Sony 18-70mm f/3.5-5.6 DT Aspherical ED Standard Zoom Lens

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The big issue with this particular lens is soft corners and edge blurring

Sony 18-70mm Lens The Sony DT 18-70mm f/3.5-5.6(D) is a condensed, wide-angle through mid-telephoto AF zoom lens especially created for Sony Alpha and the Minolta D SLR camera bodies. Optics have been computer optimized for an APS-C smaller diameter imager circle to properly function with an APS-C CCD sensor employed on DSLR cameras. When mounted on a DSLR camera, the focal length this lens resembles 27-105mm, Just right for portraits,, snapshots, interiors and is an exceptional all-around travel lens.

The big issue with this particular lens is soft corners and edge blurring at the 18mm end with dull, poor-contrast images at the 70mm end. Although there's a sweet spot is around 50mm at f/8, which does not work very well for indoor photos without using an external flash. Compared with the Tamron which has a bigger aperture with greater sharpness throughout its zoom range, providing a much more suitable lens for indoor and outdoor poor-light photography. Note! Not congruent with 35mm SLR or "full-frame" DSLR cameras. Aug 29, 2011.  Announced Jun 15, 2006 ✓


DT lenses employ a new optical system that is specifically designed for APS-C DSLR cameras

ED (Extra-low Dispersion) glass to reduce telephoto chromatic aberrations, correcting certain wavelengths of light for sharp, clear images with well defined colors.

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Lens styleZoom lens  
Max Format Size APS-C / DX  
Lens focal length18 70 mm  
Stabilization type No  
Camera mount Sony Alpha  
Angle of view 76 - 23  
Largest aperture opening F3.5 - F5.6  
Smallest aperture opening F22.0 - F39.0  
Includes aperture ring No  
Total diaphragm blades 7  
Total Elements 11  
Number of Groups 9  
Coatings / special elements 1 aspherical and 1 ED glass element  
Minimum focus distance 0.38 m (14.96")  
Maximum magnification ratio 0.25 x  
Autofocus type Yes  
Lens motor Screw drive from camera  
Full time manual focus Unknown  
Focusing method Extending front  
Lens distance scale No  
Depth of field scale No  
Overall weight235 g (0.52 lb) 8.3 oz  
Lens diameter 66 mm (2.60")  
Overall length 77 mm (3.03")  
Lens color Black  
Zooming method Rotary (extending)  
Filter thread size 55 mm  
Filter annotations rotates on focus  
Lens hood included Yes  
Lens hood code PH-RBA Petal type  
Tripod collar included No

Lens Includes

Sony SAL-1870 AF DT 18-70mm f/3.5-5.6(D) Autofocus Lens
Front & Rear Lens Caps
Lens Hood
1-Year Warranty


Sony 18-70mm Lens

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Sony DT 18-70mm Lens Reviewed by Gene Wright on . Rating: 5