jubbin2001
TPF Noob!
- Joined
- Dec 26, 2008
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- 153
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Can someone please exlain the math behind macro ratios? For example, I have a Vivitar 100mm macro lens that shoots 1:2 without the diopter on the front. Now lets say instead of the diopter I use a 1.4x telecoverter. What is the lens actually shooting at now?
Then lets say I have a 21mm extension tube coupled with the 1.4x teleconverter, where am I at now?
If someone could please explain the math and give some examples that would be awesome!! Thanks!
Then lets say I have a 21mm extension tube coupled with the 1.4x teleconverter, where am I at now?
If someone could please explain the math and give some examples that would be awesome!! Thanks!