Monday 23 August 2010

Superb Lens at half the price of Canon's 18-55 f/2.8

Advantages: fast / accurate autofocus, rugged, robust construction, easy replacement, sustainability, and all strong, high quality

Cons: No FTM
Talk award. I must say I was surprised how much. Honestly, most of what I "L" to say that the quality of the lens. It's a bit 'soft f2.8, but F4 and it is incredibly clear and the color contrast is great.
The operating system ("Canon in terms) work in a calm objective, like a charm. This figure is comparable to the Canon I have never used one. I like the crisp images usually the second with a shutter speed 4 bass.
To guard against one thing, the goal, said the FTM (full manual), although HSM (USM in terms of a canon of the heart) of the engine. Since I got my hands sometimes, but the focus ring, gets a little too distracted from the aim quick tour, which can run without disturbing the ring must move your hand slightly Masu. I think I'm used to very soon.
It is a well constructed goal. Can not shake, it is stretched, as 50mm. He has a lot to feel solid, it feels good, the zoom ring. Also, 17mm is a zoom lock, considering how integrated into the objectives, I can use Kuripuzumu also had problems. The lens has a sense of class tools.

This lens manufacturer has guaranteed four years. It gives me peace of mind.

So in everything, all 17 mm f/2.8 Canon 55 mm case is just as good in my opinion, is about half the cost of obtaining the goal

Sunday 22 August 2010

Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Canon Digital DSLR Camera

Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Canon Digital DSLR Camera


Product Description
New 17-50mm F2.8 EX DC HSM OS Sigma 17 mm large aperture standard zoom lens covers the range of focal lengths from wide angle and F2.8 throughout the zoom range, providing a large opening is ideal for a wide selection photo production, mainly portraits and landscapes. OS, anti-shake Sigma bepossible about 4 times longer than would otherwise be possible to use shutter speeds. The functionality of the operating system, a stable viewfinder image for options, Sony and Pentax users, the functionality can be provided in the Sigma. HSM ensures fast and quiet AF. Aspherical glass lens shape, a hybrid of two people and all aberration is the excellent performance of the elements of compensation equivalent to the sigma glass fluorite FLD own. Multi-layer coating reduces glare and rough. This lens offers excellent peripheral sharpness and clarity, offers high-contrast images with holes up ail. With a minimum of the range of magnification ratio of 1:00 for 5 minutes at a distance of about 11 inches. Are you ready for some photo opportunities with little existing light or with flash can shoot so fast, in the range of the hole should be. This Sigma lens is not perfect. Small size and weight, you must add to bag the camera image sensor APS Communications - the size of C or 35 mm SLR camera with a digital camera that, when used keunwa Note vignetting occurs.

Product Details


  • Amazon Sales Rank: #5019 in Camera & Photo
  • Brand: Sigma
  • Model: 17-50mm f/2.8 Canon
  • Dimensions: 3.30" h x 3.30" w x 3.60" l, 1.20 pounds
Features
  • For use with smaller chip APS-c or 4/3 digital cameras only
  • Offers Sigma's OS System (Optical Stabilization) allowing handheld photography even in low-light situation
  • HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
  • FLD glass elements with performance equal to fluorite glass for compensate for color aberration
  • Ultra compact with overall length of just 3.6
Amazing Lens

This lens is incredible!

Canon 7D, and 15 ~ 85 mm kit is what I use it for. However, some four months later, was frustrated by a very bright tone. I stress that the sound you hear, but also catch up with Canon and Nikon lenses also considered that the cause of the problem. I compensated for the loss of quality special filters to buy, though, but a few ways to do this will be difficult to use the camera decided not to work. However, even if the exposure is not the way I want, adjust the photo shoot, the data is simply too much or too dark, some of the pictures, because it does not exist, the balance was not the brightest.
Sigma 17-50mm f/2.8 lens, so I decide to buy this, and I could not believe my eyes. When I arrived, I compared the two lenses through your window and take some photographs of clouds and brilliant tone, if you know the difference, I sent them to the computer after you compare the quality of Canon lenses is not allowed. Sigma is much more saturated colors, and much more information had been. This advantage (zoom, etc), but the quality of glass is a big difference with this is fair because the Canon and Sigma 1915-1985 can not be compared, I understand. Do not get me started focusing ... It is very sharp! Operating System, AF, big hole, but also a huge advantage.
My copy only to find the problem, if not use if you shake hands, rattle, and when something in the camera. This is a very small voice that gave her does not affect performance, but I was not worried. I'm back, but new, but the two are not identical copies. It can be overreacting, but people will notice this too?
You can see more than a matter of past BTW, if you build on this lens is quite powerful.
various environments (natural, etc.) After taking about 1000 photos, I can not recommend this.
And one more thing: I am the 1917-1950 attempt to venture to the store Tamron, AF, and very disappointed. I also have Canon glass, bright colors and the quality is very similar also found that exposure to bother me.
I highly recommend the lens!

After spending an hour with the Tamron and Canon competitors

Then, go back and forth between the three main competitors had launched. If you are looking for this, probably 2.8 Tamron 17-50 venture with the more expensive Canon 18-55 2.8, but much loved for many years the weight of the material. I finally broke down and went to the store to wrap your hands around the three, a shooting of a video comparison of some focus ring / zoom and the company / operating system and test Futz not completed before the professional quality of 'image, but you can easily find a comment online. In many parts of the Tamron and Sigma do not have the same low distortion Bokeh. Tamron also clear that some are 2.8. 2.8 sigma when I point the camera in a window or light source is easily visible in the corners of some circular distortions do not have to. Basically, I draw the image quality between the lenses was determined. Canon is a test a bit 'better, but I really want in the first 2.8-room, I WAS getting all kinds of sense to see through the lens to find. I was in town for pro shop and rental customers and other adverse conditions, experts and if you have experienced a sense of my question, said nerago. So in the end all in terms of quality difference between 3 optical lenses is very little decided.


The price for the left, the handful of construction and vibration control.

Price: Canon is about $ 1,080, Tamron rebates, with about $ 550, $ 640 for Sigma is that you (including taxes), depending on the point of sale

Channel: Canon has the best overall treatment. I am concerned mainly with high-end video recording, so the Focus range is particularly important as focusing ring (soft) because the handle. The front is the Canon wins hands down. Since hitting the beach, keep the focus ring if you know you up, not you. Both Tamron and Sigma are hard to stop. Canon also, so if you can follow the focus and follow focus should be equipped to provide the flexibility, this is the life much easier. Sigma Tamron, but only 20% had a longer range than the latter. Tamron ring was taken a bit 'nervous. If I apply the pressure outside of the ring does not stick. Sigma was a soft, slightly damp cloth. However, it is super close. It 's the only complaint about this. Your habit of judging the most significant attention from home, the number and skills of the killer can pull this off. extraordinary sensation of the ring, not challenging but not impossible. That will be easier to attack than Tamron Sigma, discovered thanks to the quality of the Rings. For video applications, the problem of auto-focus has nothing to do. Are you a career, super quiet, but you probably have this type 9 manual anyway. The extent of development of these (what I mean around the ring road) and Sigma limited use because it is the video, are still on the Canon Paying $ 475 more I'm thinking of leaving. This is what I would buy a Canon Sigma is the only reason.

Build: As I said the other ratings, Sigma is solid. It feels good. The fact that Canon zoom ring to beat your brain. Lighter than the Canon, Tamron, but made with more robust materials. In terms of construction, I think Sigma has been assigned.

Vibration Control: After all my tests, it is difficult for me at the front was measured. With Canon, a company are clear. It 'also evident with Tamron. For some reason, despite the obvious difference that I will not flick. If the image is in fluid communication can enable or disable the device seems to be moving. Under the guidelines, the OS is using the shutter button kicks. However, I put my ear to the goal, the operating system of the tower can rest saeeopyi. It 'very quiet, but you can get a microphone on the camera. However, I am satisfied with the image of the cake. Tamron and Canon you and your company / times are you can hear. Therefore, in close collaboration (as Canon does not contain a noise not associated with the operating system and the new lens, Sigma) is.

Rap-Up: Sigma, and a few other little things are the problem, then you have money in the world video, you can get the Canon. Canon Sigma feel better than I, but the purpose of ringcheoreom Canon big difference. The person feels less weight and large hands. However expensive Tamron, caught the ring of focus and feel free e. Shooting video or still, I choose Sigma Tamron

Saturday 21 August 2010

Sigma 70-300mm f/4-5.6 DG APO Macro Telephoto Zoom Lens for Canon SLR Cameras

Sigma 70-300mm f/4-5.6 DG APO Macro Telephoto Zoom Lens for Canon SLR Cameras


Product Details
  • Brand: Sigma
  • Model: B000ALLMI8
  • Dimensions: 3.00" h x 3.00" w x 4.80" l, 1.17 pounds
Features
  • Optimized for use with digital SLR cameras
  • Multi-layer lens coating and lens design reduces flare and ghosting
  • Minimum focusing distance is 37.4 inches at all zoom settings
  • Features 14 lens elements in 10 Groups
  • High-performance lens ideal for portraits, sports photography, nature photography
Sigma APO 70-300 mm F4 - 5.6 DG Macro Canon Digital SLR camera phone pictures and zoom lens macro operations. High-performance, two Special Low Dispersion (SLD) lens group toward the front and rear lens digital camera lens. It is 1:00 bunwa 2 300 mm, length portrait lens, sports photography, nature photography and photographs are often used to extend the maximum length of a stroke in other images.

Multi-layer lens coating and lens flares around, this is a common problem with digital cameras, but throughout the zoom range can be created for the Reduced color balance right. The wide range of light, characterized by a high zoom. 200mm and 300mm macro on a photo in normal mode the minimum distance of 37.4 cm by 59.1 cm focal length at a distance, not all settings to expand the focus has to change a switch.

Good telephoto lens if you're on a tight budget
I have this goal (previous APO 70-300mm Sigma is super, Mr. Jeff Kershaw review), is also very L - Series Lens The lens unfair comparison disagree, or $ 500, because the lens on how to start production at a very specific high optical process. Porsche more than 4 times the price of the Honda Civic starts slow, these lenses to compare. Similarly, civil society, Sigma Lens balanced, good for beginners consumer SLR photographers, and maybe even a tight budget, some "pro-consumer", and also students. $ 130-225 for a lot of research on price range telephoto, this lens (before buying) was included in the price, this lens is an excellent choice. What I "double" (which starts from an image inverted light ghostly shadow to create the target while avoiding internal reflections on the lens, the APO favorite), usually appears in nightshots. APO lenses, day (chromatic aberration) in high contrast (the sky like a bird in flight can be seen), that "reducing bokseulbokseulhaneul purple. Of course, this lens is the Canon L series and Porsche, the price range you can hit the spot for some people. I mainly use the camera for macro shots is 24 blocks away, the Empire State Building taken from my roof. The lens on the Canon 75-300 f/4-5.6 USM III, generally regarded as the benchmark is the price range telephoto lens is better quality than clear.

These objectives are also there (despite the name of the version is closer than others), so you can buy with caution. This digital SLR, especially for APO DG Macro is a version of what is listed here (the lens of "official" name of 70-300 mm F4 - 5.6 APO DG Macro) and non-bits (but expensive in the lens APO version of the value of everything). In addition, APO 2, the "old" version, I do not know the quality of the list, but I have more models that can be found here that I know the age.

Summary: If you like a limited budget, it is clear that this price is good. There is an image of the lens in the range of $ 600-1800 spending does not start until the beginning of a significant increase in the next level.