You see, itâs actually the distance from the subject. The focal length is an indicator of the distance from the subject: the images are all framed the same; differences arise because the focal length is getting longer (zooming in) as the camera moves further away from the subject.
Normal values range from 0.4 to 4.0 milli-international units per liter (mIU/L). 1  TSH values can vary during the day. It is best to have the test early in the morning.  Experts do not fully agree on what the upper number should be. Opinions vary from 2.5 to 4.0 mIU/L.
Best Answer: TSH is the most common test but you should know there is controversy as to what the normal range is for TSH. A TSH of less than .5 is considered hyperthyroid, and a TSH of more than 5.5 is considered hypothyroid.Some in the medical community believe these ranges should be wider.ating Newest Oldest. Best Answer: TSH is the most common test but you should know there is controversy as to what the normal range is for TSH. A TSH of less than .5 is considered hyperthyroid, and a TSH of more than 5.5 is considered hypothyroid. Some in the medical community believe these ranges should be wider.