I Dare You!

by peter_budo

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A macro lens' maximum magnification can only be achieved at minimum focus. So to get maximum magnification you must move the camera towards or away from the subject to focus a specific area of it. That is the main advantage of using a focus rail. In the case of stacking images, though, maximum magnification in every frame is probably of secondary ...


A lot would depend on whether you need continuous focus through the scene or have more discrete points of interest. A micrometer (geared) rail can make it very fast and easy to make sure that you have complete coverage of the depth of a scene with greater precision than manual focus simply because the adjusting mechanism is finer and the scale is linear. ...


A macro rail will let you perform fine compositional adjustments, rather than either moving the subject or camera and support - both of which are rather clumsy methods of adjusting composition when considering macro photography...


There is an omission on this answer - most people who stack actually tend to use Zerene Stacker - it's the only package that has various user generated plugins for substack slabbing. If you look through Flickr there are twice as many Zerene pics as there are for Helicon. Helicon is faster though and suits lab workers better, ZS better for photographers. Both ...

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