The 18-135mm f/ 3.5-5.6 Telephoto Zoom Lens from Sony covers some very frequently used focal lengths between 18mm and 135mm. It is a Sony Alpha lens that has been optimized for cropped image sensors, and as a result it is not recommended for use with larger full-frame cameras. That means its 18-135mm focal length is the 35mm equivalent of a longer 27-202mm telephoto zoom lens. It is constructed of 11 elements in 9 groups, with two aspherical elements and a single Extra-low Dispersion (ED) glass element, which all help to deliver sharp, clear photos throughout the zoom range. It has a minimum focusing distance of 1.4' and a front-end filter diameter of 55mm.
Sony's Direct Manual Focus (DMF) allows you to easily switch between AF and MF without even having to remove your eyes from the viewfinder. The lens also provides a smooth and quiet AF thanks to the Smooth Autofocus Motor (SAM) built into it, which also improves AF response when shooting moving subjects.
| Performance | |
|---|---|
| Focal Length |
18 - 135 mm Comparable APS-C Focal Length: 27 - 202.5 mm |
| Aperture |
Maximum: f/3.5 - 5.6 Minimum: f/22 - 36 |
| Camera Mount Type | Sony Alpha, Minolta AF |
| Format Compatibility | DSLR (APS-C Sensor) |
| Angle of View | Not Specified By Manufacturer |
| Minimum Focus Distance | 1.42' (43.28 cm) |
| Magnification | 0.25x |
| Groups/Elements | 11/14 |
| Diaphragm Blades | 7 |
| Features | |
|---|---|
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
|---|---|
| Filter Thread | Front: 62 mm |
| Dimensions (DxL) | Approx. 3 x 3.5" (7.62 x 8.89 cm) |
| Weight | 14.00 oz (397 g) |
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Pros
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Comments about Sony 18-135mm f/ 3.5-5.6 Telephoto Zoom Lens:
I purchased this with a Sony SLT-A57 package, and am glad I went this route rather than the 18-55 kit lens combo. The 18-135 is a very practical range, that balances well on the A57 body. Really good IQ. While not the fastest lens out there, at least on the A57, AFs very quickly and accurately. Great colors.
Pros
Cons
Best Uses
Comments about Sony 18-135mm f/ 3.5-5.6 Telephoto Zoom Lens:
I've had this lens for a couple weeks now. It came in a bundle along with my a65 camera. It focus very fast and there isn't much distortion at full zoom even though it has aspherical elements. I would definitely recommend this lens to someone.
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