In the previous articles, we have mentioned the impact of the depth of a number of factors, namely of Iris in the previous articles, we have mentioned the impact of the depth of a number of factors, namely the aperture size, the length of the distance, with the lens. Shallow depth of field is a lot of people like to use photography as a skill, especially when shooting portraits, shallow depth of field easy highlighted models in the location on the screen, but also softens and beautifies the measured background effects. In General, manufacturing on the depth of the most convenient way is to use a large aperture of the lens (aperture size and depth of relationships). Usually as long as the aperture f2.8 to, you can get quite good on the depth of field effect. Get on the depth of field for digital camera users are probably the most vexing problem, here's a few more. In General, without prejudice to the overall effect of using "maximum aperture + as short of margin + long focal length lens" to get the minimum depth of field effect. For early production of consumer-grade digital camera, use the camera body to achieve small depth of field is difficult, because at that time of the camera lens. Even so, in most of the telephoto or can obtain good on depth of field effect, this is a photo taken from the smaller closely related. However, portrait photography, especially the body into a mirror, because the photo is too large, is still difficult to be particularly good on the depth of field effect. At this point have a telephoto lens of high zoom camera is more suitable for use. But now all popular 「introduction a microscopic end 」 shooting method, so most of the photographer in the purchase of equipment, to zoom lens as a priority, but has a large aperture zoom lens is price not Fei. To the original manufacturer of large-aperture lens, variable, and third, the price of $ above, it is not an ordinary people affordable starting price. By now most beginners will purchase of corrective lens, the majority of the 18-70mm f3.5-4.5 such specifications of parity on the lens, remote aperture value maximum only f4.5. This large aperture of f2.8 lens change compared to the already have one and a half of gap, the natural progression in the shallow depth of field by creating a comparison on. Today, we'll teach you how to use cheap zoom lens to shoot beautiful shallow depth of field photos. 1. use at distal to shoot more often when the focal-length, the more shallow depth of field, so make the best use of the variable part of the lens at the distal to shooting, you can effectively reduce the depth of field. Aperture f4.5, using the wide angle end to filming, the background behind the relatively clear.
Aperture f4.5, using the wide angle end to filming, the background behind the relatively clear aperture f4.5, use the remote to shoot, looking behind the background is blurred
Consumer DC in high-end telephoto models to many, 7 x zoom can reach 135 mm focal length of the camera, you can make a very good on the depth of field effect films, telephoto lens to control depth of field more favourable, but is not absolute.
Shooting the same-sized images, long lens to left farther and farther away blur more difference; at the same time, the longer the focal length, the smaller the lens aperture (consumption machine does not have a constant aperture of the lens), blur more poor. In the consumer DC telephoto and large aperture like eat your cake and eat it, according to the actual filming, light enough to use a telephoto; light when using large apertures.
2. the far main with background distance when we opened the subject distance with the background, you can set the background in the valid range for depth of field is clear, so that the same can create a shallow depth of field effect.
Aperture f4.5, theme and background distance closer, the background is more legible.
Aperture f4.5, theme and background distance closer, the background will be relatively clear aperture f4.5, uses the same focal length, when the background further, become more blurred
Consumer DC lens with 3 x optical zoom, contains the best portrait shots 85-105 jiaoduan, this portrait shooting jiaoduan will not appear distorted, but the background blur jiaoduan lens effect cannot be satisfactory.
And SLR cameras use professional portrait head is focusing, most telephoto 135 to focusing of the large aperture and specially designed to meet the requirements of the portrait photograph, but the price is too expensive, not ordinary photographers can buy up shoot for fun, in other words, even a single lens reflex digital camera, if you do not have a high-end portrait dedicated head, still can't beat a good brief portrait photo depth of field. Then we can do is increase the camera body and the distance between the background, this way the photos there will not be much different.
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