michael_reichmann1 Posted April 17, 2002 Share Posted April 17, 2002 I have just published a test of the Pentax 67's 2X Extender vs. the 1.4X Extender. The test was done with the Pentax 400mm f/4 ED(IF) lens. What made the test interesting as well as problematic was the expected Pentax 67 problems of shutter vibration, and the need for approriate support when shooting with such very long lens combinations (800mm). <p> http://www.luminous-landscape.com/p-ext.htm <p> Michael <p> The Luminous Landscape Link to comment Share on other sites More sharing options...
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