Showing posts with label Digital. Show all posts
Showing posts with label Digital. Show all posts

Thursday, January 19, 2012

Nikon 50mm f/1.8D AF Nikkor Lens for Nikon Digital SLR Cameras

!±8±Nikon 50mm f/1.8D AF Nikkor Lens for Nikon Digital SLR Cameras

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Nikon 50mm f/1.8D AF Nikkor Lens for Nikon Digital SLR Cameras

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Thursday, January 5, 2012

Best SLR Digital Camera For 2009

!±8± Best SLR Digital Camera For 2009

Digital SLR comes from digital single lens reflex, which is named this way because of the mirror that sits behind the lens of the camera and sends the light to the viewfinder.

The digital SLR's are designed in such a way that you can use a lot of different lenses, with different focal lengths. This versatility is the reason why digital SLR cameras are so popular among professionals. When you're using a camera that is not a SLR, you need to match the angle of the viewing lens with the angle of view. If you're doing short-range zoom or you have a fixed lens, then it's OK, but at different focal lengths it can be much more difficult. The SLR is better because the viewing and taking lens are the same.

While entry level digital SLR cameras don't always have Live View, advanced models usually do, and they let you compose the photos just like you do with a snapshot camera. The basic models will lock the mirror, and the prism will divert the image towards a sensor that is small. Then, instead of sending it to a capture sensor, it will be sent to the LCD screen, which can take down the performance a bit. If you're getting an older model you might need to focus on the image manually when you are in Live View, though contrast autofocus is available in newer digital cameras.

Digital SLR Camera Types

Digital SLR With Interchangeable-lens

These models are those considered as SLR's by most people. They're also the ones that we'll be talking about in this article. Just like the name says, in these SLR cameras you can change their lenses. This way you're able to switch from a supertelephoto lens to an ultra wide angle.

Examples: Basically, most digital SLR cameras that are sold today belong to this type.

Digital SLR With Fixed Lens

On these digital SLR's, the versatility is limited by the fact that you can't change the default lens. The mirror that bounces the light towards the viewfinder is nonmoving and semi-transparent in most of these models.

One example of a camera with fixed lens is the Olympus E-20N

Camera similar to SLR's

Cameras that look like digital SLR cameras are usually digicams that have either an optical finder or a small LCD. You can't consider them as digital SLR cameras since the mirror is missing, and the quality of the photos isn't even close to what you can do with a true SLR. Usually, this type of camera has a very long zoom, and another name for them is magazooms or ZLRs.


Best SLR Digital Camera For 2009

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Wednesday, December 28, 2011

understanding Digital Slr Megapixels, Lenses and Resolutions Digital Slr Camera Features

!±8± understanding Digital Slr Megapixels, Lenses and Resolutions Digital Slr Camera Features

When you're looking at the specs of a Dslr camera, the list can be overwhelming, full of technical details and specifications. If you tried looking for reviews and ratings of digital cameras, you will feel very confused trying to make heads and tails of all the opinions that customers are sharing.

But if you do take the time and manage to sift through all that information, you will be able to make the best choice.

What Is It?

What exactly is the dissimilarity in the middle of a Slr and other digital cameras? Why are you looking to buy a Slr and not a covenant or a subcompact? You should ask yourself these questions before you spend the money.

For example, you should know what a megapixel does before you buy a Slr digital camera based on the number of megapixels alone. The number of megapixels indicate how big is the camera's resolution (the number of light pixels in a given space).

The bigger the number of pixels, the clearer and sharper is the image. They can get pricey though, so the key is to find one that has a good price and a adequate capability image.

Just because a digital camera has a lot of pixels, it doesn't mean that the photo capability is guaranteed. If there are too many pixels, and the sensor isn't big enough, the photos can look over-pixilated or unnatural.

An example could be the shadows from the picture, which could be too detailed if the pixel rate is high. Every time you look at a different camera, make sure you check the pixel rates and the resolution.

You might be tantalizing what exactly does Slr means. Slr comes from "single-lens reflex". This digital camera has a small mirror that moves in the middle of the film and the lens. Then it uses the lens to project the image on the focusing screen. There are a lot of Slr digital cameras available, from all manufacturers. Two examples of Slr cameras are Nikon D70 and those from Canon.


understanding Digital Slr Megapixels, Lenses and Resolutions Digital Slr Camera Features

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