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DT 18-200mm f/3.5-6.3 zoom lens with 35mm equivalent of 27-300mm * compatible with Sony Alpha digital SLR cameras * 2 ED (Extra-low Dispersion) lens elements * 3 aspherical lens elements * minimum focus distance: 18" * minimum aperture: f22 (at 18mm)/f40 (at 200mm) * lens construction: 15 elements in 13 groups * attachment/filter diameter: 62mm *
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Technical Details
- DT lens design for optimum performance- Excellent wide-angle to long telephoto shots
- Fast internal focusing with no change in lens length
- 3 aspherical lens elements for wide-angle accuracy
- 35mm equivalent: 27mm to 300mm
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By Jackal (Singapore)
I looked at this lens, but quickly realised that the Sony 18-250 is a superior solution. For only USD 50 extra you get a lense that:
- Reaches 75mm further (using 35mm equivalents)
- Was introduced to the market two years later.
- Is only marginally larger
By N Doxey (UT, USA)
I will keep this simple. I wanted a lens with the 18-200mm focal length so I did not have to change the lens so much. I am very happy that I purchased this lens, I hardly take this lens off my A300. The most important thing for me is value and quality. The results are very good.
By Avedon if only (Huntington, CT United States)
As an oldtime Minolta 35mm photographer, I was excited when Sony took over the brand because I thought all my old lenses would have a new lease of life. But that didn't happen - about three years ago I purchased the 18-200mm Sony zoom with an A100 and shot comparisons with my Minolta AF lenses. Results looked identical or the Sony lens was better in some cases which meant that all my old Minolta lenses stayed in storage. So for the next year or so I only ever traveled with one camera and one lens - for the first time in my life. The 18/200 lens was a fantastic creative tool and very reliable but after a while I started to find its limitations. It's slow, and even with the in-camera stabilization of the A350, low light shots were disappointing. Some reviewers report high noise problems at relatively low ISO, but I very rarely get visible noise in pictures because I don't shoot in the dark with this lens. I started being more critical in reviewing my photos and had to admit that edge sharpness wasn't perfect with chromatic aberration and flare in highlights, although this was usually only apparent at print sizes above letter or A4. I decided to go back to basics - carrying prime lenses around instead of zooms. I bought a Sony 50mm f1.4 to start, which is an absolutely amazing lens. Obviously very fast, but tonally accurate at any aperture and razor sharp. Only problem is that not every photo I want to take, fits into a 50mm focal length, which is I think equivalent to about 75mm in 35mm full frame. The difference between the stated focal length of a lens and actual focal length on a digital camera is to do with the size of the sensor, and as each brand and even each model have varying sized sensors, it's difficult to be certain.
[In case you never shot 35mm, the actual negative "full frame" size is 24mm x 36mm which gives a diagonal of 43mm - the so-called "normal" equivalent of a human eye's coverage, ignoring peripheral vision. Photographers decided that around 50mm was normal, so anything lower than that became a wider angle, anything higher was a telephoto. But digital sensors come in many sizes all the way up to "full frame" which means the diagonal changes too. So a 50mm "normal" lens will be a telephoto on a digital camera if the diagonal of its sensor is say, 30mm. The actual distance that a light ray travels from the front element of the lens to the sensor or film plane, gives you the focal length of a lens. Zoom lenses vary focal lengths by moving lens elements, mirror telephotos by bouncing light backwards and forwards inside the lens housing. If you divide the focal length of a lens by the diameter of the front element, you'll get the f stop, which is why "fast" lenses have wide front elements. Slow zoom lenses like the Sony 18/200 sacrifice a fast f stop for smaller, lighter optics].
Although the 50mm f1.4 is so sharp, I was still itching for the creative framing freedom of the 18/200 zoom. So now I'm back to the bad old days - I carry around an A100 with the 50mm Sony attached, and in my bag I have an A350 with a Sigma 28/70 f2.8 zoom, a Sony 11/18 f4.5/5.6 zoom together with the big gun - the expensive and very heavy, but truly extraordinary Sony G series 70/200mm f2.8 zoom. So now I can take sharp photographs of almost anything in semi-darkness if required, but I'm lugging about 6 kilos of gear. My wife thinks I'm crazy - she likes using the Sony camera, so now she has her own A350 with my old 18/200 lens and is very happy with the results. In the end it depends what sort of a photographer you are, and what you do with the photos. I'm carrying a big bag of tricks that will photograph anything to a very high standard - but it's not very convenient on vacation ! The Sony 18/200 zoom is not up to professional standard, but for the price, performance and convenience it's hard to beat for everyday use.
By E. Movsesian
Purchased this lens prior to my trip to Mexico and very glad I did. I'm still new to Digital SLR so technically, I can't elaborate but I will say that not having to carry three lenses with me on my photo shoots was awesome! I could attach this lens, pocket a couple of filters and shoulder the camera as I hit the beach or the nature trails of Playa del Carmen. This was certainly one of the best investments I ever made. Consider the 62mm 1-A filter for general purpose and protection and also the UV and Circular Polarizer filters for outdoor use. My photos have been phenominal and the rave reviews from friends makes me know that in spite of my pro skills with the camera, the lens is making up for it! A must have for Sony Alpha Owners or as in my case, the Minolta Maxxum 5D.
By H. J. Beth (Oak Bluffs, MA USA)
As a professional landscape photographer who feels compelled to carry a wide variety of lenses, I found this lens has helped me lighten my carry on case. This is a versitile lens that provides fine steady quality under most landscape conditions. It replaces 3 lenses that I used to carry on my travels. The reproduction quality that I get from most enlargements from my new alpha 700 with this lens is top quality. As others note, I wish it had sturdier materials but if it gets banged up, it is reasonably inexpensive to replace. If you add a set of macro filters, it does a great macro job on flora. You will find that on most shoots, you will likely use this lens over 75% of the time. That helps keep the dust and dirt from getting on the sensor when you change more frequently as I used to do.
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Buy Sony DT 18-200mm f/3.5-6.3 Aspherical ED High Magnification Zoom Lens for Sony Alpha Digital SLR Camera Now
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