Tamron 2x AF Teleconverter for Nikon
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. However, full AF operation is only possible with lenses with open aperture of f/2.8 or brighter. Please be aware that AF will work properly only if there is enough light and contrast on the subject to activate the camera's AF sensors. Manual focusing is recommended when using lenses with smaller open f-stop value than those given above.
- Multi-coated elements result in crisper images
| Magnification | 2x |
| Lens Elements/Groups | 4/4 |
| Length | 1" (26mm) |
| Diameter | 2.6" (66.5mm) |
| Weight | 8 oz (228 g) |
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Comments about Tamron 2x AF Teleconverter for Nikon:
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.
- Similar:
- Tamron 70-200/F2.8
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- Price: $4.99
What's in the Box
- Front & Rear Caps
- Pouch
- 1-Year Warranty
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Merchant response: Our site specifies, "This teleconverter is not recommended for lenses wider than 90mm..."