Canon Rebel XTi, with the Kenko 2x teleconverter, and three Kenko extension tubes [12mm, 20mm, 36mm], all attached to a Canon EF 70-200mm f/2.8L USM lens.
[ Tee ], Romeo_gt, Jonathan Varas Roco, and Chrisser added this photo to their favorites.
- camera strap, notice it other picture, but first thought it was another support for the camera body. - Dragon Weaver
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Wil C. Fry
Wil C. Fry
Member since 2005
- Taken on January 2, 2008
- Seminole, Oklahoma, US
- Canon EOS Digital Rebel XT
- 1,693 Views
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Chrisser 19 months ago | reply
Really great setup, Wil. Would there be any advantages to using extension tubes with the DSLR I am using or not? And can these be used on zoom lenses, also?
Wil C. Fry 19 months ago | reply
You're using the T1i? (I think.)
As long as you buy extension tubes with Canon mounts... (They must be physically able to mount on your camera.)
Any lens that will mount on your camera will mount on the extension tubes. The back end of the tube looks just like the back end of a lens, so it will snap into place on your camera just like a lens would. And the front of the tube looks just like the part of your camera that you snap a lens into.
Your camera is really unrelated to what effect the tubes will have.
It's more related to the lens. The minimum focus distance of the lens will be reduced.
Your profile says you have the Canon 18-55mm kit lens. That lens already has a very close minimum focus distance, so using tubes isn't a good idea. They could make the focal point inside the lens, so you wouldn't be able to focus on anything at all.
Your other lens (75-300mm) would be perfect for using extension tubes. But first you'll want a tripod. There's no point in focusing very closely if you can't hold the camera steady enough to get a good image.
Chrisser 19 months ago | reply
Wil C. Fry 19 months ago | reply
Excellent! Then ignore part of my last paragraph. :-)
Your telephoto zoom lens (75-300) has a long minimum focus distance -- something like four feet. With extension tubes, you can reduce that distance quite a bit and be able to focus on things very closely.
Note:
For someone who plans on *primarily* taking macro shots, I'd actually recommend a dedicated macro lens. Extension tubes are a less expensive option for people who will sometimes be doing macro and can't afford an actual macro lens. :-)