How many extension tubes needed?
Re: How many extension tubes needed?
In reply to bruxi
6 months ago
The number of extension tubes you need depends on the lens you want to use and the magnification you want to achieve. I use this site to get a pretty good idea:
With your 50mm f/1.4, with 37mm of extension you can reach magnifications of just under 0.75x. With 74mm, you can reach magnifications of just under 1.5x.
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