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Showing posts with label Lenses. Show all posts
Showing posts with label Lenses. Show all posts

Sunday, January 30, 2011

Digital Cameras - Fixed Lenses Vs Zoom Lenses



Digital Photography Secretsby David Peterson Click Here!

Most Cameras come with a zoom Lens as standard. However, you might want to think the alternative to these - the fixed Lens Camera. Here we will interpret which is the best for you.

First, in brief a zoom Lens is the key highlight on a Digital Camera as it adds gargantuan flexibility to your Photography. Most contract Digital cameras have optical zoom lenses; that's a lens that can vary its field of view in order to magnify ('zoom in') or broaden ('Zoom out') a scene. These are ideal for when you cannot get close to your field or want to consist of more of it in the shot, making the camera very versatile.

Zoom Lens

We have seen the flexibility a zoom lens has to offer, but there are a merge of benefits offered by a fixed lens Digital camera which are not ready to most zoom optics. These are a higher optical capability and a contract size. A good example of a fixed lens digital camera is a Canon's Ix Us i5; it has a high capability build, contract and beloved design, and a curious 39mm lens.

Digital Cameras - Fixed Lenses Vs Zoom Lenses

Advantages

Better optical capability results from the lens not being the optical equivalent of a jack-of-all-trades. A zoom must do a multitude of optical tasks and, in order to achieve them, compromises are made in the lens designs which affect optical quality. No such compromises are made in a fixed lens. Having one focal length, regularly a wide view between 28mm and 35mm, means that the lens is made specifically for that length, making it sharper (for more detail) and brighter (to let in more light) than the zoom lens equivalent. They often have a wider field of view too. contract sizes are possible because the build does not cater to the mechanisms needed to zoom the optical train back and forth. Battery power lasts longer too for the same reason.

Disadvantages

Fixed lens digital cameras can seem expensive, largely due to the cost of their optics and the fact that fixed lens digital cameras are often prime models. Other notice is that there are fewer fixed lens digital cameras on the market. In addition, as already discussed, a fixed lens camera does not have the convenient flexibility of a zoom. Because of this, most population are willing to live with the compromises involved in a zoom camera.

The economy Option

There are many very cheap non-zoom digital cameras on the market. They tend to use digital zoom to make up for the lack of an optical zoom. We've discussed the problem with digital zoom already, and with very cheap fixed lens digital cameras you of course get worse optics, poor image processing and even poorer results. These are best avoided.

So, why purchase a fixed focal distance lens when you could get over fifty separate focal lengths with a zoom lens? There are in fact several good reasons to opt for fixed lenses over zoom lenses. The first good presume to go for a fixed wide-angle lens instead of a zoom wide angle is because fixed lens are faster and they show more depth. The differences between the two kinds are regularly very subtle, but it does make quite a difference. Since the zoom lenses turn focal lengths as they shift they tend to flatten the depth of field and turn the perspective. With a fixed lens, there are not any curious parts and therefore better operation on their one focal length.

Thanks for reviewing this article, I hope you found the facts beneficial and of great use.

Digital Cameras - Fixed Lenses Vs Zoom Lenses



Digital Photography Secretsby David Peterson Click Here!

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Wednesday, January 19, 2011

The Best & Worst Digital Camera Telephoto Lenses of 2009



Digital Photography Secretsby David Peterson Click Here!

Before showering praise or annotation on any exact telePhoto Lens, it may be worthwhile to expel a few words on exactly what a Camera telePhoto Lens is, and what it does.

In a nutshell, a telephoto lens brings the branch targeted by the photographer, closer to that said photographer. And as a result, produces a still picture or video for any subsequent viewers that is larger, more detailed and exhibits greater clarity then could have been achieved without the benefit of an supplementary lens. A somewhat more technical definition would be a lens that is built from a rather long focal distance lens, but where the actual tangible distance of this lens is less than the desired focal length. That is not to suggest, that every lens with a longer focal distance than normal is a true telephoto lens. A true telephoto lens will include a blend of rear lenses ofter referred to as the telephoto group.

Zoom Lens

There are a few points to consider when buying a Digital Camera telephoto lens.

The Best & Worst Digital Camera Telephoto Lenses of 2009

It's prominent to know what Camera or Cameras, you intend to use the lens with. Distinct makes, models, and manufacturers often have their own lens mounting systems. Some maybe uncomplicated screw lenses, while others may have more explain mounting mechanisms.

Consider the branch environment you will be shooting in. While telephoto lens lend themselves to exact types of subjects, such as sporting events, wildlife photography, watch work and scenery vistas, that's not to suggest that they aren't also used for fashion or wedding photography.

If you never used a zoom lens much in the past, then sales staff can be an invaluable resource. They cope this type of tool on a daily basis, are often more than will to share their opinions. They may be somewhat biased, especially if their working on commission, so be sure to take what they say with a grain of salt. A good source of unbiased facts can be found online. The more reputable online sites like Amazon, include tons of real users who often share their product experience in online reviews.

Reading manuals for the exact models can be helpful as well. Most manufacturers these days, place their product manuals online in Pdf form. If you Google colse to a bit online, you should be able to find the manual of the product your finding for.

Now speaking of the best lens I and a estimate of happy customers would suggest are:

Canon Ef 70-200mm f/4L Usm Telephoto Zoom Lens for Canon Slr Cameras
This lens is great for whatever who wants to try out a L-series lens in the 10-200 mm focal distance range, and not spend a whole ton of money. At the time of writing this, I'm finding this lens for under 0. Additionally, if your tired of hauling colse to the much heavier 70-200mm f/2.8L Is, this may be a best lens for you. Remember, this lens doesn't include Is, so that may or may not be a deal breaker for you.

Canon Ef 70-200mm f/2.8L Is Usm Telephoto Zoom Lens for Canon Slr Cameras

If money is less prominent than the quality of your photographs, then it may be time to step up to this lens. It goes for colse to 00 new, or a combine hundred less used. It does any way include image stabilization, which is prominent if a Tripod is not an choice for your photo shoots.

Canon Ef 100-400mm f4.5-5.6L Is Usm Telephoto Zoom Lens for Canon Slr Cameras

Some of the things to certainly like about this lens, include the remarkable sharpness and clarity. An auto focus that is both darn near silent, and fast. Also included is a dual image stabilization system. It is on the downside of policy a heavy lens, which I'm sure your well aware of, if you've been doing your investigate with other telephoto lenses in this category.

The Best & Worst Digital Camera Telephoto Lenses of 2009



Digital Photography Secrets by David Peterson Click Here!

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