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Tamron 1.4x SP AF Pro Teleconverter for Nikon AF-I, AF-D & AF-S - for Telephoto Lenses 90mm & Longer with Maximum Apertures of f/2.8 or Larger

Tamron 1.4x SP AF Pro Teleconverter for Nikon AF-I, AF-D & AF-S - for Telephoto Lenses 90mm & Longer with Maximum Apertures of f/2.8 or Larger
alaAverage 4.9

6 reviews

Apr, 2014

alaTest has collected and analyzed 6 reviews from magazines and websites.

On average, users rate this product 97/100.

Review analysis

(Based on 6 reviews)

User Reviews  

Showing 1 - 2 of 2 Show Reviews: in English

Consumer review by:

Does what it should do

 

2008-05-27 20:00:23 I bought this teleconverter to increase the zoom capability of my AF Zoom-NIKKOR 80-200mm f/2.8D ED to be able to capture photos of wildlife. I initially purchased Nikon 1.7x teleconverter, but although it was supposed to work with...

Lightweight, easily mounted.

None so far

Consumer review by:

Does what it should do

 

I bought this teleconverter to increase the zoom capability of my AF Zoom-NIKKOR 80-200mm f/2.8D ED to be able to capture photos of wildlife. I initially purchased Nikon 1.7x teleconverter, but although it was supposed to work with the aforementioned...

Lightweight, easily mounted

None so far

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Product Specifications

The SP AF PRO-series teleconverters, with a newly designed optical construction (4-group/5-element for 1.4X and 4-group/7-element for 2X), are designed to be used with lenses that are F/2.8 and of focal lengths of 90mm or greater. This would make the use of the SP teleconverters ideal for the Tamron SP90mm F/2.8 macro, 70-210mm F/2.8 and 300mm F/2.8. Relative illumination is significantly improved resulting in better overall contrast and resolution across the entire image field. In addition, chromatic aberration and astigmatism are better compensated for by virtue of the use of higher-grade glass materials and more sophisticated design techniques than used in universal-type teleconverters. When used with lenses with smaller maximum apertures (F/4 and F/5.6, for example), there will be little difference in image quality as compared with the standard Tamron teleconverters. When used with lenses wider than 90mm, the SP teleconverters can actually comprise image quality. The 1.4X teleconverter will increase the focal length of the master lens by 1.4X and make the lens one f-stop slower. In addition to increasing focal length, this teleconverter allows greater magnification in macro since the Minimum Object Distance (MOD) of the master lens does not change when used with the teleconverters. The 1.4X teleconverter can be used with both AF and MF lenses. AF will be retained if the master lens is F/4.5 or faster.
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