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4
votes
3answers
540 views
Does Nikon D7000 exhibit particular backfocusing problems?
I was considering buying a Nikon D7000 but I have found that (as of 2011) many reviewers were reporting back focusing issues. I would like to verify if these issues are real, and if they are still ...
2
votes
1answer
118 views
How are lenses made?
How are lenses and lens elements made? Also how are the lens elements and groups etc. arranged in the lens?
In regards to the glass, are the elements ground, moulded or are there other techniques ...
