...
1
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1
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43
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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 ...