When passing another phlebotomy techni- cian’s drawing stati…
When passing another phlebotomy techni- cian’s drawing station a PBT overhears him telling the patient that if she does not extend her arm, he will have to extend it for her and strap it down for the draw. What is the passing PBT’s best course of action?
Read DetailsWhat is the widest aperture size your lens can open to? (If…
What is the widest aperture size your lens can open to? (If you have a DSLR and use multiple lenses, please list the largest aperture for each lens.) Remember that the larger the number is, the smaller the opening, so if you see f/4 this is LARGER than f/16. If you have a DSLR camera you can look for the aperture range on the barrel of your lens. For example, you might see a number like 1:2.8-4. This would mean the widest aperture option ranges from f/2.8 to f/4 depending on how zoomed in you are. This article will help you decipher the numbers you see: http://digital-photography-school.com/what-the-numbers-on-your-lens-mean/ If you have a zoom lens then the widest aperture choice will change depending on how zoomed in you are. (3.5-5.6 is the typical range of the average 18-55mm kit lens that most DSLRs come with.)
Read Details