The Sigma 120-400mm Zoom Lens incorporates Sigma's original OS (Optical Stabilizer) function. It offers the use of shutter speeds approximately 4 stops slower. Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with a rear focus system that minimizes the fluctuation of aberration caused by focusing. It provides optimum image quality throughout the entire zoom range. The super multi-layer coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range. The minimum focusing distance of 150cm (59.1") throughout the entire zoom range and maximum magnification of 1:4.2 make it useful for close-up photography. This lens incorporates a Hyper Sonic Motor (HSM), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. The addition of the optical 1.4x EXDG APO or 2x EX DG APO Tele Converters produce a 168-560mm F6.3-8 MF ultra-telephoto zoom lens or a 240-800mm F9-11 MF ultra-telephoto zoom lens respectively.Customer Review: Sigma 120 to 400 lens
I was looking for a long lens with stablization, this suited my needs. I ordered it with Amazon.com. I was hoping it would come prior to my trip which I was taking on my motorcycle. It came, great service from the dealer. I took the lens on the trip, used it extensively and love the pictures taken with it. Yes, it is a heavy lens, but I handheld it for the shots I took as had no room for tripod. Shots are sharp. As were taken mainly in the bright sun, had no issues with shake. Used the OS sometimes mainly to try it out more than needed. Overall love the lens and am happy with the purchase and would recommend the lens to anyone looking for a long lens.
As photography itself has embraced technologies like digital, we ourselves as photographers must embrace advancing technologies like the Internet. The door has been opened to showcase your work to not only a national but also an international audience. Once online, your photographs can be viewed from countries as far apart and varied as America to Australia and Russia to Africa.
A website has become an essential tool for any serious creative person. Indeed so
much so, that it has got to the point that if you dont have an online presence, you
simply dont exist. A website is the perfect place to show your images, sell your
images and to build your reputation as a photographer. It is also the chance to
familiarise yourself with the marketing practice of ecommerce, i.e. doing business
on the Internet.
I have recently had a website designed to showcase my photography at
www.capturednature.com I have found this to be wholly useful in both attracting
business and as an interactive portfolio of my work. It is important to make your
website look professional, and to be built in the most effective way that
compliments your images.
Another positive side to using the Internet for imagery is that in the whole it is
universally viewable. Of course text may cause a problem and come up against
language barriers, but the images viewed can be understood globally.
On the cautious side, you need to look after your work and make sure your images
are copyright and protected. Dont let this put you off though to the benefits that
can be harvested by taking your photography onto the online stage.
John Threlfall is a self-taught photographer with a deep passion for nature photography. John has a Masters Degree in 'Creative Imaging'. His work can be viewed at http://www.capturednature.com The images capture the pure simplistic, yet breathtaking beauty that is hidden away in rural Britain.
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