Tuesday, December 10th, 2019

Checking for Key Digital Camera Features

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Checking for Key Digital Camera Features

In this article, I shall provide a list of the digital camera key features that you should think and know about. Here’s a summary of what to look for:

1.Resolution

Resolution determines how sharp your image will be, how much you can enlarge a photo before the pixels start to become distracting, and how much you can crop a photo and still be left with a decent image that you can enlarge and manipulate.

2.Lens

The lens is the eye of your digital camera. Look for the following in your lens:

*You’ll want good-quality optics that focus a sharp image on your camera’s solid-state sensor. The best way to gauge the quality of the lens is to take a test photo or two. A vendor’s reputation or lab tests in magazines are other ways to evaluate a lens.

*The lens also needs enough light-gathering power to let you shoot in reduced light levels. A camera’s light-gathering capabilities are measured in something called f-stops.

*The magnification power of the lens (how large or small an image appears to be from a particular shooting position) is another factor. A digital camera’s lens magnification can usually be varied by zooming in and out to make the image larger or smaller.

*A related factor, the zoom range, is another key characteristic to look at. Where magnification tells you only how large or small the image can be made to appear, the zoom range tells you the difference between the two. As I mention under the discussion of general camera categories, some lenses have only a small zoom range, say 2:1,whereas others have a longer range, up to 12:1 or more (which means the image size can be varied up to 12X).

What’s the difference between magnification and zoom range?

Magnification deals purely with how large or small an image appears to be. For example, one lens may extend from a 28mm (35mm equivalent)to 85mm (35mm equivalent) magnifications, a 3:1 zoom range. Another lens might go from 35mm to 105mm (both 35mm equivalents) and also qualify as a 3:1 zoom range optic. However, the second lens would provide more relative magnification.

3.Storage

The kind and amount of removable storage is another key feature. The more storage space you have for photos, the more pictures you can take before “reloading” your digital camera. Most cameras use Compact Flash, Secure Digital, or other electronic “film” media.

4.Exposure controls:

Except for the least expensive models, all digital cameras include automatic exposure controls that adjust the amount of light reaching the sensor based on the lighting conditions of your subject. If the illumination is low, an auto exposure system uses a wider lens f-stop or exposes the sensor for a longer period of time. If there is a lot of light, the exposure system reduces the amount of light reaching the sensor. Cameras with more versatile automatic exposure controls let you specify what type of exposure to use. For example, when shooting action, it’s often preferable to use the shortest shutter speed possible to freeze the motion and to adjust the size of the lens opening instead. Conversely, if you want a lot of your image to be in sharp focus (say, objects very close to the camera and very far are both important), you may be able to choose an exposure mode that favors maximum depth of field. You probably want a digital camera that can handle several different exposure modes and lets you set exposure yourself.

5.Focus controls

Most digital cameras also have an automated system for sharply focusing your images. Some are more versatile than others, and many cameras also let you focus manually to ensure that the subject matter you want to emphasize is the sharpest.

6.Viewfinders

Digital cameras generally have four ways to let you preview and compose your images prior to exposure. The color LCD panel on the back of the camera shows you the same image that the sensor is capturing. The LCD is often hard to view in bright light, so digital cameras also may have optical viewfinders that let you see a non electronic version of the frame. More-advanced cameras might include a second LCD (EVF) in the camera, where it is shielded from the glare of the surrounding light. Single lens reflexes (SLRs) let you see an optical version of the picture through the same lens used to take the photo.

7.Other equipment, other features

Finally, as you choose your digital photography gear, think about accessories, such as tripods, filters, add-on lenses, external electronic flash units, scanners, printers, and additional stuff. Even the storage media you use to archive your photos, such as CDs or DVDs, can all be important.

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Where there is no vision, the people perish.
Proverbs 29:18

The earth is the LORD’s and everything in it, the world, and all who live in it; for he founded it upon the seas and established it upon the waters.
Psalm 24:1-2

He makes springs pour water into the ravines; it flows between the mountains. They give water to all the beasts of the field; the wild donkeys quench their thirst. The birds of the air nest by the waters; they sing among the branches. He waters the mountains from his upper chambers; the earth is satisfied by the fruit of his work.
Psalm 104:10-13

Look at the birds of the air; they do not sow or reap or store away in barns, and yet your heavenly Father feeds them. Are you not much more valuable than they?
Matthew 6:26

How many are your works, O LORD! In wisdom you made them all; the earth is full of your creatures. There is the sea, vast and spacious, teeming with creatures beyond number living things both large and small.
Psalm 104:24-25

Sometimes I do get to places just when God’s ready to have somebody click the shutter.
Ansel Adams

When you photograph people in colour you photograph their clothes. But when you photograph people in B&W, you photograph their souls!
Ted Grant

While there is perhaps a province in which the photograph can tell us nothing more than what we see with our own eyes, there is another in which it proves to us how little our eyes permit us to see.
Dorothea Lange

When words become unclear, I shall focus with photographs. When images become inadequate, I shall be content with silence.
Ansel Adams

Your first 10,000 photographs are your worst.
Henri Cartier-Bresson

You don’t take a photograph, you make it.
Ansel Adams

Beauty can be seen in all things, seeing and composing the beauty is what separates the snapshot from the photograph.
Matt Hardy

Nothing happens when you sit at home. I always make it a point to carry a camera with me at all times…I just shoot at what interests me at that moment.
Elliott Erwitt

Which of my photographs is my favorite? The one I’m going to take tomorrow.
Imogen Cunningham

You’ve got to push yourself harder. You’ve got to start looking for pictures nobody else could take. You’ve got to take the tools you have and probe deeper.
William Albert Allard

If I saw something in my viewfinder that looked familiar to me, I would do something to shake it up.
Garry Winogrand

I always thought good photos were like good jokes. If you have to explain it, it just isn’t that good.
Anonymous

Twelve significant photographs in any one year is a good crop.
Ansel Adams

It can be a trap of the photographer to think that his or her best pictures were the ones that were hardest to get.
Timothy Allen


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