Manufacturer RECERTIFIED. Excellent cosmetic condition. Come with all original accessories: front and rear lens caps, lens carrying case, no box and 1 year manufacturers warranty!

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　　A teleconverter is a great way to extend your telephoto range without having to carry additional large lenses. The SAL20TC provides double the focal length with a 2-stop light loss. For sports, wildlife and landscapes, this teleconverter lens can give you maximum reach with minimum gear to carry.

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　　Extend the range of your primary lens with the Sony SAL-20TC 2.0x teleconverter lens. Using the SAL-20TC, you can extend the photographic range of your primary lens by 2x, letting you cover more distance and capture more subjects without the burden of extra equipment. This extra range--when combined with the lens's compact size--makes it a hand accessory on long wilderness treks or while traveling on vacation. Even better, the lens offers a superb optical performance that preserves both the accuracy and the image quality of your primary lens. The SAL-20TC supports the G series 70-200mm f/2.8 G telephoto zoom, the G series 300mm f/2.8 G telephoto lenses, and the unique Sony 135mm f/2.8 STF (Smooth Transition Focus) lens. Note that photographers will have to compensate for their reduced light transmission by opening their apertures two steps with the 2x converter.

　　Lens groups: 5 groups and 6 elements

　　Aspheric elements: No

　　Lens type: Telephoto and telephoto zoom

　　Distance encoder: Yes

　　Dimensions: 2.51 inches in diameter and 1.71 inches long

　　Weight: 0.44 pounds

　　From the Manufacturer

　　2.0X Teleconverter Lens

　　A teleconverter is a great way to extend your telephoto range without having to carry additional large lenses. The SAL20TC provides double the focal length with a 2-stop light loss. For sports, wildlife and landscapes, this teleconverter lens can give you maximum reach with minimum gear to carry.

　　Distance encoder

　　The distance encoder plays an integral part in ADI flash metering, which delivers high precision flash metering that is unaffected by the reflectance of subjects or backgrounds. The distance encoder is a lens component that directly detects the position of the focusing mechanism, and sends a signal to the CPU in order to measure distance to the subject. During flash photography, this data is very useful in calculating how much flash output is appropriate to the scene.

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