A system camera is a camera with interchangeable components that constitutes the core of a system. The Nikon F is normally regarded as the first true system camera. System cameras are normally SLRs. In addition to the bare camera body, a camera system may consist of.

Anyone who tells you that you can is about to rip you off. Theres only one Canon EOS 40D and it is made of magnesium alloy. Perhaps they were referring to lenses, some of which have plastic bodies. Well, if you want a tough camera and if you want to get a 40D, then the answer is yes. If you are price conscious, look at the Canon Rebel XTi, which is plastic over a stainless steel chassis but is a lot cheaper.

None of these places are legitimate sellers. Nikons, Hasselblads, Leicas, Canons and look at the Pentax K series which provides the best affordable camera with outstanding lense optics.

This is a remarkable solution which allows use of telephoto lenses without dragging along a tripod to support them. 600 and goes upwards in price. Now getting back to the Pentax K100D. 1,500 for a quality camera system. Hopefully, you will read the above discussion carefully and reach a decision on your future camera purchase. Much cheaper to get a good camera, and youll have a basic understanding of photography that will translate to digital at a later time. Regardless, I personally have a canon 20D and it is all that I want out of a camera. The Nikon and Canons you listed are all high quality cameras that will give you a professional looking photograph. 10D or Nikon D200 which all have a magnesium alloy body that will last forever.

Anything 8 megapixels or larger will be plenty for you to print as large as you want. 11 x 19 prints that look great with my 20D. As far as I can tell by playing with the 30D in the store is there are few upgrades from the 20 to the 30D. 20D, I really dont see the point in spending the extra money. The rebel is an excellent camera that will last as long as you take care of it. Yes; its an attachment that you have to purchase seperately from the camera body. The lens will have a far greater effect on the quality of the picture than the camera will ever have. The camera is worthless without the lens, and there are several different lenses to choose from.

If you are purchasing this camera online, there are several EBay stores that will offer package deals that include the lense, battery, charger, memory card, and camera body. NEW as they come with everything you need at a lower price than it would cost to purchase all of the items seperately. If you are unsure about the brand of lense to get, get the same brand as your camera. Nikon has always been known to have superior optics. That is a pretty basic lens that will be enough for starting out. Youll find you have a lot more choice in terms of price range and capabilities in the Canon product line.

The best advice youll get is to go to a reputable camera store and handle the cameras. See how easy they are to use. See how they feel in your hand. Try a couple of different lens on the body you like. My priorities would be: 1. This will cover a lot of situations.

The on board flash tends to be weak, prone to red eye. And be prepared for the biased sales person. Some will try to sell you their favourite brand. Instead go for what feels good in your hand. Some cameras will be lighter or heavier than others. Some bodies are more compact, some are larger. Find what works for your hands. Also keep in mind the ability to grow into a Digital SLR later. Will all the accessories you buy now work on the digital bodies too. Its not a camera for the professional user. This is actually a better situation to find yourself in, to be honest. You should always put the bulk of your investment in lenses anyway as a good pro lens will outlive all of your camera bodies for years to come.

If you get into that type of investment, it really locks you into your brand so be sure you want to stick with canon before investing in pro glass.

For now, the only downside to your body is a lack of good ISO performance at higher sensitivities. Youve got decent resolution already. 10mp to 12mp and the benefit of higher pixel pitch from a full frame sensor in a more rugged body will make the job easier. But, less easy, the job can be done with what youve got given you make the necessary investment. Your kit lens will not likely be sufficient. It is possible, as all things are, to take your xti and kit lens and make a living. People these days seem to be less impressed with technical superiority than they are with cost. So if you can learn to make great images with what youve got, then more power to you.