Digital SLR Camera Buying Secrets

Digital SLR camera buying makes more and more sense to both professionals and amateurs. Even when film cameras were much more cheaper than digital SLR's, people still tried buying them, as it made a lot of sense, with all the benefits that justified the higher price.

SLR Benefits

There are two main advantages to SLR cameras:

1. You can change the lenses on your digital SLR camera when you need to, so the photos you take have an increased quality. You can use lenses designed for telephoto, wide-angle, portrait, or any other modes.

2.Thanks to the viewfinder of the SLR, the photographer can see the preview of the image just like the lens sees it. In cameras that have the lens attached, you don't see the image from the exact viewpoint of the lens, so there is a small difference between what you see and what you get. If you want the real deal, you need a digital SLR.

Digital SLRs and lenses

In most cases, digital SLRs that you can buy these days will take the lenses that film cameras did, so if you already have lenses for your film camera, you can use them on the digital SLR as well.

It's easy to change the lenses on a camera, but you should keep in mind something: a 35mm lens is made so it projects the image on a frame of the same size, but the camera's image sensor is smaller than the frame is. That's why the SLR multiplies that lens focal length by 1.5.

In many cases, this can be something good, as a 200mm lens becomes as good as a 300mm, which is much more expensive. But, in other cases, a 24mm wide lens would turn in a 36mm, and the photographer might not want that.

All in all, the multiplier of the focal length is a bit of a mixed blessing. If you're using a long lens, the zoom will be much better, but in the case of a wide lens, the full scene might not be fully captured this way.

Kodak and Canon are the first to launch a digital SLR full frame camera. They're quite expensive though, but they come with a sensor that is the same size as the 35mm frame.

There are many other manufacturers that are going to launch SLR cameras that are fully integrated with lenses and they will work by getting the image on the sensor directly, instead of using an angle.

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