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With style and a sturdy build, Sony NEX-5 delivers the mirrorless digital cameras promise which is high image quality without all the bulk, and the photographic versatility of interchangeable lenses.

Sony Alpha Nex 5 build with so many interesting innovations make it difficult to know where to start. The fresh one is that the Sony NEX series is the first interchangeable lens digital camera system. The interchangeable lens designed for continuous autofocus and video recording exposure adjustment, where all the components, bodies and lenses, support the feature.The NEX-5 supports 1080i AVCHD video recording.

Responsible for the high quality images, Alpha Nex 5 build with 14-megapixel Exmor APS HD CMOS sensor, and a new Bionz processor is also hard at work.

Alpha Nex 5 hot features are Sweep Panorama, Auto High-Dynamic Range shooting, Handheld Twilight, and Anti-motion-blur modes, each of which strategically combine and align several images into one seamless one. It's amazing stuff. Sony's also announcing an upcoming upgrade (even before the cameras ship!) that will enable a special 3D Sweep Panorama mode that will work with several as-yet unannounced Bravia TV.

Alpha NEX 5 using a wide, 3-inch LCD with 921k-dot resolution. For easy viewing the super-slim LCD tilts up 80 degrees and down 45 degrees. Shooting in or out of doors is a snap with TruBlack technology from Sony's picture frames.

Alpha Nex 5 are not using the previous Alpha mount series. Sony introduced a new E-mount, for which two lenses will ship right away, both as kit lenses. Standard 18-55mm f/3.5-6.3 lens with Optical SteadyShot, and a 16mm f/2.8 pancake lens. Both have an aluminum barrel in brushed gunmetal gray.

An adapter is available for mounting Alpha lenses, but autofocus will be disabled with the NEX cameras. Two converters will also ship for use with the 16mm lens: an Ultra Wide Converter with a 12mm equivalent view, and a Fisheye Converter.

Photography - Understanding How Image Stabilizing Lenses Work

If you have not yet purchased an image stabilizing lens, you might nonetheless have heard the term "image stabilization" or "vibration reduction" bandied about in reference to various point-and-shoot cameras and SLR lenses. In that case you probably understand that IS or VR technology supposedly results in sharper images. But does the technology really work, and how well? What actually happens to make it work? In what situations does it not work at all? And most important of all, do you really need it?

The answer to the first question is yes, image stabilization technology not only works, it works well. If it did not, the remainder of this article would be entirely unnecessary. But it is useful to understand exactly what image stabilization is, and when it can be used to improve your photography before you shell out the extra few hundred dollars for a lens that has IS built into it.

Note: While the term "image stabilization" is used more frequently by writers when discussing this topic, "vibration reduction" is the term that Nikon uses to describe the same feature in its lenses, and it also happens to better describe what is going on. You should consider the two terms as interchangeable.

To understand how vibration reduction works, let's consider for a moment the effect that it corrects for. When a camera is hand-held, and the shutter is open for a duration longer than the camera can be pointed in one direction without moving, then the resulting image is seen to be blurred. What happens is that as the camera lens tilts upwards, sideways, or a combination of the two, the focused image shifts position on the image sensor. A focused point of light ends up being rendered as a line. The accumulation of all the shifted points of light that make up an image results in a blurred image.

The obvious correction therefore would be to shift the image sensor by the same amount that each point of light is shifted, so the image and the image sensor move together in relative lock-step. Some camera manufacturers implement this exact solution, and float the image sensor so that it can track the image if the camera shifts during exposure. But this is the exception, rather than the norm. Generally the solution is achieved by adding the vibration reduction to the lens, rather than the camera body.

So how does this work? Actually it is fairly simple to understand. Instead of a floating image sensor, the lens body contains floating lens elements. The position of these lens elements is controlled by motors that are coupled to sensors which detect how much the lens body is rotated vertically or horizontally during exposure.

If the lens body rotates upward, the sensors compensate by telling the motors to drop the floating lens elements down a little to maintain the optical path of light traveling through the lens elements. If the lens body is rotated to the left, the lens elements shift to the right to compensate. The end result is that the image maintains its position on the image sensor during the exposure, creating a much sharper image than if the vibration reduction system had been deactivated (which it can be).

It might seem remarkable that the system can track camera shake so well. In fact, it is remarkable, but it all works because camera motion can be monitored about every 1/1000th of a second, while the camera wobble occurs on a time scale of, say, 1/30th, 1/15th, or even 1/4th of a second.

Vendors of these image stabilizing lenses claim that the technology allows you to gain about 3 to 4 stops on your exposures. This means that if, for a given photographic situation, the slowest hand-held shutter speed that consistently results in an OK image is 1/125th of a second, then by adding vibration reduction you ought to be able to shoot at 1/15th or perhaps even 1/8th of a second. This is a big deal if you are forced to shoot into shadow, or the light is fading, or you need to close down the aperture to improve depth of field.

But image stabilization only proves itself in a range of shutter speeds that are neither too great, nor too small. If you try to hand-hold a 1 second exposure it's unlikely your VR compensation will be able to keep up with the erratic motions you supply it. Likewise, if you are shooting at 1/500th of a second or higher, the camera won't have a chance to experience any wobbling, so the VR system will not add any improvement.

Another thing to remember about vibration reduction is that it has to do with compensating for camera motion during exposure. It has nothing to do with the speed of the object you are trying to photograph. So that fast-moving baseball will still be rendered as a blur unless you capture it at 1/500th of a second.

Do you need IS or VR lenses to improve your photography? This one is fairly easy to answer. If you regularly find yourself shooting at speeds less than 1/250th of a second then there is a very good chance you can rid yourself of a substantial number of those blurred, or unsharp, shots by investing in a good VR lens. Better yet, when you buy your next digital camera, simply go for a point-and-shoot with vibration reduction built in, or if you purchase a digital SLR, try to grab a model with vibration reduction built into the supplied kit lens.

To help you select a suitable digital camera to get started with, I have put together an article for you about how to find the right Beginner Digital Camera.

Whether you need a simple point-and-shoot model, or a more complex digital SLR model, you will find the answers, and greatly discounted digital camera offers, at http://www.bestdigitalcameradiscounts.com/

About the Author

Stephen Carter is a web developer and creator of the review script Review Foundry. He is also the creator of Best Digital Camera Discounts His interest in photography spans decades.

Good recommendations: affordable Canon lenses for a beginning photographer with a Canon Rebel XTi?

Want something a little better than the kit lens... what would be my best options for a few different lenses to start out with... please list a standard, wide-angle, and telephoto lens that would be good. Something that I can learn on but is also good enough to keep for quite a while.

Thanks

Many people starting out with digital photography find that the Canon EF 50mm f/1.8 II is incredibly versatile and satisfying. It'll only run you about $95.

If you want to spend a little more you can get the Canon 50mm f/1.4. It has USM (ultra sonic motor) focusing which is faster than the f/1.8's. It's also slightly better built.

It will help your composition also. You'll quickly learn how not to depend on zoom for framing your shots. Many people prefer the 50-85mm range because they're very close to what the human eye sees (in terms of field of view).

That said, I love my cheap little 50mm f/1.8.

The prime (non-zoom) lenses I've recommend are also generally better in terms of image quality than similarly priced zoom lenses. The moving elements in the cheaper zoom lenses can cause aberrations and fringing. You also aren't going to be able to find a zoom lens with as large an aperture as the 50mm prime lenses. Large apertures are how you get that wonderful bokeh (background blur).

If you'd like to see examples of what the lens can do, Amazon usually has plenty of pics that users have uploaded that were taken with the lens you want.

Here are some links to the above mentioned lenses.

http://www.bhphotovideo.com/c/product/12142-USA/Canon_2514A002_Normal_EF_50mm_f_1_8.html

http://www.bhphotovideo.com/c/product/12140-USA/Canon_2515A003_50mm_f_1_4_USM_Autofocus.html

Here's Amazon's example page for the 50mm f/1.8:

http://www.amazon.com/gp/product/customer-images/B00007E7JU/ref=cm_ciu_pdp_images_1/103-4354286-4380667?ie=UTF8&index=1#gallery
And here's the 50mm f/1.4's page:

http://www.amazon.com/gp/product/customer-images/B00009XVCZ/ref=cm_ciu_pdp_images_0/103-4354286-4380667?ie=UTF8&index=0#gallery

The f/1.4 is going to give you a little smoother bokeh than the f/1.8 due to it having more diaphragm blades.

You could also find info on some of Sigma and Tamron lenses. They're off-brand, but they're cheap and good quality.

http://www.tamron.com/lenses/default.asp

http://www.sigmaphoto.com/lenses/lenses_all.asp

Hope this helps!

Largan and Kinko enjoy robust sales in April
Optical lens kit makers Largan Precision and Kinko Optical have reported unaudited consolidated revenues for April, with the former seeing on-month increase to NT$881 million (US$27.90 million) and the latter hitting a new monthly record at NT$422 million.

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