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Depth of Field: What is it and the best way to Control It.


When photographers point out the “depth of field” in a picture, they’re pertaining to what proportion of the image they like better to have focused.

You will assume “but don’t I would like all of my image to be in focus?” oftentimes you are doing, however generally you’ll be able to bring a lot of attention to your subject by reducing the depth of field in an exceeding scene, creating the background soft and foggy

What is the depth of field?

Photo by Gijs Coolen

The higher image has a deeper depth of field than the lower image. Click on the image for a more in-depth look.

By selecting what proportion depth of field to possess in your shot, you’ll be able to focus the viewer’s attention in an exceedingly specific place.

This makes the depth of field management one of the foremost necessary artistic choices that an artist makes. This instance shows an equivalent image shot with deep depth of field (top), and shallow depth of field (bottom).

In the lower image with the soft background, the depth of field is regarding 2 or 3 inches deep. That doesn’t mean that solely the 2 to 3 inches ahead of the lens are in focus—the depth of field in an exceeding scene is often measured around the purpose of focus.

I centered on her eyes, that the depth of field extends from an in. Roughly ahead of her eyes, to an in. roughly behind. Everything nearer and farther than this little space gets softer and softer.

How depth of field works

selective focus photography of brown bird
Photo by Mesh

Depth of field is controlled by dynamic the aperture setting on your camera.

Like your eye, an optical lens has within which will open or get ready to let in additional or less light-weight.

You manage the dimensions of this hole, or aperture, by dynamic the aperture setting, which is measured employing a scale off-stops.

The first rule for understanding aperture and depth of field is incredibly simple: the larger the aperture, the shallower your depth of field is, which means a smaller portion of your image is focused.

The smaller the aperture, the deeper your depth of field is, leading to a lot of your image is focused. currently here’s the tough part: aperture size is denoted by variety, and also the smaller the amount, the larger the aperture.

Setting your aperture setting to F2.8 can yield a shallower depth of field than setting it to f11. differently to think about it’s that a smaller variety suggests less depth of field.
Smaller f-numbers denote larger apertures, which mean less depth of field.

Control your camera’s settings

round grey alarm clock at 2:40
Photo by Stanisław Gregor

To change your aperture, you want to have a camera with aperture priority or manual mode. (Most cameras with aperture priority even have a full manual mode).

On most cameras, Aperture Priority mode is indicated on the mode selector by an A, tho’ Canon cameras use Av.

Once in aperture priority mode, you decide on the aperture you would like, and also the camera mechanically picks a corresponding shutter speed to yield an honest exposure.

For details on dynamic modes and mistreatment of the aperture priority mode, consult your camera’s manual.

If your camera doesn’t offer a mechanism for dominant aperture, then you won’t be ready to select a selected depth of field.

These days, all SLRs have priority and manual modes, as do small Four Thirds cameras, and a few advanced point-and-shoot cameras, like the Panasonic Lumix LX3 and

Canon PowerShot S90

Photo by Photo Zine

However, a camera with a smaller device has an inherently deeper depth of field. What this implies is that it’s troublesome to realize extraordinarily shallow depth of field with a camera, though you have got manual controls.

Choose the correct aperture

Photo by Jacob Zatorsky

Once you recognize the way to manage your aperture, you’ll get to puzzle out what proportion of depth of field you would like in your exposure. for instance, in an exceeding portrait, it’s nice to possess a shallow depth of field so the main target is on the person’s face.

However shallow depth of field is additionally handy any time you would like how to separate a subject matter from a busy background—street shooting, event shooting, and plenty of alternative things will get pleasure from a discount exhaustive of field.

The depth of field during this image is thus shallow that her eyes are focused whereas her eyebrows don’t seem to be.

This is a portrait shot with an f1.2 50mm lens that opened all the approaches.

Here, the depth of field is thus shallow, that the girl’s eyes are focused however her eyebrows don’t seem to be, which means the depth of field is barely a fraction of a deep once shooting with a depth of field this shallow, the focus becomes particularly crucial.


Writer CreditAakanksha Shahdeo
Digital Showcase of Lens Rider is founded by Nishant Pandey. It is essentially a magazine to guide photographers. Here we put out new blogs everyday having tips and tricks of photography and information about different areas of photography that one can explore.


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