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Essential Things To Know
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Digital Imaging
February 1, 2010 • Vol.7 Issue 2
Page(s) 24 in print issue

Essential Things To Know
D-SLR Cameras
Q. What is the difference between a D-SLR and a point-and-shoot camera?

A. Best for more experienced photographers, D-SLRs are generally more expensive and larger in size than point-and-shoot cameras, and they offer manual settings for a greater creative license.


Q. What’s the difference between a CCD and CMOS image sensor?

A. CCD image sensors record an image using a grid-like field to produce a high-quality image. CMOS image sensors read each pixel individually, which means they capture more light than a CCD sensor.


Q. What can I use a D-SLR’s LCD screen for?

A. LCD screens are designed to provide a live view of the scene you’re shooting (like a viewfinder) and also let you review the pictures you’ve taken. Some LCD screens rotate to let you shoot from difficult angles, such as from the ground.


Q. What scene modes are available on a D-SLR camera?

A. Most models have automatic shot settings such as sunset, portrait, landscape, indoor, outdoor, night scene, fireworks, and sports, among others.


Q. Can I shoot video with a D-SLR camera?

A. Yes, some D-SLRs have a movie mode that lets you take video clips. More advanced D-SLRs will feature HD video capabilities.


Q. Do I need extra lenses to use a D-SLR camera?

A. That depends on your lifestyle and whether you’d want or need to match a lens to a specific shooting situation. If you do, some options are telephoto lenses (to magnify the scene), wide-angle lenses (ideal for larger scenes and landscapes), or macro lenses (for close-up portraits).


Q. What types of memory cards do D-SLRs support?

A. D-SLR cameras are compatible with a variety of memory card types, including CompactFlash, SD, and SDHC.


Q. What are shutter priority modes?

A. Shutter priority modes are full manual shooting modes that give you control over what types of shots you take. Ones you might come across are Av (aperture priority), Tv (time value), and P (program).


Q. Does a D-SLR camera have a shutter delay?

A. Like a point-and-shoot camera, D-SLRs have a short delay between the moment you press the shutter and when the camera snaps the image; however, this delay is generally shorter. D-SLRs also allow you to adjust the shutter speed to produce different exposures in your images.


Q. What types of file formats do D-SLR cameras support?

A. D-SLRs are compatible with some or all of the following image formats: RAW, JPEG, DPOF, MOV, TIFF, and +JPEG.



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