Tamron 2x AF Teleconverter for Nikon

Tamron 2x AF Teleconverter for Nikon

Tamron 2x AF Teleconverter for Nikon

B&H # TA2XNAF MFR # AF20N-700
Tamron 2x AF Teleconverter for Nikon Mount

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Tamron AF20N-700 overview

  • 1Description

The 2x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6.

Teleconverters are not recommended for lenses wider than 50mm, e.g. 28-105mm and full AF operation is only possible with lenses with open aperture of f/2.8 or brighter. Even on lenses at f/2.8, autofocus cannot be guaranteed; manual focusing is recommended when using this teleconverter.

Multi-coated elements result in crisper images
UPC: 725211207030
In the Box
Tamron 2x AF Teleconverter for Nikon
  • Front & Rear Caps
  • Pouch
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Tamron AF20N-700 specs

    Mount Nikon F
    Magnification 2x
    Optical Design 4 Elements in 4 Groups
    Length 1.02" / 26 mm
    Diameter 2.6" / 66.5 mm
    Weight 8.0 oz / 227.0 g
    Packaging Info
    Package Weight 0.5 lb
    Box Dimensions (LxWxH) 3.543 x 3.15 x 3.071"

    Tamron AF20N-700 reviews

    2x AF Teleconverter for Nikon is rated 4.0 out of 5 by 24.
    Rated 5 out of 5 by from Adds value to existing lenses I bought this mostly to use with my 70-300mm f/4-5.6 G lens (which I think is one of the great bargains of the Nikkor lenses) and with my old 500mm Reflex lens retrieved from the 1970s. I have been very pleased with the results, particularly in cinema use. Neither of these are IS lenses, of course, so a very sturdy tripod is a must; and the two-stop loss is not so much of an issue with the low shutter speeds of video shooting (where half the time we are trying to cut exposure with ND filters, anyway). Quite nice to now have a 600mm and a 1000mm lens at hand for a reasonable investment.
    Date published: 2013-10-01
    Rated 5 out of 5 by from Works great. I had purchased a cheaper Teleconverter and was not happy with it at all, never could get a good photo out of it. I purchased this Tamron Teleconverter and it has been great. My lenses I use it on are not fast enough, so I have to do manual focusing, but once I got use to it, have gotten some great shots. I would recommend it to a friend for sure.
    Date published: 2012-03-11
    Rated 5 out of 5 by from Tamron is SOLID Quality product that allows extended function of existing lenses at an affordable price point. I don't intend to use this as an everyday answer to my needs, but as an occasional use is needed I'm willing to swap f/stops for distance. It works exactly as they claim it does.
    Date published: 2012-12-11
    Rated 3 out of 5 by from AF won't work with Tamron 70-200mm/F2.8 it works but no AF on Tamron 70-200F2.8 ... a red sticker also confirms that Tamron knows of the issue. Sad that nobody would specify so on their websites. The 2x SP won't AF either.
    Date published: 2008-09-23
    Rated 4 out of 5 by from Works good in Manual mode I like having the extra reach of this 2x converter. My D5200 when used in auto of any kind will not focus. Keeps looking for focus , but will not lock on at all. I knew this would happen before I got it but got it anyway. used with my Tamron 70-200 the sharpness is good and sharp. I was looking for a 2x that I didn't have to pay $. dollars for and I have found it with this 2x converter.
    Date published: 2015-01-22
    Rated 5 out of 5 by from wonderful! sports action, animals, flowers. closer shots from farther away. some lower light but not a problem on sunny day. not good for caves. more difficult at dark or near dark.
    Date published: 2014-04-07
    Rated 5 out of 5 by from Excellent purchase! This Tele converter has given me the ability to get super close up pictures without spending $1200 on a lens. I am able to use it with the lenses that I have already. I enjoy taking pictures of the roses in my garden. Now I'll be able to really capture the detail up close.
    Date published: 2014-02-25
    Rated 5 out of 5 by from Tamron 2X teleconverter as workdescribed It works as described. YOu must adjust speed, aperture, andISO to get the best results.
    Date published: 2015-02-18
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