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Sony 55mm F1.8 Sonnar T FE ZA Full Frame Prime Lens - Fixed
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- Focal Length: 55mm, Filter Diameter: 49mm
- Minimum Focus Distance: 19-11/16 inches (.50m)
- Lens Type: Fixed, E-mount Full Frame, Lens not zoomable
- Aperture (Min/Max): 22/1.8
- Magnification: 14x
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|Aperture Control Design||Aperture controlled by camera|
|Compatible Lens Hood Part Number||ALC-SH131|
|Compatible Mountings||Sony E (NEX)|
|Focus Type||Stepper motor|
|Item Dimensions||2.52 x 2.52 x 2.8 inches|
|Item Display Weight||9.91 ounces|
|Item Weight||0.62 pounds|
|Lens Type||Prime lens|
|Macro Focus Range||0.50 m|
|Manufacturer Warranty Description|
|Material Type||All-metal construction|
|Maximum Aperture Range||F1.8|
|Maximum Focal Length||55 mm|
|Maximum Format Size||35mm full frame|
|Minimum Focal Length||55 mm|
|Number of Diaphragm Blades||9|
|Number of Elements||7|
|Number of Groups||5|
|Photo Filter Thread Size||49 mm|
|Shipping Weight||1.15 pounds|
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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Compatible Camera Mount||Sony E (NEX)||Sony FE||Sony E (NEX)||Sony E (NEX)||Sony E (NEX)||Sony E (NEX)|
|Focus Type||Stepper motor||auto-focus||Micromotor||Stepper motor||Stepper motor||auto-focus|
|Item Dimensions||2.52 x 2.8 x 2.52 in||3.43 x 4.09 x 4.69 in||2.48 x 2.58 x 2.48 in||2.44 x 1.46 x 2.44 in||2.87 x 3.74 x 2.87 in||3.07 x 3.9 x 3.07 in|
|Item Weight||0.62 lb||6.56 ounces||7.9 ounces||4.23 ounces||0.94 lb||1.14 lbs|
|Lens Type||Prime lens||Prime lens||Prime lens||Prime lens||Zoom lens||Zoom lens|
|Maximum Focal Length||55 millimeters||50 millimeters||24 millimeters||35 millimeters||70 millimeters||35 millimeters|
|Minimum Focal Length||55 millimeters||50 millimeters||24 millimeters||35 millimeters||24 millimeters||16 millimeters|
|Photo Filter Thread Size||49 millimeters||49 millimeters||49 millimeters||49 millimeters||67 millimeters||72 millimeters|
Sony Camera Lenses SEL55F18Z
From the Manufacturer
Sonnar T* FE 55mm F1.8 ZA Full-frame E-mount Prime Lens
Renowned Carl Zeiss contrast and resolution brings out the best in α7 series full frame E-mount bodies. The T* coating works with an innovative optical design to suppress internal reflections, for sublime contrast from highlights to deep blacks. In keeping with the Sonnar concept, a large F1.8 maximum aperture can produce beautiful full-frame background bokeh, but you also have the option of stopping down for extended depth-of-field. A bright lens like this is also an advantage when shooting indoors or outdoors in low light. Linear motor driven internal focusing is smooth and quiet, and a dust and moisture resistant design ensures consistently reliable performance.
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.
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.
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.
2014 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) logo, and SteadyShot are trademarks of Sony. Carl ZEISS and ZEISS is a trademark of Carl Zeiss and Sony Corporation. All other trademarks are trademarks of their respective owners.
Top customer reviews
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In the past, the prime lenses I used the most were the Canon EF 50mm f/1.4, and the Olympus 45mm f/1.8 (which is actually 90mm and the depth-of-field is actually about f/3.6 in 35mm equivalent).
What I love about using the 55mm f/1.8 with the a7RII, is that besides the great performance of the optics (image quality, accurate/speedy autofocus), I can also put the a7RII in Super 35 mode and use the lens as a 82.5mm f/2.6, which doubles the usefulness of this already wonderful lens. I don't even feel like I need to get the Zeiss Batis 85mm f/1.8 anymore, since that will add another lens I need to carry around, not to mention the extra cost. Of course, shooting in Super 35 mode will get you only about 18 MP, but that's plenty enough for most people's needs.
I just purchased this lens on amazon and it arrived in time for a wedding I shot just yesterday. It performed brilliantly. 95% of my shots were done wide open at f/1.8 and almost 100% of the images were in focus, minus a few that were from user error (accidentally switched off auto iso, resulting in a slower shutter speed indoors).
The lens at 1.8 is so sharp, it's quite refreshing and locks on focus quickly.
I had no problems at all with auto focus though I will say my 5d3 did focus faster indoors. But the a7 and 55 still performed well.
Outdoors at around 4pm with the sun at a beautiful spot, shooting was almost too good.
My primary use for this lens is to get nice bokeh and and I couldn't be happier. In some instances, it has this quality about it that I can't explain but have always read about. I guess its a Zeiss thing (my first and definitely not last).
So I would say, if this is in your budget, you won't be disappointed with the quality of the images produced. Then add the fact that it's weathered sealed, it's definitely worth the price. My 50L is now up for sale.
It's a pricey lens for this focal length; for my Nikon an equivalent lens would be more in the $400 range. So, there's a bit of sticker shock, but this is really the only option if you want a full frame E-Mount lens for Sony. I softened the blow by buying used and I don't regret it at all.
The images from this lens viewed at full resolution are amazing! My only complaint is that I would like a better minimum focal distance but that is not that huge of deal to me. I regret nothing about this purchase, amazing lens!
I would agree with other reviews that this is a fantastic lens in terms on IQ (Image Quality), Build quality, etc.. and a great one to have in your bag.
Most recent customer reviews
Have to return this because I have problems with sony body