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Sony SEL1670Z Vario-Tessar T E 16-70mm F4 ZA OSS
|Price:||$998.00 & FREE Shipping. Details|
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- Carl Zeiss mid-range zoom lens
- Minimum Focus Distance : 1.15 ft (0.35 m), Maximum Magnification ratio : 0.23x, Focal Length : 16-70 mm
- High lens technology in a compact body
- Optical Steady Shot image stabilization
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|Aperture Control Design||Aperture controlled by camera|
|Compatible Lens Hood Part Number||ALC-SH111|
|Compatible Mountings||Sony E (NEX)|
|Focus Type||Stepper motor|
|Image Stabilization||OSS (Optical Steady Shot)|
|Item Dimensions||2.64 x 2.64 x 2.95 inches|
|Item Display Weight||0.57 pounds|
|Item Weight||0.68 pounds|
|Lens Type||Zoom lens|
|Macro Focus Range||0.35 m|
|Manufacturer Warranty Description|
|Material Type||Metal mount and exterior|
|Maximum Aperture Range||F4.0|
|Maximum Focal Length||70 mm|
|Maximum Format Size||APS-C / DX|
|Minimum Focal Length||16 mm|
|Minimum Focal Range||16 mm|
|Number of Elements||16|
|Number of Groups||12|
|Photo Filter Thread Size||55 mm|
|Shipping Weight||1 pound|
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This item Sony SEL1670Z Vario-Tessar T E 16-70mm F4 ZA OSS
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|Sold By||Amazon.com||Premium-Japan||Amazon.com||CW US||UTM Inc|
|Lens Type||Zoom lens||zoom||Prime lens||zoom||zoom|
Outstanding contrast and resolution throughout the image area at all zoom settings are the hallmark of this high-performance Carl Zeiss mid-range zoom lens
From the Manufacturer
Vario-Tessar T* E 16-70mm F4 ZA OSS Lens
The latest advances in optical design technology have made it possible to deliver prized Carl Zeiss contrast and clarity in a high-performance mid-range zoom. Four aspherical elements combine with one ED glass element to bring you breathtaking rendering.
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.
Carl Zeiss T* (T-star) coating
Coated optics were pioneered by Carl Zeiss - and this superb lens features the Carl Zeiss T* (T-Star) coating that virtually eliminates lens flare, internal reflection and light scattering that can otherwise occur at glass-to-air surfaces. The T* coating contributes to outstanding image quality, with high contrast and uniformly excellent resolution right out to the image edges. Not simply applied to any lens - the T* symbol only appears on multi-element lenses in which the required performance has been achieved throughout the entire optical path, therefore guaranteeing the highest quality.
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.
2013 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. All rights reserved. Sony, the Sony logo, Alpha, (a) and Super SteadyShot are trademarks of Sony. All other trademarks are trademarks of their respective owners.
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Top Customer Reviews
The biggest pitfall is the fairly slow f/4 aperture; you will find yourself pushing the ISO to 3,200-6,400 on overcast days and nearly always when indoors shooting free-hand.
The build quality is good however the telescopic zoom has a plastic construction, likely to limit weight, and one fears the long-term wear taking on and off the lens hood will have on the barrel. Additionally, I received one lens with obvious particulates sandwiched between different lens elements; though dust is an inevitability with lenses, one would expect better quality control right out of the box. I had to return mine for another as it impacted shots at small aperture settings.
Obvious softness in the corner, however chromatic aberration (purple or green fringing near highlights) is well controlled. The first lens was also slightly less sharp than the replacement sent so buyer beware of manufacturing inconsistencies. Be sure to properly test the lens within the return window to ensure you have a sharp and clean lens.
All-in-all it is worth upward to 80% of MSRP but no more.
The one I'm stuck with (I didn't realize the de-centering defect in time to return it) will have to be RMA'd to Sony, or sold used at a considerable loss.
Many refer to de-centering issues plaguing this lens, it shows up as a portion of the image being abnormally blurry.
I'm not talking about corner softness which is expected especially on a zoom of this range, but a good chunk of the upper half right side of the image being completely blurry while everything else is sharp.
Three copies of this lens were bad at 70mm with one corner being abnormally blurry whereas everything else was sharp.
The one I'm stuck is perfect at 70mm but the right side is awfully blurry at 24mm (consistent with one lens review posted online), so was the one I tried at the local store.
Stopping down to f/8 (I mostly shoot landscapes) unfortunately doesn't help in any way.
I don't think I had crazy expectations for this lens, I'm perfectly fine with border/corner softness wide open. However, I do expect sharpness shooting landscapes at f/8.0 where everything is at infinity focus.
Depending on your shooting style, even bad copies may work for you (close ups or portraits with defocused background are great with this lens), but for landscapes the unpredictable image quality is just not acceptable.
Having tried so many copies I have lost hope finding a good one that won't show any de-centering across the entire zoom range.
In retrospect, I should have kept one that was bad at 70mm but OK on the wide end because that's the range I'm most likely to use for landscapes.
If this was supposed to be the best travel lens for the E mount system then I'm afraid my A6000 will be sold very soon...
Now onto the positives: the center is extremely sharp even at f/4.0, bokeh is very pleasant, it is ultra light compared to similar f/4 zoom lenses, and the range covered makes it in theory a fantastic travel lens. You also get a nice blue Zeiss logo on the lens.
If you decide to go ahead and get this lens, just realize that despite the price tag you may have to go through many copies before getting a 'good' one. As such, I can only recommend buying this from Amazon or anywhere with a hassle-free return policy.