Transfer of head off! Advanced digital single lens reflex camera to buy strategy.
DSLR body prices and the entry threshold is gradually reduced, and as an important component of the SLR system price is still high above the lens, vendors SLR camera package are included with entry only to meet the needs of users, those who have an interest in photography, and have higher expectations of users ,18-55 This first set of specifications or the optical quality of both focal lengths are not enough, but similar to the 18-200 first set of this specification and in the distortion sharpness also has its own shortcomings, therefore, for their choice of a higher quality SLR camera has become very necessary things。.
Same specifications as the original Vice factory lens can provide half the original price even lower than the lens Bacheng image quality, therefore the first choice for many friends, after all, in most cases, the original and the image quality between the deputy plant little difference can be regarded as a naked eye can not see difference. Moreover, even in the price to win the deputy factory lens, there are also by many other comparable to original quality of products can even exist, the user, is credited with these great products more attractive, also better meet the entry-level Advanced users demand. .
Shima DC EX 30/1. .4 HSM.
Sigma DC EX 30 / 1. .4 HSM Group 7 with a 7 design, the maximum aperture F1. .4, The minimum aperture F16, with the 8 aperture blades to ensure the bokeh effect, filter diameter 62mm, with filters in generic terms may not be good. Sigma DC EX 30 / 1. .4 HSM HSM ultrasonic motor used to drive the focus, quick but quiet, of course, in the header above the DC motor using DC will not slow to go. .
Shima DC EX 30/1. .4 HSM is a specially designed for digital SLR designed the large aperture focusing boutique, "focusing without weak" optical knowledge on him has been fully validated. With the Canon EOS 400D APS-C format such as body, after 1. .6 x focal length conversion ratio, lens focal length of the actual into this almost 48mm is a traditional sense of the standard lens. Real photo shows that in F1. 4 maximum aperture The lens will show the amazing sharpness and focus outside the natural gradient rounded, but without losing the fidelity of color reproduction high. Built-in ultrasonic motor design, Sigma DC EX 30 / 1. .4 HSM's focus process quick and quiet. Photo line between the face complex scene lighting conditions, to quickly capture those fleeting moments of wonderful pictures, they can only rely on this excellent set lens aperture was large. Finally, the 3000 price of about unique for such a large aperture lens is, you really can not count. .
Tuli AF 16-50/2. aperture .8 DX constant high standard.
AF 16-50/2. .8 DX This is the Tokina for APS-C format DSLR products tailor-made a professional-level wide-angle zoom lens, the release time for the July 14, 2006, 12 groups in its 15-chip group contains three aspherical lenses, 2 SD super low dispersion lens and a low dispersion lens LD general, and he also uses first-class WP (Waterproof) coating process.This lens is tuli AT-X series PRO professional level products, the consistent AT-X series optical products for surface is famous for its fine, AF 16-50/2. DX uses .8 thick aluminum alloy material, exterior paint coating the wrinkles in a comfortable and beautiful. He uses the professional level of the standard zoom lens commonly used 77mm diameter filter plate, volume 84 × 610 grams 97mm, body weight, while also adopted 9 blades of circular aperture components and IF the design in focus.
The lens in the 16mm wide-angle distortion correction and terminal control are rather well hidden corners, but the F2. .8 Maximum aperture edge image quality when soft, it appears like a field of view scene camera on the edge of cover large capacity shortage has become a difficult problem in the field of optical design. 2 files in aperture contraction after the end of wide-angle focal length becomes very uniform distribution of light, sharpness and clarity of the screen satisfactory. 50mm focal lengths when the Tokina AF 16-50/2. .8 DX description of outstanding ability, detail description, and focus are displayed outside the control of professional-level lens optical quality should be.This lens color reproduction ritzy please, pure and gentle color scale, but in the natural lighting conditions on the skin of color reproduction there is a slight tendency to warm. Ultrasonic drive technology of the padding is the tuli optical lens, one of the main defects of AF 16-50/2. .8 DX while using a PRO level focus clutch but remains fast with Coke, whose indecisiveness af driven process is not too quiet. This lens zoom damped very supple, broad focus ring in manual operation also has state-of-the-art touch, tuli AT-X series lens mechanical quality definitely worth appreciation.
Tamron SP90: Macro, Portrait tilapia. .
The Dragon in Vice factory which can be considered a manufacturing strength, a very strong, but they are interested in more concentrated in the industrial area, known as the camera industry, however, in the civilian lens sees the most proud of, and even can be said to be in exactly the original lens is this SP90Macro. SP90 in Dragon series lens position quite similar to black in the position of the lens shima, 135 single player Word mentioned tenglong, SP90 is in any case cannot be ignored by the representatives of the Dragon.
Tamron SP AF 90mm / 2. .8 Macro 1:1 (172E) is a Japanese professional lens Tamron macro lens professional production plants, its imaging quality, price, pleasant, in macro photography enthusiasts enjoy a wide range of markets, and has been in practical the majority of users praise. In order to meet the needs of digital SLR, based on the Dragon in the launch of the new Tamron SP AF 90mm / 2. .8 Di Macro 1: 1 (272E) lens, and the discontinuation of the old with the new (272E) in the front lens on a film, look more fancy, lens more buoyant, but their price increases and appearance, performance improvement may not be on the little match, and the commercial interests do not want to comment, but a personal opinion, by contrast, the old (172E) undoubtedly has the extremely high performance-price ratio. The main mirror is insufficient focus distance short (0. .29m), is not conducive to lighting, is not conducive to a dynamic macro shots.
Classic SP AF90mm F2. .8 Model 172E, the new version of DI is called 272E. The Di meaning "Digitally Integrated Design", is designed for digital cameras. And it has a Macro 1:1 capacity. This rate, however, etc., power can not be overlooked. Its focal length 90mm, aperture of F2. .8, 9 group lens structure 10, the minimum aperture of F32, the largest photographic magnification of 1:1, a length of 97mm, a diameter of 55mm, and weighs 405 grams. .
Shima 70-200mm F2. EX HSM .8.
Topic on the Sigma, the black can not be left classic! In February 2006 listing the macro version of Sigma "black", has recently focusing distance of 1 meter and 1:3. .5 Of the macro magnification. The lens contains two traditional SLD low dispersion lens, and two new top-level high-pass optical rates low dispersion lens ELD, ELD lens of this light source by up to 90. .3%, Close to the level of natural light for fluorite.A wide range of practical results showed that almost all jiaoduan location, this "little black" are macro shows professional excellent picture quality and color reproduction also true photography. 200mm end in portrait photography, gradient fresh, out-of-control is Coke. There is no doubt that this is a balanced and high-quality professional level far zoom lens, the selling price of $ 6760 and Canon, Nikon equivalent specifications of the original lens compared to more price/performance advantages.
With the "luxury" to describe the word "black" is not too much configuration, in addition to HSM, "black" also has two SLD (ultra low dispersion) lens, IF (internal focus, like picking system) and well-designed hood and pure metal tripod then ring. Matt frosted spray the whole process, not only "black" touch up and feel comfortable, and wear resistance and a good extinction effect. "Black" does not use beautiful or expensive metal engraved plate decoration, ordinary black and white printing process created by the numerical results slightly rough mark, of course, is the result of optimizing manufacturing cost.The "black" are also equipped with a standard aperture control on a ring, with "latch" minimum aperture lock, Aperture ring position clear, but there are tight astringent sensations.
Tokina AT-X 12-24/4 Pro DX: rookie shot must be careful. .
Not-so-newbie friends recommended the purchase of the tuli AT-X 12-24/4 Pro DX lens material, is not it or design flaw, but it's just too wide angle lens, installed in the APS format fuselage, tuli AT-X 12-24/4 Pro DX angle equivalent to 16-36mm, so wide angle is actually very difficult to control, the novice is easy to use screen shot is too messy and the loss of value.
Tokina's AT-X series of professional optical products has always been solid materials, sophisticated technology, small as the field within this DX series wide-angle zoom product body, we again see the kind of metal material and the meticulous work well. AT-X 12-24/4 Pro DX mirror cavity with a P-MO ultra-low-dispersion aspherical lens, an SD super-low dispersion lens, and two standard LD low dispersion lens, the film group was a 13 film 11 groups. Metal mirror lens barrel to make this weight reached 570 grams, he mirror of the maximum diameter of 84mm, mirror long 89mm. .
Tuli AT-X 12-24/4 Pro DX distortion control slightly Golden, 12mm tele end in a larger aperture is barrel distortion too much publicity, aperture will improve after the appropriate contract limited. Real shooting tests showed that the overall sharpness of this lens is satisfactory, the picture of lovely sturdy, moderate gradation of vivid contrast. Although there is no support for ultrasonic drive technology, the AF is still very smooth and quick, precise and stable up Coke Coke. AT-X 12-24/4 Pro DX permeated with an optical product-specific cold professional elan, his delicate tattoo thick exterior paint touch-comfortable wear and corrosion technology, has won praise. .
Not only the technology of precise material surface, tuli also possesses the whole process and constant aperture of F4 professional wide-angle zoom lens with friendly prices of $ 3600, and some are in a small field lens on inexpensive plastic parts that tuli in this lens is full of tenderness. AT-X 12-24/4 Pro DX won praise for tuli, but also for ourselves to seek a "little Buddha", however we still look forward to the tuli in optical design can be gradual and sophisticated.
