Has anyone used 100-400L with 1.4x tc ? Does the autofocus still work? How bad does it degrade the image quality ? Which brand do you recommend or have experience with? Thanks for your help everyone.
clivingston Goldmember  1,878 posts Likes: 1 Joined Dec 2005 Location: Chelmsford MA More info | Jan 02, 2006 16:44 | #1 Has anyone used 100-400L with 1.4x tc ? Does the autofocus still work? How bad does it degrade the image quality ? Which brand do you recommend or have experience with? Thanks for your help everyone. Chris
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Billginthekeys Billy the kid  7,359 posts Likes: 2 Joined Nov 2005 Location: Islamorada, FL More info | Jan 02, 2006 16:50 | #2 clivingston wrote: Has anyone used 100-400L with 1.4x tc not personally ? Does the autofocus still work no? How bad does it degrade the image quality some, but not as bad as the 2X? Which brand do you recommend or have experience with id go with the canon... seeing as its L glass to begin with? heres what i know Mr. the Kid.
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jjphotos Hatchling  3 posts Joined Dec 2004 More info | Jan 02, 2006 17:08 | #3 clivingston wrote: Has anyone used 100-400L with 1.4x tc ? Does the autofocus still work? How bad does it degrade the image quality ? Which brand do you recommend or have experience with? Thanks for your help everyone. I used the 100 - 400L with a 1.4x Tamron converter in Alaska. It works but does slow the autofocus down quite a bit so only use it when you have to and by all means use as tripod and cable release. The images were fine but I was using a monopod so many of my iamges were a bit soft. 20D|A2
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defordphoto MKIII Aficionado 9,888 posts Likes: 3 Joined Oct 2002 Location: Pacific Northwest More info | The Canon 1.4 TC will render autofocus unusable except in 1-series cameras. Other brand TC's will work with limited results as stated above. defordphoto | Celebrating the art of photography®
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Nezmo Member  216 posts Joined Jun 2005 Location: Texas, USA More info | Jan 02, 2006 18:12 | #5 I have also used it with the cheap Tamron 1.4TC. Sharpness drops considerably at 400mm as well as the AF slowing but it's useable. Canon EOS 20D/30D/BG-E2 ~ EF 50mm f/1.4 USM ~ EF 85mm f/1.8 USM ~ EF 100mm f/2.8 USM Macro ~ EF 300mm f/4L IS USM ~ EF 500mm f/4L IS USM ~ EF 17-40mm f/4L USM ~ EF 24-70mm f/2.8L USM ~ EF 70-200mm f/2.8L IS USM ~ EF 100-400mm f/4.5-5.6L IS USM ~ Kenko Extension Tubes ~ EF 1.4x/2x II Extenders ~ Tamron 1.4x Teleconverter ~ Speedlite 580EX ~ TC-80N3 Timer Remote ~ Canon Angle Finder C ~ Tripod: Giottos MT-9170/Bogen 488RC0 ~ Monopod: Bogen 681B/3229
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mebailey Goldmember 1,992 posts Likes: 28 Joined Jul 2005 Location: USA More info |
Tdragone Goldmember  2,190 posts Likes: 2 Joined Sep 2004 Location: San Diego, California More info | I have used a 1.4 X on a friends 100-400 lens. -Tom Dragonetti
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