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Sony SEL1018 10-18mm Wide-Angle Zoom Lens
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- 10-18 mm super wide-angle zoom lens with a maximum aperture of F4
- Minimum focal length of 10 mm (15 mm in 35 mm-camera equivalency)
- Minimum Focus Distance : 0.82 ft (0.25 m), Maximum Magnification ratio : 0.1x
- Superbly detailed images
- Built-in OSS image stabilization (Optical SteadyShot)
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|Aperture Control Design||Aperture controlled by camera|
|Compatible Mountings||Sony E (NEX)|
|Focus Type||Stepper motor|
|Item Dimensions||2.76 x 2.76 x 2.52 inches|
|Item Weight||0.5 pounds|
|Lens Type||Zoom lens|
|Macro Focus Range||0.25 m|
|Manufacturer Warranty Description|
|Maximum Aperture Range||F4.0|
|Maximum Focal Length||18 mm|
|Maximum Format Size||APS-C / DX|
|Minimum Focal Length||10 mm|
|Minimum Focal Range||10 mm|
|Number of Diaphragm Blades||7|
|Photo Filter Thread Size||62 mm|
|Real Angle Of View||109 Degrees|
|Shipping Weight||1 pound|
|Style Name||US Version|
|Zoom Type||Motorized Zoom|
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This item Sony SEL1018 10-18mm Wide-Angle Zoom Lens
|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Adorama Camera||OpticsDeals||Amazon.com|
|Compatible Camera Mount||Sony E (NEX)||Sony E (NEX)||Other||Sony E (NEX)|
|Focus Type||Stepper motor||Micromotor||manual-focus||Micromotor|
|Item Dimensions||2.76 x 2.52 x 2.76 in||2.44 x 0.91 x 2.44 in||71.12 x 2.3 x 71.12 in||60.6 x 2.4 x 1.4 in|
|Item Weight||7.94 ounces||2.61 ounces||0.6 lb||—|
|Lens Type||Zoom lens||Prime lens||Wide-angle||Prime lens|
|Maximum Focal Length||18 millimeters||16 millimeters||12||19 millimeters|
|Minimum Focal Length||10 millimeters||16 millimeters||12||19 millimeters|
|Photo Filter Thread Size||62 millimeters||49 millimeters||67 millimeters||46 millimeters|
Super wide-angle zoom lenses are ideal for taking photos of sweeping landscapes and producing striking images with emphasized perspective. For mid- to high-level users who seek a wider minimum focal length than offered by standard wideangle zoom lenses, the SEL-1018 is the ideal choice.
From the Manufacturer
10-18mm f/4 Wide-Angle Zoom Lens
This super wide-angle zoom lens is perfect for taking photos of sweeping landscapes and producing striking images with emphasized perspective. Features incluse a constant maximum aperture of F4 and built-in Optical SteadyShot (OSS) image stabilization.
When changing your aperture to defocus the background, the light sources appear blurred. This ‘bokeh’ effect of the blurred background can be enhanced with circular aperture blades used in this lens. Conventional aperture blades have flat sides creating unappealing polygonal shaped defocussed points of light. α lenses overcome this problem through a unique design that keeps the aperture almost perfectly circular from its wide-open setting to when it is closed by 2 stops. Smoother, more natural defocusing can be obtained as a result.
ED (Extra-low Dispersion) glass
As focal lengths get longer, lenses built with conventional optical glass have difficulties with chromatic aberration, and as a result images suffer from lower contrast, lower color quality, and lower resolution. ED glass dramatically reduces chromatic aberration at telephoto ranges, and provides superior contrast across the entire image, even at large aperture settings. Super ED glass provides enhanced compensation for chromatic aberration.
Aspherical lens elements
Aspherical lens design dramatically reduces spherical aberration while also reducing lens size and weight. Spherical aberration is a slight misalignment of the light rays projected on the image plane. This is caused by differences in refraction at different points on conventional spherical lenses which degrade image quality in large-aperture lenses. Specially shaped “aspherical” elements near the diaphragm restore alignment of light rays at the image plane, maintaining high sharpness and contrast even at maximum aperture and can also be used at other points in the optical path to reduce distortion. Well-designed aspherical elements can reduce the total number of elements required in the lens, thus reducing overall size and weight. Advanced Aspherical (AA) elements are an evolved variant, featuring an extremely high thickness ratio between the center and periphery. AA elements are exceedingly difficult to produce, relying on the most advanced molding technology to consistently and precisely achieve the required shape and surface accuracy, resulting in significantly improved image accuracy and quality.
The distance encoder plays an integral part in ADI flash metering, which delivers high precision flash metering that is unaffected by the reflectance of subjects or backgrounds. The distance encoder is a lens component that directly detects the position of the focusing mechanism, and sends a signal to the CPU in order to measure distance to the subject. During flash photography, this data is very useful in calculating how much flash output is appropriate to the scene.
Lens-based optical image stabilization
Gyro sensors built into the lens detect even the slightest movement, and the stabilization lens is precisely shifted to counteract any image blur that might occur. The use of precision, quiet linear motors and technology inherited from high-end Sony professional camcorders results in exceptionally quiet, effective image stabilization that contributes to high-quality movies as well as stills.
Only the middle groups of the optical system move to achieve focus, so the overall length of the lens does not change. Other important benefits include fast autofocusing and a short minimum focusing distance. Also, the filter thread at the front of the lens does not rotate, which is convenient if you’re using a polarizing filter.
2012 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Sony is not responsible for typographical and photographic errors. Features and specifications are subject to change without notice.
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Top Customer Reviews
I shoot a Sony A6000.
But for the consumer NEX cameras, we see a scattered, overlapped offering in their list of ultra-wide e-mount lenses. The first kit lens offered by Sony was a compact 16mm f2.8. Then Sony offered an Ultrawide converter attachment for this (VDL-ECU1) which has an effective focal length about 12.5mm. These two, when attached together, are actually quite good optically, for a total price about 300 bucks if you got the 16 in a kit. In addition, there is the Fisheye Converter (ECL-ECF1) in the same series which has a 180° field (distorted) for just 129 more dollars.
Recently Sony came out with the 10-18 mm zoom, f4, with image stabilization, but quite expensive at $850; a completely different approach which almost certainly is designed and made by different people.
Having all of these at hand, I performed a direct image quality comparison. To compare the 10-18mm zoom to the 16mm, I set both to f4. When I added the Ultrawide I matched the field of view by setting the zoom to 12.5mm. I didn't bother to compare the Fisheye to the 10-18 mm zoom because the latter cannot match its field of view.
These were all JPEGs, not RAW. It is important to understand that modern lenses like both these Sony's are no longer just hunks of glass; they are designed to be used with the in-camera JPEG processing firmware, which undoes the inherent distortions found in most wide angle lenses, along with vignetting and chromatic aberration. For lens design, it is no longer so necessary to depend on the difficult correction of glass elements with additional glass elements, aspherics, etc., as has been the tradition for more than a hundred years. Lenses are now part software, and the manufacturers are all adopting this approach. The digital image processing can be observed directly on both these lenses when one is looking at the LCD image and then fires the shot - you'll watch as the replay image comes up, with the whole field visibly altered by software distortion correction. For this reason it would require a lot of skill and Photoshop time to do the same thing manually starting from the RAW images. The downside for users is that lenses can no longer be used on non-Sony cameras, even in manual mode with a mount adapter, because they will look terrible. But it's now a fact of life; JPEG's are the way these lenses are designed to be used, so that's how they should be evaluated.
A summary of my tests of the image quality from the 10-18mm zoom vs. the 16mm (including the converter) is that they are roughly comparable. If one is very picky and studies the finest details, the 16mm has a bit more chromatic aberration but overall may be just slightly nicer than the zoom. Surprisingly, the 16mm+Ultrawide converter images are very good. To look at performance in the corners, I made extra shots which focussed in the far corner because the field of wide angle lenses is not flat. This showed that, at f4, the 10-18 zoom is superior to the 16 in the corners, but it was a moderate difference. If stopped down to f8, the difference is less.
Which should you buy? Photographers on a budget should consider the "pancake" 16 mm plus the Ultrawide converter. Of course it's inconvenient to attach the converter if you are in a hurry, but the availability of the Fisheye is also a big plus and can't be matched by the 10-18 zoom. The 16 with two converters taken together constitute a rather brilliant and cost effective set and I don't know why Sony promotes them so little.
The 10-18mm zoom is a fine lens and superior to the 16mm but only moderately so. It costs three times as much as the 16+converter and is physically much larger. However, it's more convenient and quicker; having a zoom allows one to frame shots and optimize the sensor area. Also image stabilization, unusual on an ultra-wide, more than offsets the one-stop smaller aperture, permitting slower shutter speeds, and is very much worth having.
The 16 and 10-18 lenses are completely different designs - size, cost, convenience, operational quickness - but image quality is actually in roughly the same ballpark. If you can't decide, I recommend the 16mm plus the two converters. I put my NEX in movie mode with the Fisheye attached and walked around a party we were having, stopping for conversations and capturing the whole feel of the event - fantastic footage which would be difficult to record any other way.
++ sharp center and good corners wide open, corners improve stepping down to F5.6
++ fast reliable AF
++ supports DMF (direct manual focus to change focus manually with focus ring after AF)
++ good build quality
++ has a focus and a zoom ring for manual use
++ good lens hood included
++ not heavy
- focus by wire limitations for long exposures (no end position for infinite focus, which makes it hard to focus using long exposure time)
- a little bit high prices
I compared this lens with the Tokina Pro DX 11-16 on a Sony A65 and overall I love this lens for it's compactness on the NEX-6 even if doesn't fit into a pocket, but it's a great and lightweight set for traveling and outdoor activities with a small backpack.