low light photography

FAQ about low light photography

FAQ about low light photography

For the beginner photography students, canvas prints nz usually in the daytime lit shot no big problem, but if it is in the environment or at night under dim, often tremor, weird colors, flash or lead to an unnatural situation, so each deterred students, in fact, 'low-light photography' is not too difficult, there are nine common questions about low light photography, learn it together!

(Q1) to take pictures in low light tremor situation. What should I do?
If you are holding the camera, canvas prints online you can use a large aperture lens, and then transfer large aperture (eg f / 1.4), which can effectively enhance the shutter speed, Ruoguo not enough, you can also increase the ISO speed, there the same effect. But be careful to lead the General Assembly aperture shallow depth of field; and ISO will make a high signal to noise, which should be accompanied with caution! Whether a method with that, bear in mind handheld 'Safety shutter' rule, so that it will not shake photo becomes blurred.

Using a larger aperture (f / 2.8) can increase the shutter speed, print on acrylic hand-held can also shoot sharp photos.

(Q2) low-light photography camera should I set it?
No tripod…
Using Aperture Priority, increase the ISO to ISO 800-3200 (depending on the light), transfer large aperture (f / 1.4-5.6), the shutter speed before pressing the shutter attention to whether the 'Safety shutter' requirements, such as the shutter is not fast enough Please upgrade ISO.

Tripod when…
Use the manual mode, the ISO down (such as ISO 100), according to the depth needed to adjust the aperture (the larger the aperture, the shallower the depth of field – teaching reference), if the target subject does not move, you can rest assured that use slow shutter to shoot.

Use a tripod to static body looks sharp. Low light shooting is very useful equipment.

(Q3) Should I save RAW profile?
Unless your card is no space, it is recommended to save when you're shooting RAW files (using RAW + JPG option), so you can use Photoshop or other post-production software to non-destructively modify photos, photo light and dark and tolerance will JPG than large, even if some of the JPG file overexposure or dark places use dead RAW files also have the opportunity to save!

Shooting RAW files has many advantages, such as low-light shadow position can be destructive push light for low light shooting useful.

(Q4) can shoot in low-light moving objects do?
Yes, but there will be a few difficulty. To make moving object shoot clear images, you need a faster shutter speed, so you will want to open the maximum aperture, ISO will rise proportionately, but the high ISO will make your photo becomes clear signal to noise. Another method is to use an external flash for fill light. So you get the ISO will not lift so much!

(Q5) How can you reduce noise in low light photo of it?
The best approach is to use when shooting low ISO, but sometimes you have to use high ISO, you can shoot RAW files, and then adjust the option 'Noise Reduction' in Photoshop's Camera Raw interface, the effect is delightful!

(Q6) why should I know the photo shoot out is overexposed or underexposed it?
The first is that you do not believe in the camera monitor to see light and dark, because the comparison is not accurate; but you can refer to the photo Histogram, look at the photo information will have severe left (too dark) or right (overexposure ) cases, but when watching the Histogram is only a reference, there is no absolute correct value and shape, after lots of pictures you will gain experience, watching the Histogram for their hearts desired brightness greater certainty.

(Q7) balance how should it be set?
As usual there is no fixed white balance settings, but you can first try to adjust the white balance to 'comply with the ambient light,' such as the street is a yellow street lights, the white balance can be set to 'tungsten' or 2700-3300K, of course, if you want to tone it down K cool photo number, otherwise it will increase!

Teaching Reference: White Balance Techniques – an important impact on the orientation of the color photos

(Q8) when a photo is dark. I should first upgrade ISO or slow shutter to capture it?
The short answer is 'to slow down the shutter,' because of the high ISO will make a photo signal to noise increases, but also reduces photo sharpness, but also pay attention to slow down the shutter is not available when you are holding the shutter is slower than 'safety shutter' , and when the subject is moving (such as Portrait), the shutter can not you put too slowly, so remember to upgrade ISO, although the final release, but it is not absolutely can not upgrade, to be alive.

When you can no longer slow shutter, you will have to upgrade ISO, but the high ISO will increase the signal to noise. This photo is taken with ISO12800 to see the signal to noise increased significantly.

(Q9) Why shoot camera does not respond after you press the shutter?
Very likely because you was unable to focus, so the camera will not start shooting, the situation in low light environment is very common, transferred to manual focus before shooting. You are required to place the focus toward the light, or directly using manual focus, so you should be able to successfully shoot it!

Reference Teaching: four methods to solve the knight failed to focus

Low light shooting is very interesting, because sometimes the naked eye cannot see the light through the camera's long exposure will be revealed, and in dim ambient light is often also full of flavor, so you must also learn from the students ah!

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