Skills and application of backlighting and calendering photography

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Pure positive light can make the image look less stereoscopic, and sometimes we prefer light with a slight angle, such as side light or backlight. Side light or backlight photography can highlight the stereoscopic sense of the subject. However, because of the relationship between the angle of light illumination, the two kinds of light will produce a greater contrast when shooting, which increases the difficulty of shooting. Shadows will appear on the surface of the camera when taking portrait photography. We usually use flash or reflector to make up for the shadow part of the portrait slightly.Skills and application of backlighting and calendering photography

Backlight portrait shooting/Nikon D3x f/221/800s ISO100@SB900 x3@HighSpeedSync

Skills and application of backlighting and calendering photography

Positive portrait shooting/Nikon D800 f/2.21/5000s ISO100

Easy to say, how to deal with the backlight? In fact, there are many ways to use the backlight, one of which is that the subject is in the backlight position while shooting, ignoring the background light and focusing on measuring the light on the subject (large backlight). In addition to a more natural and dreamy feeling, this method of expression, if the lens is directly directed at the sun, and as far as possible enlarges the aperture. The larger the aperture, the higher the degree of light diffusion, the stronger the sense of dream, and there will be a beautiful spot effect. In this way, if you want to reduce the shadow of the backlight position, you can use the reflector to fill the light. But the big backlight only shows a dead sky, losing the details of the background.Skills and application of backlighting and calendering photography

Reverse Photography - I remember three years ago when the students in the flash class came to the scene to take pictures, they saw a beautiful sunset in the background. With a loud cry, they all looked over together and kept a happy and moving moment.

Backlight Processing Method for Flash Lamp Replenishment

What is calendering? In fact, calendering is just supplementary light, but in the image performance, it seems that the background light is suppressed by the flash supply, so most people call it "calendering". In fact, calendering is the same as the method of supplementary light, but the added flash output is the same or even more light than the background light output. This kind of shooting method is more common in commerce. It is a kind of shooting method that can show fashionable and delicate light and shadow levels. In addition to highlighting the subject, background details (such as clouds in the sky) can also be presented (details of the background lost in large backlight photography).Skills and application of backlighting and calendering photography

Nikon D800 f/141/250s ISO100

Photographic method of calendering effect

When shooting, the background sky must be measured first. If the exposure of the sky background is f/11, 1/200 seconds and ISO 100, after measuring the background sky, the camera will be adjusted to M mode, and the aperture, shutter and ISO values will be set to f/11, 1/200 seconds and ISO 100. The main reason for using flash to synchronize shutter time for 1/250 seconds is that the camera and most flashers can only support 1/250 seconds of flash synchronization (x-sync). As long as the shutter speed of the camera exceeds the upper limit of 1/250 seconds, it can not synchronize with the flash, and the photographed image can not fully receive the light of the flash. However, some high-order flickers can support high-speed synchronization, but although there is no shutter speed restriction on flash synchronization, the higher the shutter speed, the weaker the GN value of the flash. Although the maximum synchronization speed between the shutter and the flash is 1/250 seconds, because not all cameras and the flash + Flash can operate at the highest synchronization speed (usually related to the quality of the flash), the safety line is usually 1/200 seconds or 1/160 seconds. When the aperture, shutter and ISO values are set, the flash is used to supplement the exposure of the portrait, so that the exposure of the portrait can be increased to the same amount as the exposure of the background sky. The white balance is shifted to Sun Light.Skills and application of backlighting and calendering photography


In the above method, if the output rate of the flash is increased by one level, and the background light measurement is reduced by one level (f/16) with the aperture, so that the background darkens (also the dark level), there will be a supplement of the flash to the background light, which is called "calendering". This calendering is done with a thin aperture (f/16), which has a relatively deep field depth, and the subject is as clear as the background. If you want a shallow field depth effect (before and after clearing), you need to use a larger aperture (e.g. f/2.8). When using large aperture and high shutter, the flash must exceed 1/250 second synchronization. When the flash exceeds 1/250 second synchronization, it is called High Speed Sync (HSS). It is required to use the medium to connect the camera and the flash when synchronizing with the high-speed flash. The ordinary flash of hundreds of Hong Kong dollars can only give us the shutter synchronization speed of less than 1/250 seconds. We can choose the advanced flash, or my favorite and most convenient flash line, which can support TTL and high-speed flash synchronization. Usually convenient and accurate, the price is reasonable, its only disadvantage is that it can only use one lamp, if you use more than one flash, you have to choose advanced flasher.Skills and application of backlighting and calendering photography

Nikon D4 f/2.81/8000s ISO100@HighSpeedSync

Skills and application of backlighting and calendering photographySkills and application of backlighting and calendering photography

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