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5
votes
4answers
191 views

When using a teleconverter on a Canon DSLR, what happens to EXIF data?

When mounting lenses via a teleconverter like the Canon 2x, does the EXIF metadata record this information somehow? Will the recorded focal length be adjusted by the camera or the extender? Is there a ...
2
votes
4answers
597 views

Canon extension tubes - how much extension can be used?

I just purchased two Canon extension tubes, 25mm each, for a Canon 100mm f/2.8L Macro lens. In the instruction manual, it is recommended to only use one extension, not two or more; otherwise, image ...
4
votes
2answers
1k views

Can I use macro extension tubes with telephoto lenses?

What I really want is an extension tube for my telephoto lens. (70-200mm Canon) I have an opportunity to purchase a number of macro tubes. Will those also work with the telephoto lens?
10
votes
4answers
5k views

I have a Canon EF 100mm f/2.8 Macro. How can I get even closer to the subject?

I have had a Canon EF 100mm f/2.8 Macro lens for quite a long time. It is a great lens. I use a 7D as the body, thus I get 1.6x magnification as compared to a "real" 35mm sensor body. While this is ...
11
votes
2answers
506 views

Are there any downsides to buying a third party extension tubes for Canon?

I would like to get a little higher magnification out of my Canon 100mm Macro, so I am looking at extension tubes. I know Canon makes the EF25, but it seems pretty expensive considering there isn't ...