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	Username   Password FM Forum Rules Canon SLRs, primes, and zooms lenses reviews FM Forums | Canon-mount SLRs | Join Upload & Sell    Search Used end    Archive 2006 · EF Extension tubes???

nl2377 Offline Upload & Sell: On p.1 #1 · EF Extension tubes??? I am in the process of purchasing a 70-200f4L and was wondering how much closer you can focus that lens when using an extention tube (IE 12mm or 25mm)? Would it be better to shoot for one of these for close up photos, or better to just buy closeup filters for the lens? Feb 09, 2006 at 09:56 PM

EA6B Offline Dedicated FM Upload & Sell: On p.1 #2 · EF Extension tubes??? http://www.fenderforum.com/userphotos/index.html?recid=9884 70-200 2.8IS w/EF25 tube. Keep in mind this flower is only an inch in size. E Feb 09, 2006 at 11:04 PM

krementz Offline Upload & Sell: Off p.1 #3 · EF Extension tubes??? I use the Kenko tubes with the 70-200/4. I'm very happy. I tried the EFS-60 macro and EF-100 macro. i couldn't see any difference. YMMV. Feb 10, 2006 at 01:49 AM

nl2377 Offline Upload & Sell: On p.1 #4 · EF Extension tubes??? EA6B wrote: http://www.fenderforum.com/userphotos/index.html?recid=9884 70-200 2.8IS w/EF25 tube. Keep in mind this flower is only an inch in size. E So this is an uncropped image extention tubes dont allow focus to infinity, correct? if not, how far will they focus to? Feb 10, 2006 at 06:21 AM

Pell Offline Upload & Sell: Off p.1 #5 · EF Extension tubes??? EA6B wrote: http://www.fenderforum.com/userphotos/index.html?recid=9884 70-200 2.8IS w/EF25 tube. Keep in mind this flower is only an inch in size. E Do you have any 100% crops of this combo? I was curious about it too Feb 10, 2006 at 07:01 AM

Alan321 Offline Dedicated FM Upload & Sell: On p.1 #6 · EF Extension tubes??? The advantage of the extension tube is that it does not introduce any new optics. Also it can be used on most EF lenses. The downside is that the lens has to be removed from the camera to fit the tube, thus allowing the possibility of dust getting on your sensor. A close-up filter is a lens and it has a single diameter, making it unsuitable for use on many of the EF lenses that have a different filter thread diameter. On the plus side it does not require the lens to be removed from the camera body, so there's less chance of introducing dust to your sensor. Both are a compromise compared with a genuine macro lens but that's to be expected. I was happy with the extension tube(s) on my 100-400L. Feb 10, 2006 at 08:01 AM

ocean7 Offline Upload & Sell: On p.1 #7 · EF Extension tubes??? nl2377 wrote: So this is an uncropped image extention tubes dont allow focus to infinity, correct? if not, how far will they focus to? This should help you : http://www.bobatkins.com/photography/eosfaq/closeup.htm Feb 10, 2006 at 08:05 AM

sarumokikaraoc Offline Upload & Sell: Off p.1 #8 · EF Extension tubes??? go with the extension tubes...the optical quality of close-up lenses has yet to be truly proved in my mind. Feb 10, 2006 at 09:14 AM

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