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These days there are more choices when it comes to lenses and their size and it’s worth having some knowledge so you can best provide the equipment to suit your lifestyle. By looking at two lens types, you’ll find some key differences that may impact your choice of camera. The most important thing to remember to make the most out of your lenses and the results is that the image circle must be enough to cover the sensor.

Without it, you’ll find that your image has a rounded shape and dark corners.
Lenses that have been designed for APS digital are referred to as digital only. This means that they are designed to cover the APS sensor without any problems but cannot be transferred onto film cameras as they are not going to cover that sensor.

This can cause problems if you need your lenses to be backwards compatible with older film SLR camera bodies. This may also cause problems if any future designs have a sensor that corresponds to the size of a 35mm camera. The alternative is looking at the four thirds design.

This is a newer style of lens that does have some advantages over the other options available. One major feature is that it deals with light a bit better than the above mentioned lens types. This means that you may find images have less refraction or rays of light through them and if this is a problem for you then the four thirds style of lens could be better suited.

Cameras that feature the digital only lenses include some of the higher end cameras, namely Canon EF-S and Nikon DX. It’s a step away for Nikon who have been traditionally very good at keeping their lenses backwards and forwards compatible with both film and digital cameras.

If you prefer the sound of the four thirds style, then you will want to look at cameras made by manufacturers such as Olympus and Panasonic. Overall though you need to look into more than just lenses when shopping for a new digital SLR camera and take into account all the factors that differentiate the various brands on the market.

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There are two primary styles of sensor in digital cameras today. There is the more traditional CCD which is common and the newer CMOS style of sensor. Both have their advantages and disadvantages as outlined below.

The sensor is important to consider as this is how the camera actually captures and stores all of your images. The CCD sensor is in most cameras. It stands for couple charged device – which doesn’t really explain its function at all.

Having the backing of history means it is in a good place as far as reliability and stability go. It’s been tested and improved over the years to what you will find today. The major advantages are that it offers the better quality point and has been improved on to the point that it is now equipped with technology to make it very fast and with a fantastic range.

If you’re looking at a Canon Rebel camera then you’ll be looking at the CMOS sensor. This is a newer type favored by Canon and stands for complementary metal-oxide semiconductor. Originally this chip wasn’t that great to use because it was very noisy however this has been improved greatly since its original release.

It has been improved to the level of beating out some CCDs in quality. One of the key advantages is that it uses less power which equals longer battery life. The disadvantages for both sensors vary and are pretty much opposite each other.

What one does well the other lacks. For example, CCD sensors are generally smaller than CMOS which means you can have a more compact camera body for simpler handling. However, the CMOS sensor is going to lead to larger cameras because of its increased size.

When it comes to choosing which sensor to go with you need to consider whether size is a factor. If so then the CCD may be more appropriate, however if you don’t mind the bulk then the better battery life and sensitivity of a CMOS may suit your needs.

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Nikon D90 DX 12.3MP Digital SLR Camera

If you’re new to the world of DSLR, then the Nikon D90 is for you. It’s not too complicated to handle or understand, and it’ll open up a whole new world of photography. With a 12.3MP sensor you’ve got the ability to make images larger than life and utilizing the range of Nikon and compatible lenses means you can really get any image you desire on this fabulous camera.

Another plus is that it uses SD cards to store your images on. These are inexpensive and it’s easy to have multiples. It also has self-cleaning for the sensor which will save the owner a LOT of money in maintenance.

It comes with a lot of in-built editing that can be done inside the camera and will save a lot of time in post-production. You can make alterations for a completely unique scene; even if 20 other people are right there shooting it with you!

It’s whisper-quiet and super-functional and it carries the nobility of the Nikon name – a long-standing major player in professional photography. It’s been designed so that it’s easy to hold naturally and won’t feel cumbersome in the hands of a new user. It’s larger than a point-and-shoot camera but the extra features and adaptability are worth the size upgrade.