Nikon published a technical guide for the D 800. Seems like it could very well apply to the D 7000 as well.
You can get the pdf download here: http://www.nikonusa.com/en_US/o/Y6wrkA9OU_z04IreazIXl_22UII/PDF/D800_TechnicalGuide_En.pdf
You can get the pdf download here: http://www.nikonusa.com/en_US/o/Y6wrkA9OU_z04IreazIXl_22UII/PDF/D800_TechnicalGuide_En.pdf