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aperture

Aperture determines depth of field Enthusiast's Guide Rocky Nook

The Enthusiast’s Guide to Exposure: Aperture & lens choice

This series of articles is excerpted from Rocky Nook’s Enthusiast’s Guide to Exposure by John Greengo covers the controls — shutter, aperture and ISO. The week, John tells how the aperture is fundamental to choosing a lens. Maximum aperture explained The maximum aperture describes a lens’s light-gathering ability when the aperture

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The Enthusiast’s Guide to Exposure: Depth of field

This series of articles is excerpted from Rocky Nook’s Enthusiast’s Guide to Exposure by John Greengo covers the controls — shutter, aperture and ISO. The week, John covers depth of field. Depth of field With large apertures(low numbers, e.g., f/1.4, f/2, f/2.8) you can expect a shallow depth of field.

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Examples of aperture sizes in a lens from maximum to minimum in one stop steps.

The Enthusiast’s Guide to Exposure: What is an aperture?

This series of articles is excerpted from Rocky Nook’s Enthusiast’s Guide to Exposure by John Greengo covers the controls — shutter, aperture and ISO. The week, John gives an overview of the camera’s aperture. The aperture An aperture is an opening through which light travels. In a camera, it also

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DIY bokeh shape photography

The holidays are upon us and it’s time to take out your camera and make some fun images. I thought I would share how I take pictures of out of focus highlights and change them into different shapes using cardboard, scissors, tape and a pencil. Creating the cap First, we

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How to get photos with perfect exposure 100% of the time

Are you eyeballing your exposure? Do your photos tend to be underexposed or overexposed from time to time? Are you 100% sure of your settings? I might just have the solution you need. What is exposure? Let’s get back to basics real quick. Exposure is the amount of light that

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Understanding exposure: The aperture setting

Exposure is the process of choosing the correct settings on your camera to produce a picture that “looks right;” not too bright, not too dark, and sharp where it should be. While your camera will figure all of this out for you, it’s good to know how to take control

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The On Nature column by Jason Hahn on Photofocus

On Nature: What settings should I use for wildlife photography?

When we talk about photographing behaviors and events as they unfold, we think in terms of being “reactive”, or shooting on the fly. In a studio setting, we are “proactive”, we make decisions about pretty much every characteristic of the photo before it is taken. My goal with wildlife photography

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Quick Tip: Get Close to Achieve a Shallow Depth of Field

Love that blurred background look, but don’t have a lens with a wide open aperture? Even if you’re limited to something like a kit lens, you can still achieve the same effect. Both of the above photos were shot with my Olympus 40-150 f/2.8 lens at the same 40mm focal

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