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on Jan 1, 2010 in Camera Tech, Lenses

Nikon TC-20e3

02.15.10

The teleconverter, the wildlife photographers best friend but not for the reason most think. The teleconverter is a tool permitting the photographer to narrow the angle of view and isolate the subject better with narrower DOF. These main attributes of the teleconverter seem to get lost with the main obvious attribute, a bigger subject in the viewfinder. One of the drawbacks of the teleconverter is their sucking up of light. You getting nothing back for their hunger, you simply have less light to work with. In the case of the 1.7x, you loose one stop and 1/2 of light and the DOF is only 1/2x or half of that of the prime lens. For the last two years, about as long as the new firmware for the D3 permitting AF operation with it has existed, the 1.7x has been my prime teleconverter. I have all three, use each when the subject requires it.

The Trio, 1.4x, 2x & 1.7x