jonnyhorizon Member  211 posts Joined May 2004 Location: Colorado More info | Jun 09, 2004 11:03 | #1 i have a rebel with the kit lens and a 70-300 IS 5D.30D.100-400L.17-40L.70-300DO.more...
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CoolToolGuy Boosting Ruler Sales  4,175 posts Joined Aug 2003 Location: Maryland, USA More info | Jun 09, 2004 11:12 | #2 I have the set of Kenko extension tubes. They come as a set, and are less expensive than the Canon tubes. Since there are no optics involved, the most important aspect is the electrical contacts, and they seem to be fine. I have had them on the camera, but I have not yet shot any images. Rick
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robertwgross Cream of the Crop  9,462 posts Likes: 3 Joined Nov 2002 Location: California More info | Jun 09, 2004 12:14 | #3 Yes, I have one from Kenko. It works.
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kb244 Senior Member 766 posts Joined Jun 2003 Location: Grand Rapids, Michigan More info | Jun 09, 2004 17:27 | #4 Well the nice thing is, with the 50mm 1.8 on the rebel, thats 80mm after mag, then with 2X thats 160mm, and I wish I had kept my tamron 2X til i had my 50mm 1.8, cuz prior to the 50mm , I couldnt really autofocus that well due to the stop of light loss from the tele convertor. -Karl Blessing
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Roger_Cavanagh Goldmember  1,394 posts Joined Sep 2001 More info | Jun 10, 2004 09:51 | #5 kb244 wrote: Well the nice thing is, with the 50mm 1.8 on the rebel, thats 80mm after mag, then with 2X thats 160mm, and I wish I had kept my tamron 2X til i had my 50mm 1.8, cuz prior to the 50mm , I couldnt really autofocus that well due to the stop of light loss from the tele convertor. By the way, arnt the canon extension tubes, only meant for the L series glass, and even then dont some of them turn off the Autofocus automatically. You are confusing extension tubes (that are nothing but tubes with no glass and provide macro/close-up capability by moving the lens away from the sensor) with extenders - sometimes called tele-converters - that do have additional optics and increase the focal length of the lens. =============
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kb244 Senior Member 766 posts Joined Jun 2003 Location: Grand Rapids, Michigan More info | Jun 10, 2004 12:37 | #6 doh, the extenders for macro/close-ups right. -Karl Blessing
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dn7elson Senior Member 819 posts Joined Apr 2002 More info | Jun 10, 2004 12:58 | #7 kb244 wrote: the extenders for macro/close-ups right. You can use them with telephoto and zoom lenses. I shot some flowers at a botanical garden with the Canon EF25 II extension tube with my 70-200f4.0L lens to get shots of flowers.
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Roger_Cavanagh Goldmember 1,394 posts Joined Sep 2001 More info | Jun 10, 2004 13:10 | #8 kb244 wrote: doh, the extenders for macro/close-ups right. Duh... =============
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drisley "What a Tool I am"  9,002 posts Likes: 108 Joined Nov 2002 More info | Jun 10, 2004 17:10 | #9 What about macro filters like the 250D and 500D? EOS R6 Mark II - Sigma 50/1.4 Art - Sigma 14-24/2.8 Art - Canon EF 70-200/2.8L Mark III - Godox Xpro-C - Godox TT685C x2
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Roger_Cavanagh Goldmember 1,394 posts Joined Sep 2001 More info | Jun 10, 2004 17:37 | #10 drisley wrote: What about macro filters like the 250D and 500D? =============
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