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Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Nikon Digital SLR Cameras Review
Hello: I dont want this to be too lengthy, boring & too techie, just the truth for real world usage.
I just received the lens today and I would like say that it is nice looking lens.
Build quality is very good…metal mount, matte finish, and high impact plastics.
*Overall length does not change so that means no dust or dirt could easily go in the barrel. With a zoom lens, I noticed that when zooming in and out, the lens is like a vacuum, sucking in dusts and dirt, if your not careful.
Here is a few things that I would have liked coming from this lens:
*2.8: nice but usage only on the wider end of 18mm. Not throughout the zoom range like the competitors.
*HSM (Hyper Sonic Motor): not as quiet or fast as I would like but it gets the job done. It’s more of really quiet clicks…not like my Nikon SWM.
*OS (Optical Stabilizer): not as good as I liked it to be.
*Lens Hood: a tad longer than competitors. It should block light strays though…
*I wished that it would have come with those fancy Sigma lens pouch to keep it in 
I mounted this lens on my Nikon D2H and D90. The lens is sharp but not sharp enough. I guess it depends on the size of the pixels too (D2H 4MP vs D90 12.3MP). Which camera will win??
Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Nikon Digital SLR Cameras Feature
- Lens Construction – 16 Elements in 12 Groups
- Angle of View – 69.3 – 27.9 degrees
- Number of Diaphragm Blades – 7
- Minimum Aperture – F22
- Minimum Focusing Distance – 30cm/11.8 in.
Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Nikon Digital SLR Cameras Overview
An upgrade to its predecessor, the 18-50mm F2.8-4.5 DC OS HSM is a lens dedicated to digital SLR cameras with APS-C size image sensors offering a large aperture and Sigma’s Optical Stabilization. Once again, Sigma has also engineered the built-in OS function, an anti-shake system, for Sony and Pentax mount allowing the photographer to see a stabilized image in the viewfinder. The combination of the large aperture of F2.8 and anti-shake function makes capturing exceptional photos in low light achievable, and the wide angle is well suited for indoor photography. Two SLD (Special Low Dispersion) glass elements and three Aspherical lenses provide excellent correction for all types of aberrations. The Super Multi-Layer Coating reduces flare and ghosting. Designed with inner focusing and inner zooming systems, high image quality is assured throughout the entire zoom range. The overall length of the lens does not change during focusing and zooming ensuring convenient handling. This lens has a minimum focusing distance of 11.8 inches (30cm) throughout the entire zoom range and a maximum magnification ratio of 1:4.1. The incorporation of HSM (Hyper Sonic Motor) ensures a quiet and high speed auto focus.
Available @Amazon More info…
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Customer Reviews
Good Quality Lens for the Money – M. Carey – Southwest Michigan
I bought this lens as an upgrade from the kit lens (18-55 IS) on my Rebel XS. I’m quite pleased; although, the lens is not as sharp as I’d expect at the larger apertures in low light. It’s still much better than the Canon kit. I’m just getting back into “digital” SLR photography from my “35mm” college days… so, I’m learning as I go. Overall, I got more than expected for the price tag (9). I figure this will be a great lens to learn with and later, I’ll upgrade as my skills progress. I’m an industrial designer, so I’m really sensitive about craftsmanship (build quality), use of materials, etc. I must say I am impressed overall with the lens in this regard. It’s much better than some reviews of Sigma lenses might suggest. Particularly, I liked the rubber grip details and the use of filled plastics for impact strength. Nice job Sigma! I was a little hesitant about 3rd party lenses… won’t be an issue going forward.
Good features for the price – Charles Kearney – Texas
I purchased this lens to replace the 18-50 kit lens on a T1i. I am pleased with the construction and performance of lens.
The auto focus motor is not as fast or quiet as the canon USM. It is faster and quieter then the kit lens. I would say it is in between the two.
The Optical stabilizer is good but under performs the kit lens. This negates the 2.8 aperture some when comparing it to the kit lens.
Unfortunately I will return this lens. The deciding factor is on my particular T1i the lens purchased does not auto focus correctly. At 2.8 aperture with its narrow depth of focus the auto focus can not be used. It is a real shame that Canon does not add the AF micro adjust feature to the T1i. I would keep this lens if I could calibrate the camera for it.
Fantastic – Alan Killebrew –
I have been shooting with this lens for just two days…just two days and I am already relieved of the pain of the kit lens. The f/2.8 is incredible…I can capture photos I have been dreaming to capture. This simply is a great purchase. If I had the money for the 800 dollar 17-70 Canon lens I may have bought it, but now that I have purchased this lens I am much happier to have spent 1/4th on this lens.
I recommend this lens to anyone and everyone for a substitute for the Kit 18-55mm lens.
*** Product Information and Prices Stored: Feb 08, 2010 14:45:23
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Tags: $199.00, optical, 18-50mm, Rebel Xsi Accessories, aspherical, stabilized, f/2.8-4.5, cameras, digitalRelated posts
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- Tags: $199.00, 18-50mm, aspherical, cameras, digital, f/2.8-4.5, optical, stabilized
Choosing the right camera for sale
8 Feb 2010Buy a case of choosing the right camera, you should consider the following. The cameras are generally divided into two main categories: point-and-shoot and shared reflex (also known as a 'matter SLR). "Point-and-shoot camera is no camera, digital or film that is not an objective detachable .
Most point-and-shoots are compact and lightweight. Almost always zoom functions (optical and digital). If you are a beginner out, you probably alreadyhave a point and shoot camera. A reflection of the side who have the possibility of a removable or interchangeable. Moreover, usually offer much better chance of controlling the camera. You will be able to fire fully automatic and full manual and other ways, such as opening or shutter priority. The gap is the largest and probably the most important difference between a digital point and shoot with a digital SLR, isThe picture quality is anyone can do.
While the point-and-shoot cameras have their advantages, which are lightweight, easy to use and less expensive than a reflex. You can not use digital SLR cameras in terms of image quality. In fact, one of the largest digital SLR image sensor, a sensor provides a larger, larger pixel quality. These larger pixels produce a much higher quality. The higher the quality of images produced by aSLR because of its capacity expansion are applied in many markets, more than a point and shoot deductible. The compact can with 8 or 10 megapixels, but still boast of their image sensors are smaller and this means that the pixels are smaller.
A digital point-and-shoot
Most professional photographers, a compact point-and-shoot camera, bring with them, mostly. Some will even say that never leave home without it. I think we all agree that lower-quality photos made with a point-and-shoot is better than no picture. If you have a compact package immediately point-and-shoot, you try to have at least five megapixels to 8, to obtain.
If your camera with digital zoom, you should not show. Turns it off. Digital zoom only a small part of a sensor too small. Search OK Even if your computer can not print well. Most cameras allow you to disable 's> Digital Zoom. What you need to do, and ignore the fact that everything said by the seller, you have the digital zoom. A good camera should be at least 3 times the "optical" zoom. The best are at least 6 to 8 x optical zoom. This means that the objective of changing the focal length and always with the full sensor, unlike the digital zoom. If the device does not have a good optical zoom, do not buy it. You lose your money.
The size of the LCD screen is also important. TheThe more the better. If your eyes are bad, is the quality of the LCD and the size of the utmost importance.
Stay with established brands like Nikon and Canon. They make an excellent point-and-shoot cameras. Are usually on top of the line. Sony has some good point-and-shoots also, but the material is protected by copyright. This means that it is not good with hardware and accessories mix with other brands.
Digital SLR
Most will say, a professional photographer Note that a preference in brands of digital cameras is largely dependent on how the car feels and handles, and the ease of use. Sensors of high quality and pixels for a certain brand of camera in the highly competitive market of today. All professional cameras are robust, and many have a lot of water resistance. With water in the group, it is possible, rain, fire and snow and never has a problem.
The main actors in the digital environment> SLR photography today are Canon, Nikon, Olympus, Canon and Nikon at the top. The big advantage to stick with these brands is that they have been in this long. They are not liable (to the failure so that you and a group of devices that can not sell, upgrade or repair). And if you stick with Canon or Nikon, you have a wide selection of accessories to choose from.
The rest goes to prizes. More expensive cameras giveshelf life and larger sensors. More expensive cameras and sensors for better image quality are even more at higher ISO with less noise in shadows.
Choose the reflection for you
The only price you will find your destination, while the mark will help further narrow the search. Nikon and Canon are the main actors. Both cameras are great and really have a choice of lenses and accessories. Every brandeasy to sell, if you're ready to upgrade.
Beware of Sony. Sony cameras require special adapter that everything is not out of Sony – the studio lights, flashes outside, so use with Sony equipment is generally more difficult than it's worth it.
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The advantages of digital SLR
7 Feb 2010In recent years, people like to capture the special moments of their lives has changed. Almost ten years ago which has left two rolls of film for every major event of the second type. After the birth of digital technology, more and more of the advantages of digital cameras clothes. These devices offer an easy way to take pictures. Film has been replaced by large memory and worry to verify thatenough space to store your photos.
This can be done quite easily, since the range of memory cards on the market at very low prices is virtually unlimited. Moreover, there is no problem, added a memory card, if you're traveling, because it is very small and easy to carry. Then simply transfer the photos on your computer and do whatever you want with them. Digital photos can be much easier with friends from different parts of the worldtraditional image.
Another thing that has changed is that people are becoming more creative and explore new opportunities for photos. While basic digital camera, great pictures, can be almost too easy to pull a further step a little bit '. After more control over the images they take and the benefits of digital photography is very attractive to many people. Single-lens reflex (SLR) digital cameras can providedass
This is probably why I became so popular in recent years. With these cameras, you can enjoy the pleasures of traditional photography, all the manuals and in full control of all functions and convenience of a digital camera. The camera has autofocus faster than conventional plants, so they do not have to worry about the record is not in a situation in a moment of concern, because you have no time to adjust everything manually. This makes particularly suitable for sports photography, in which things happen very quickly and you could cover all the action.
Another great advantage of SLRs is that the photographer can change the lenses. In this way you can experiment with different models of different shots to take and see what fits best. You can also old lenses on some models of cameras. If you want detailed photos and shoot from a distance, you should use to invest a telephoto lens. With> Digital SLR will also give you full control over zooming. This can not be achieved with a normal digital camera. If you do too much with a normal camera, trying to zoom, it is likely that the image is much noise. However, with a good SLR camera, you can take sharp photos even at high ISO.
If all this is not enough, you can further improve the performance of the SLR camera with accessories. These include a telephoto lens, external flash and amany other things. The possibilities are more than you can imagine.
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Walkstool Comfort XXL, 26 High Extra – Extra Large Portable Tripod Stool, Supports up to 550 lbs.
7 Feb 2010
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Great Price Tamron AF017M-700 for $154.95
6 Feb 2010Tamron AF 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens for Konica Minolta and Sony Digital SLR Cameras Review
As a former Minolta Xi owner, I use a Sony Alpha 200 DSLR. The old Minolta D lenses work on it, and I always had good luck with Minolta equipment. The A200 came with the 18-70mm kit lens and needless to say that is ok but not even great. It is a light/plastic build with not near the reach for an everyday lens. I fixed that with a Minolta AF 24-105mm f3.5 D that is soooo nice. Still, that doesn’t reach out like I needed to shoot pictures of our grand kids at play. The answer was this Tamron AF 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens for Konica Minolta and Sony Digital SLR Cameras. I found one for 9. I was skeptical because I just bought, tried, and sold a Tamron 28-200mm zoom. That lense was well built, but the autofocus would just hunt and hunt, it drove me crazy in one outing. Still the reviews for this other Tamron beckoned, and I thought what the heck, I’ll try it. The worst that could happen is I’ll hate it like the other Tamron, and sell it. BUT I LOVED IT INSTEAD. It is solidly built. It is light weight for it’s zoom range. It weighs less than my Minolta 70-210 f3.5 zoom. I took the Tamron 70-300 and went out and shot the kids on a dark overcast day on the trampoline at full 300mm opening and wowzers the pictures were awesome. I set the camera to “Sports” and fired away. I shot 30 pictures or there abouts. The lens stopped my grand daughter’s pony tail in mid flight. It was so sweet. Only had 2 blurry pictures, and they weren’t bad, in fact sometimes it’s cool to show motion. At 70-300mm that comparable 35mm reach is 105-450mm. There’s no lens creep, it is all solid and the balance with my dslr is really nice. This baby will reach out and touch when the kids are on the playground. We’re grandparents raising an autistic 5 year old. He is really active, and my former digital camera didn’t stand a chance. I’d have to get too close and by then the great picture was gone and the snapshot was all that was left. This is the best buy in a long zoom I ever made. I don’t do reviews, but I just had to say Thanks Tamron, this zoom ROCKS!
Tamron AF 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens for Konica Minolta and Sony Digital SLR Cameras Feature
- 70-300mm macro lens with f/4-5.6 maximum aperture for digital or 35mm cameras
- Easy-to-use macro switch lets you alternate between 180mm and 300mm focal lengths
- Minimum focus distance of 59 inches from subject (normal) or 37.4 inches (macro)
- 9-blade circular diaphragm provides beautiful soft-focus imagery; 62mm filter diameter
- Measures 3 inches in diameter and 4.6 inches long; weighs 15.3 ounces
Tamron AF 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens for Konica Minolta and Sony Digital SLR Cameras Overview
Tamron now offers a lightweight, compact, high-image-quality telephoto zoom lens with macro capability of 1: 2 that can be used with digital cameras. This new lens is a Di type lens using an optical system with improved multi-coating designed to function with digital SLR cameras as well as film cameras.With this 70-300mm telephoto zoom lens, flipping a macro switch in the focal length range of 180mm to 300mm obtains a maximum magnification ratio of 1: 2 at a minimum focus distance as short as 37.4″, enabling close-up shots of flowers, insects, and other objects that normally require the use of a specially designed macro lens. Moreover, this is a zoom lens that casually offers the distant capture and foreshortening effect pleasures of the 300mm ultra-telephoto world.
Tamron AF 70-300mm f/4.0-5.6 Di LD Macro Zoom Lens for Konica Minolta and Sony Digital SLR Cameras Specifications
It’s never been easier to capture great action shots than with the Tamron AF 70-300mm macro lens. Delivering superior image quality for both digital SLRs and 35mm film cameras, this flexible lens lets you zoom in extra close when shooting moving subjects, such as athletes on the field or children running or playing. When used with a digital camera, the lens does even better, producing a super-telephoto 35mm equivalent of 465mm–unbeatable in almost any other lens.
Macro Switch
The lens offers an easy-to-use macro switch that lets you alternate between the 180mm and 300mm focal lengths, letting you enjoy true macro photography with a telephoto effect at a maximum magnification ratio of 1:2. The minimum focus distance, meanwhile, is 59 inches from the subject in normal shooting ranges, but when you flip the switch, you can get as close as 37.4 inches. And as an added bonus, the lens boasts a nine-blade circular diaphragm that provides beautiful soft-focus imagery for a professional result. Now you can showcase all your photographic talent with close-up shots of small flowers and insects in parks or in the wild, or any other beautiful small object you discover.
Coatings
Tamron has also adopted various countermeasures against ghosting and flare, common problems in digital photography. The lens employs internal surface coating and new multilayer coating technology to minimize reflections that occur when light enters through the front element, while also reducing image-degrading effects caused by the imagers themselves. The strictest quality control standards were also applied to increase resolution performance and prevent flare due to aberrations, resulting in a telephoto zoom lens ideal for photography with digital SLR cameras. This is one lens you can use with confidence.
- Lens construction: 9 groups and 13 elements
- Diagonal angle of view: 34 to 8 degrees (at 21 to 15 feet)
- Type of zooming: Rotation
- Diaphragm blade number: 9
- Minimum aperture: f/32
- Minimum focus distance: 59 inches in normal setting; 37.4 inches in macro mode
- Macro magnification ratio: 1:2
- Filter diameter: 62mm
- Accessory: Lens hood
- Dimensions: 3 inches in diameter and 4.6 inches long
- Weight: 15.3 ounces
Available @Amazon More info…
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Customer Reviews
I like this lens – Timothy M. Headley –
With the rotating front lens when you focus the use of a polarizing filter is a 3 step process. I like this lens.
Great telephoto lens for the money – B. Bernardo – Chicago.IL
I have used this telephoto lens with filters, with teleconverters and it works seamlessly with my Sony SLR. No problems noted. I highly recommend it to anyone looking to supplement their kit lens. It also definitely makes a difference that the stabilization for the Sony is on the body of the camera and not dependent on the lens like Canon or Nikon.
Nice for a telephoto (as a secondary lens) – John R. Middleton – Concord, NC
This is a nice telephoto lens. You will need a wide angle lens for general photography. The macro function is a bit ackward since you must be 10′ away from anything you are trying to shoot. Overall, I would buy this lens again for my Minolta Maxxum 5D. I put a skylight filter on it for protection.
*** Product Information and Prices Stored: Feb 05, 2010 11:15:30
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Memories are always created. And when I say everywhere, I also believe that memories are created underwater – so the creation of a digital camera under the water.
A digital camera under the water is not only to capture underwater memories; some professional marine photographers also underwater cameras of their business. Even marine biologists and scientists use underwater cameras to study the marine life of digital capture and thus in a position for life and property of marine life. But I think it’s safe to assume that you, dear reader, are neither a marine scientist nor a professional photographer. As you are to me only a few pictures junkie who wants to capture underwater moments and just can not, without destroying them, as the cameras FIG.
Please hear me when I say that even waterproof cameras can not withstand underwater photography. To be waterproof to withstand the water at a certain level, which is the immersion in water to get the perfect shot, as expected throw out the window, a pick-up pass and run over it.
Well, if you’re really serious about the track a digital camera under the water, this crazy and funny moments underwater, I suggest you buy special camera.
There are rarely underwater digital cameras are electronic and can not withstand water and water pressure. The closest electronics has ever produced underwater cameras that produce digital underwater housing for digital cameras. These fields will turn the traditional digital camera into a digital camera under the water.
If you have pictures with your digital camera under the water, you should avoid having a couple of things that are the best underwater images.
Note that you continue under the water, diffused light. This means that digital camera images to appear darker than the pictures you have, while in the country – is due to light scattering spectrum of water to produce red darker. To avoid this, use white balance come with natural colors. Also included are underwater photos get more photos on the floor with the same zoom effect. Remember to check the viewfinder of the camera under water to determine the angle of the image and size you want.
A digital camera with water, with their built-in flash will produce marine show phenomenon. This is a phenomenon where you get your picture as blurry and with white particles floating on it to prevent this, you should use an external flash for your water camera.
Before your digital camera under the water, in water before testing for a few seconds, then leak through the wrapping. Make sure that no grain of sand or a piece of hair is clamped between the seal to ensure that water is not permeate the case and thus wet your camera in the process. It is also advisable to put silica gel or two inside the housing of the camera under the water, not to disturb the functioning of the device. (Silica gel will keep the formation of moisture in your case.)
Most underwater digital cameras equipped with optional lenses. Do not be afraid, do not add to your kit lens digital camera underwater. Macro lenses can capture the small things, without being too close and startling your subject.
Also, remember, always wash of salt when you’ve used in salt water. If salts are not washed, they crystallize over time, causing a leakage of sand in your case. To proceed in cases where the sand seems, if they are better washed with water jets.
Check out Sony, Nikon and Canon underwater housing for the site for digital camera.
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- Check Out Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Nikon Digital SLR Cameras for $199.00
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- Choosing the right camera for sale
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- The advantages of digital SLR
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- Great Price Tamron AF017M-700 for $154.95
- UNDERWATER DIGITAL CAMERA: Mapping MOMENTS UNDERWATER
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