Time-lapse photography is the process of compressing minutes, hours, or even days of several years in a short period of time as a video. In a time-lapse photography video, the process of slowly changing objects or scenery is compressed into a shorter period of time, presenting strange and wonderful sights that are normally undetectable with the naked eye.
The purpose of this article is to introduce how to set the parameters for day-to-night time-lapse photography. How to deal with it in the later stages does not involve slides, and does not involve large-scale movements. Camera, tripod, shutter release and computer can handle it.
Pre-filming 1. Equipment introductionFirst introduce the equipment I use, Pentax k200d+1855 + unknown tripod + Sidande shutter line. First Pentax k200d+1855 is my 600 free fish Amoy, mainly to experience the next CCD, plus 1000w pixels just enough 4K video, late pressure is small, the price is not used to shoot the delay is not distressed, of course, the core is poor. The tripod is also a bargain, and the Strander shutter is the first one of a treasure search.
Shutter line_Taobao search Taobao search is the most intelligent product search engine, through the operation of big data, accurate understanding of goods and users, to provide accurate personalized search experience. Direct links to s.taobao.com Pentax k200d_Taobao search Taobao search is the most intelligent commodity search engine, through the operation of big data, accurate understanding of goods and users, to provide accurate personalized search experience. Direct links to s.taobao.comWell, the equipment is not important, how to shoot is the theme, after all, photography is needed behind the head
2. Preparation
Take the video that I started sharing as an example. The location of the shooting is in the sightseeing area in the center of Shanghai. It is probably such a position. Ps. I fear high
There are several points for preparation (the focus is on the plan):
a. Grab the plane, tripod mount, choose a good angle;
b. Confirm the date of sunset, iphone comes with weather display;
c. Calculate the start time of shooting, interval time, number of shots;
Number of sheets / 24 is the length of the video you get, 400 can probably get 16s of video, friends circle limit 10s Oh; number of sheets * interval time is your shooting time, generally 5-10s range, want a complete day The best night to take an hour or so, 5s intervals of about 720, you can finish shooting and then choose to use the photo; then according to the sunset time to confirm the start of shooting time. I shot about 800 shots of this time, and then selected 399 treatments based on the sunset effect. As for why 399, I will say later.
3. Parameter settings This part should pay attention to, because it is day and night, parameter setting and general time delay photography have a little difference, it is mainly to adopt a block.
a. shooting mode a block, aperture according to need, you want a small aperture can star, but note that by the evening shutter speed plus storage time must not exceed the interval time;
b. Select the format of the photo save, behind the smooth exposure of the software can only handle raw;
c. Turn off anti-shake because there is a tripod;
d. Turn off playback, save power, and you don't need to;
e. Focus mode is set to manual focus to avoid focusing during shooting;
f. How to set the shutter release do not teach it, see the instructions.
Well, to the point you can burn the shutters happily!
Post processing1. Photo processing
The software used in this section includes lightroom+LRTimelapse;
Lightroom Everybody should know that Adobe's photo management and processing software, LRTimelapse is mainly used to balance the exposure inconsistency, remove the flicker, because we shot using the A file, and it is a night scene, the direct photo to video will have a flickering phenomenon .
a. Open LR Timelapse (hereinafter referred to as LRT), import photos, where everyone should understand why I chose 399, because this software free version only allows processing 399
Import
b. Select the key frame, you can use the slider to select the number, the average choice, you can also set the key to the specific photo. In theory, the more key frames, the more smooth the exposure, but you have more photos of the later period;
Select keyframe
c. Grail mode, in fact, I do not understand this mode too much, this step should be mainly used to set the overall exposure changes, the blue line in the figure is the actual brightness, yellow is the compensation, three sliders will try to understand, I Generally is the default, there are value friends found error welcome correction.
Grail mode
d. Save the configuration file and open lightroom.
Save configuration file 1
e. Import photos in lightroom. Select all the photos and choose "Metadata -> Read Metadata from File". Then select the keyframes you just selected.
LR import, select keyframe
f. To color, here is not to say in detail color, everyone is not the same method, and then select all the keyframes, right-click select "metadata -> metadata will be stored to the file";
g. Back to LRT, Reload, Auto Transition, Save and click again;
Basic transition
h. Click on Visual Preview, pre-rendering, which will allow you to see the effect intuitively. This step is slower and waits better.
i. Here you can see the brightness curve is not very smooth, the next step is to smooth the brightness curve, remove the flicker, where the slider can choose the degree of smoothness;
Remove flicker
j. Then click save, then you can go back to lightroom, go back to lightroom and select the last imported photo, right click the "metadata -> read metadata from file" you can see that the photo has been batch processed All right. Then you can export it all, and wait for it. At this time, my old antique effects are displayed. A RAW is less than 10M, and the export is very fast.
I use Premiere, which is also an adobe home. Video production is not the focus of this issue. Let me talk briefly.
a. New project
b. import the material, note: in the "Edit -> Preferences -> General" set the default duration of still images is 1 frame;
c. New sequence, I built 4K;
d. Drag the photo into the sequence, note: I do not know why, my pr drag order by default will be chaotic, there is a sort button in the lower left corner, you can sort by name
e. Then see if you need to make some adjustments to the video, or add music;
f. Export, generally set the format to h.264, and then export wait just fine.
Finally, attach a few photos of the Shanghai center (photographing equipment Sony a7r2 + Sigma mc11 + Tamron 1735, these have the opportunity to talk)
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