I Dare You!

by peter_budo

submit your photo

Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

Take the 2-minute tour ×
Photography Stack Exchange is a question and answer site for professional, enthusiast and amateur photographers. It's 100% free, no registration required.

In What are the best practices for DOF stacking? I noticed a mention of a "focusing rail". I've never heard of such device. What is it, and in what circumstances is it useful?

share|improve this question

1 Answer 1

up vote 15 down vote accepted

Focusing rail is a type of camera mount that allows you to move the camera forwards and backward on a very small scale.

(image taken from article at Earthbound Light)

The reason for using them is that in macro photography you have such small depth of field that it's easier to focus lens to given distance and then move the camera to get the parts you want in focus than the other way round (and it's also ensures you always use maximal magnification, if you need to).

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.