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Nelson Chen Photography | profile | all galleries >> Lenses, Cameras and Calibration >> Extender (TC) Tests

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5D vs 40D at ISO3200 | Tethered Shooting with EOS Utility | Windows Color Management | Lenses | Extender (TC) Tests | Monitor Calibration | Flash Diffuser Comparisons | AF Points | Sample Photos from the Lenses I Own (or Used) | LCD Monitors

Extender (TC) Tests

70-200 2.8 + 1.4 + 1.4 (f/6.3 eq.)	70-200 2.8 + 1.4 + 1.4 (f/6.3 eq.)	70-200 2.8 + 1.4 + 1.4 (f/6.3 eq.)	70-200 2.8 + 1.4 + 1.4 (f/5.6 eq.)
70-200 2.8 + 1.4 + 1.4 (f/9 eq.)	70-200 2.8 + 1.4 + 1.4 (f/6.3 eq.)	70-200 2.8 + 1.4 + 1.4 (f/6.3 eq.)	70-200 2.8 + 1.4 + 1.4 (f/11 eq.)
70-200 2.8 + 1.4 + 1.4 (f/8 eq.)	100-400 IS f/5.6	70-200 2.8 + 1.4 + 1.4 (f/8 eq.)	100-400 IS f/5.6
70-200 2.8 + 1.4 + 1.4 (f/9 eq.)	100-400 IS f/8	100-400 IS f/11	70-200 2.8 + 1.4 + 1.4 (f/9 eq.)
70-200 2.8 + 1.4 + 1.4 (f/11 eq.)	70-200 2.8 + 1.4 + 1.4 (f/16 eq.)

comment |

Nelson Chen Photography		18-Oct-2006 22:58
Dror, I use the Canon 1.4x with the 70-200 2.8 IS a lot and also find the quality loss minimal. Uising just the cheap Tamron 1.4x isn't too bad either. Stacking the two is the problem. Maybe I should try a better non-Canon 1.4x in the future, like the Kenko 300 Pro you suggested. Thanks, Nelson

Dror Yalon		15-Aug-2006 10:45
Hi Nelson, I think the main factor in the quality of you T/C set is the limitations of the extender. The Kenko 300 Pro is by far better, and I highly recommend it. I have both, and I use the "el cheapo" only with the 400 f/5.6 prime, in order to keep the AF. The 70-200L with the Kenko 1.4X has almost no quality reduction. Dror

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