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Digital Cameras

Digital photography has grown exponentially in the 21st century, making film cameras nearly obsolete. Ask questions here about digital camera brands, functions and prices here.

4,826 Questions

Why is better to have more memory in your computer?

there are several answers i could come up with for this one, depending on the OS you use, many systems use empty hard disk space and convert that into what is called "virtual memory." so systems use both, actual memory installed, and virtual "paged" memory. so to simplify the answer, the more memory you have, the less time programs have to use your hard disk "memory" to finish, or run tasks. when your drive is being accessed for memory, it takes away access time for applications. The limiting reagent model: your system can only go as fast the the slowest reagent. Information moving from memory to CPU - fastest, speed of current Information moving from Hard drive to CPU - slowest, friction of drive turning to access information More memory means more information can be stored electronically and be accessible electronically. Of course, all of this must take into account your OS and how the program you want to run is coded. If the program will not load into memory but constantly accesses the hard drive by design, more memory will not help it so much. More memory really comes into play with the processes behind the scenes in Windows. By having more space for Windows XP to run free, you allow necessary functions to flow quickly.

How does Aperture work?

The aperture is like the iris of the eye. When the aperture is very small, you will get a sharper focus and more depth of field-- near and far things in the scene will tend to be sharper. This is because the smaller circle is cutting down on the "confusion" caused by the countless overlapping circles of light being focused on the film or other light sensitive surface in the camera. The down side is that because the iris is smaller, less light is getting in, and you need a longer exposure to get a good image. When the aperture is larger, you can get a good image with a faster exposure, but sharpness and depth of field may suffer a little. The "circles of confusion" are larger, because the aperture is larger.

What is the difference between point and shoot camera and DSLR camera?

A single lens reflex (SLR) is a camera that uses the same set of lenses to both focus the image on the CCD (digital) and enable the photographer to frame the picture. That is to say, when you look through the viewfinder of a DSLR you are looking directly at the object through the main lens. You are not looking at the digitally re-created picture of the object or through some other lens that is off-center of the main lens.

A point-and-shoot camera will have some other mechanism for framing the picture.

What is an image that is created using pixels?

An image is made up of pixels, or tiny squares that each have a designated color. the pixels are normally so small that you don't see them. However, sometimes a picture looks blurry when resized. That blurry image is a pixelated image.

What companies make the cheapest digital picture frames?

The cheapest digital picture frames are usually the smallest. They're cheap because it doesn't use up a lot of pixels to make your image, or not nearly as much as a bigger picture.

How is the shutter speed measured?

It is measured in a fraction of a second. For example 1/500th of a second

What do you need to transfer data from camera to computer?

It all depends on what type, make and recording medium your camera uses.

If it is tape and has an analogue output (AV leads) then you will need a computer with a video capture device added.

The card or dongle will have appropiate connections on it, for the AV leads. The devices also come bundled with the software to do it and instructions.

Some digtial cameras use a 'firewire' connection. But again your computer will have to be equipped with the correct socket. If it isn't already, then it can be added.

If you camera uses digital media, such as disc or memory card, then insert the media in the correct slot on your computer. Open the files and copy and paste them onto your hard drive.

What is the difference between 5 optical zoom and 8 optical zoom in a camera?

If you're talking about optical zoom there is no difference other than you will be closer to the viewed object.
If you are talking about digital zoom, the size of the pixels will increase and blur.
Hope that helps!

Do rechargeable batteries last longer than regular batteries?

the chargable cell different from ordinary dry cell like.Like chargeable cell can be charged ;And ordinary dry cell cannot be charged .

How do you change the language from Japanese to English on your Sony DSC 30 camera?

is it NTFS or PAL format sony dsc 30 Camera the pal version does not have English settings

if its a ntfs version just take the batery out or freeze it to restore factory settings

Where can one find good digital picture frames?

Good digital picture frames can be purchased online as well as in local retail outlets. When shopping online, it is easier to view reviews for the product to determine whether or not it is a good product. Try sites like Amazon or Best Buy. You can also shop for digital picture frames at places like Target or Wal-Mart,

Do you need a memory card for a digital camera?

no u do not its how much memory u have on the ps3 for example the 120 gb, it contains 120 gb of memory.

What phone has the highest mp camera?

The average megapixel camera is between 10-14.1 megapixels. You canget some non-SLR camera's in the 16 megapixel zones. anywhere above that you get into professional cameras, which get pricey!! and you need to buy optional lenses.

-as of Q1 2011

That person's answer doesn't exactly answer the question does it? The answer is, I believe, the Seitz (made in Switzerland) which has a whopping 160 MP, and can cost up to $36,266 US dollars!~JeremeK

What are the limitations of a digital camera and a scanner?

Depends on what you need to do. A scanner copies an image into a computer and a camera takes a picture of something. Many all in one printers have scanners built in, some are as cheap as $50 on sale.

How many pictures does 1GB hold?

1 GB is relatively small for today's standards, although many 1 GB flash drives exist.

It depends on the size of the photo, which in turn depends on the resolution and the encoding.

GIF and JPEG formats are compressed formats. A good size to "share" with e-mail, web photos, and etc. is less than 100 KB, with resolutions between 500x500 and 1000x1000.

Some newer cameras are able to produce photos in excess of 2MB.

While the large photos are cumbersome for handling, they are better for cropping and editing, and produce better prints.

So....

At 100K, a 1GB drive or flash card could hold about 10,000 photos.

At 2MB, a 1GB drive or flash card could hold about 500 photos.

Is an AAA battery an rechargeable battery?

There are rechargeable AA batteries that are sold.

One should NOT attempt to charge regular AA batteries. This can result in the batteries leaking or exploding. Charging regular batteries can result in injury or fatality in a number of ways including fire. If they do not say rechargeable then they are probably not chargeable.

What are the benefits of a cmos digital camera?

As a cmos camera can refer to many different types of cameras, it's hard to answer this. Mainly, cmos cameras are less expensive to manufactiure, resulting in cheaper cameras in general. That's about all I can tell you, sorry!

Where can one find a sale for Digital cameras?

Digital cameras can be bought at all the major chain stores like Wal-Mart and Target. However, if you are looking for a high quality camera then going to a photography store or electronics store will be your best option.

How where and when digital graphics are used?

Vector Graphics use vectors and mathematical functions to describe images rather than fixed bitmaps. As a result the images can be cleanly scaled to any size without losing fidelity. It is also much easier (and computationally faster) to perform transformations on them quickly like sheering and rotation.


Vector graphics are used whenever we want to make images that we might want to stretch out or shrink a lot.

In particular:

* most typographical font formats describe each letter using vector graphics. (In particular, the TrueType and Postscript font formats).

* line drawings are typically drawn and stored as vector graphics

* the Gerber file format (a subset of EIA RS-274) is a de-facto standard in printed circuit design.


Practically all 3D graphics are drawn in vector graphics form.

* Computer-generated imagery (CGI) in television and movies is almost always generated using vector graphics, often Blender files or POV files or VRML files or RenderMan files.


Many physical objects have been designed using 3D versions of vector graphics

* Nearly all CAD software uses some kinds of 3D vector graphics

* The G-Code format (a subset of EIA RS-274) is used in many computer-controlled machine tools.

What is the best digital camera for under $150?

A great digital camera to get would be the Kodak EasyShare M1033. It has 5x digtal zoom, automatic focus, 10 megapixel and face detection. This camera has feature that people want and it has current technology.

Advantages and disadvantages of digital cameras?

  • they are quick and easy to use with one click of a botton.
  • optical zoom in todays technology can go up to 20 megapixals +
  • digital camera's can be usful in travelling around the world for work:
  1. evidence
  2. Photography

Is a digital camera both an input and output device?

Normally unless something is broken, it is a storage device (it stores pictures and sometimes videos), an input device (it gets the photos and videos from something within it), and it is an output device (it has a screen)

Where is the SD card slot on a dell computer?

There is no SD slot. You need to get a card reader. You put the card into this and plug it into your computer. Alternatively you can connect your camera to the computer using the cables that came with it. Check your instruction book.

How do you upload pictures from Kodak camera to computer using a card reader?

Have not tried this, but this is what I found when searching: You may be able to do this with the supplied software and accessories with your camera, but there are external devices that make this process much easier. If you have an external memory card reader that reads and writes, you can transfer photos without using the camera or any proprietary software. In fact, when connected in this way, you can move images back and forth all you like in the same way as you would copy and paste files into different folders on your computer.