donaldjledet
Senior Member
What do you need to check for back-focus on your lenses?
And how? Will it let you know if there is a problem with lens or camera?
Thanks
And how? Will it let you know if there is a problem with lens or camera?
Thanks
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Back-focus
- Thread starter donaldjledet
- Start date
PaulPosition
Senior Member
Never tested for it, my camera had no adjustment so I prefer not to know, lol.
But, really, you probably could get a good idea of the situation by placing a ruler and a flat plane (a book, sheet of paper, ...) beside it, standing up. You focus at the sheet with a small-ish dof, shoot then look at where on the ruler the focus has fallen. Should help you gauge whether it is front-focusing or back-focusing and whether you could live with it or pursue troubleshooting steps.
I'm sure there are great tutorials out there.
But, really, you probably could get a good idea of the situation by placing a ruler and a flat plane (a book, sheet of paper, ...) beside it, standing up. You focus at the sheet with a small-ish dof, shoot then look at where on the ruler the focus has fallen. Should help you gauge whether it is front-focusing or back-focusing and whether you could live with it or pursue troubleshooting steps.
I'm sure there are great tutorials out there.