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Sony SEL20TC 2.0X Teleconverter

Teleconverter for compatible Sony E-mount lenses

Item # 158SEL20TC

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About the Sony SEL20TC 2.0X Teleconverter

Double your reach

If you shoot sports or wildlife, sometimes a little extra reach makes all the difference in getting the winning shot. Sony's SEL20TC 2.0X teleconverter is a lightweight, compact alternative to lugging around a bulky extra lens. Attached between your Sony E-mount camera body and a compatible lens, it doubles the lens's effective focal length without degrading image resolution. 

Product highlights:

  • provides 2.0X optical magnification
  • light loss: 2 f-stops
  • retains full optical quality and operability of lens
  • construction: 8 elements in 5 groups
  • 1 aspherical lens element for excellent image quality
  • includes case
  • teleconverter is 2-1/2" in diameter, 1-11/16" long
  • weight: 7.3 oz.
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # SEL20TC

What's in the box:

  • Sony E-mount 2.0x teleconverter
  • ALC-B1EM Body lens cap
  • ALC-R1EM Rear lens cap
  • Zippered storage case
  • Operating Instructions
  • Precautions before Using
  • Notes on Use
  • Limited Warranty (US)
  • European Guarantee Information Document

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More details on the Sony SEL20TC 2.0X Teleconverter

Mark G.

Product Research

Features

Overview: The Sony 2.0x Teleconverter (SEL20TC) increases the focal length of the attached lens by 2.0 times, when mounted between the camera and the lens. The teleconverter is compatible with Sony α series E-mount cameras, and is recommended for full-frame cameras. It cannot be used on Sony A-mount cameras, or with any mount adapters. The 2.0x Teleconverter comes with front and rear lens caps and a zippered storage case, and is compatible with the following Sony lenses:

Construction: The 2.0x teleconverter features 8 lens elements in 5 groups, including one aspherical lens element.

Teleconverter Attributes: The teleconverter multiplies the focal length of the lens used without degrading its optical performance, auto-focus speed and precision, or operability. It allows you to extend the focal length so you don't have to carry additional large, heavy lenses. Attaching the teleconverter changes the f-stop, maximum magnification, and depth-of-field specifications of the lens:

  • F-stop: 2 f-stops higher (slower) than the attached lens
  • Maximum Magnification: 2.0x the attached lens
  • Depth of Field: approximately 1/2 of the attached lens

Specifications:

  • Dimensions: Diameter - 2.452", Length - 1.66" (2.029" w/lens caps)
  • Weight: 7.4 ounces

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
I already own the Sony G-Master 100-400mm lens, and this mates with it perfectly to increase my telephoto focal length. [ GARY  Mar 05, 2018 ]
A
need it for 100-400 GM sony FE kit [ David  Jul 29, 2017 ]

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