 | |
| Maker | Sony |
|---|---|
| Lens mount(s) | Sony E-mount |
| Technical data | |
| Type | Zoom |
| Focus drive | Stepper motor |
| Focal length | 28-70mm |
| Image format | 35mm full-frame |
| Aperture (max/min) | f/3.5 (22.0) - 5.6 (36.0) |
| Close focus distance | 0.40 metres (1.3 ft) |
| Max. magnification | 0.20x |
| Diaphragm blades | 7 |
| Construction | 9 elements in 8 groups |
| Features | |
| Manual focus override |  Yes |
| Weather-sealing | Yes |
| Lens-based stabilization | Yes |
| Aperture ring |  No |
| Application | Multipurpose |
| Physical | |
| Max. length | 95.0 millimetres (3.74 in) |
| Diameter | 73.0 millimetres (2.87 in) |
| Weight | 426 grams (0.939 lb) |
| Filter diameter | 55mm |
| Accessories | |
| Lens hood | Petal-shape |
| History | |
| Introduction | 2013 |
| Retail info | |
| MSRP | $499 USD |
The Sony FE 28-70mm F3.5-5.6 OSS is a full-frame (FE) variable maximum aperture standard zoom lens for Sony E-mount, announced by Sony on October 16, 2013.[1][2] It was the first kit lens for Sony's full-frame E-mount (FE) system,[3] and was released on the same day as the Sony α7 and Sony α7R. It is often bundled with various Sony E-mount full-frame mirrorless cameras, and is a less costly alternative to other standard zooms such as the Sony Carl Zeiss Vario-Tessar T* FE 24-70mm F4 ZA OSS.
Though designed for Sony's full frame E-mount cameras, the lens can be used on Sony's APS-C E-mount camera bodies, with an equivalent full-frame field-of-view of 42-105mm.
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Transcription
Construction
The lens has a weather resistant plastic construction with a matte-black finish and rubber zoom and focus rings. The barrel of the lens moves outward from the main lens body as it's zoomed in from 28mm to 70mm.
Optical properties
The Sony FE 28-70mm F3.5-5.6 OSS shows acceptable chromatic aberration[4] and good bokeh.[5] Corner sharpness becomes “acceptable” when the lens is stopped down to f/8.[4] Natively, it suffers from fairly noticeable distortion - 2.5% barrel distortion at 28mm, 3.2% pincushion at 50mm and 3.7% pincushion at 70mm, and requires correction in-camera or in raw processing.[4]
Its optical performance is competitive with the Sony Carl Zeiss Vario-Tessar T* FE 24-70mm F4 ZA OSS in every metric tested by DxOMark.[6]
Autofocus
The lens focuses internally, using a linear autofocus motor.[3] Its autofocus is “silent and accurate” and “very quick”.[7]
See also
References
- ^ "Sony FE 28-70mm F3.5-5.6 OSS: Digital Photography Review". dpreview.com. Archived from the original on 2016-07-21. Retrieved 2017-06-23.
- ^ DxO. "Sony FE 28-70mm F3.5-5.6 OSS: Serious contender to the Zeiss?". DxOMark. Archived from the original on 2016-08-16. Retrieved 2017-07-12.
- ^ a b Munger, Kurt (2014-08-01). "Sony FE 28-70mm F/3.5-5.6 OSS review". Photo Jottings. Archived from the original on 2017-03-12. Retrieved 2017-07-12.
- ^ a b c "Sony FE 28-70mm f/3.5-5.6 OSS - Review / Test Report - Analysis". Photozone.de. Archived from the original on 2017-06-30. Retrieved 2017-07-12.
- ^ "Sony FE 28-70mm F3.5-5.6 OSS Review". PhotographyBLOG. 2014-02-07. Archived from the original on 2017-07-05. Retrieved 2017-07-12.
- ^ DxO. "Sony FE 28-70mm F3.5-5.6 OSS versus Sony FE Carl Zeiss Vario-Tessar T* 24-70mm F4 ZA OSS both mounted on Sony A7R". DxOMark. Archived from the original on 2016-08-08. Retrieved 2017-07-12.
- ^ "Review: Sony 28-70mm f3.5-5.6 OSS (Sony FE)". Thephoblographer.com. 2015-11-13. Archived from the original on 2017-03-02. Retrieved 2017-07-12.
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This page was last edited on 15 April 2024, at 06:46