Questions tagged [front-focus]

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54
votes
5answers
23k views

What methods can be used to micro-adjust autofocus of a camera body to a particular lens?

I have a Canon 7D with a 50mm f/1.4 lens, and I think the auto-focus of the lens is off. How can I test and adjust this reliably? Will this approach work with all of my lenses? If I had a different ...
0
votes
2answers
1k views

Does this test chart show that my kit lens front focused?

I just bought me a Nikon D7100 with 18-140 kit lens. When I used focus test chart page 18 to test my camera and lens I got one of following result at 35mm/f4.2. I used Nikon's ViewNX2 to open the raw ...
3
votes
1answer
339 views

How can AF adjustment be inconsistent across lenses?

How is it that sometimes a lens will work fine on a camera body without adjustment yet others need some AF micro adjustment tweaking. I would imagine that the accuracy of the AF system with regards to ...