Lens (optics)

where M is the magnification factor defined as the ratio of the size of an image compared to the size of the object. The sign convention here dictates that if M is negative, as it is for real images, the image is upside-down with respect to the object. For virtual images M is positive, so the image is upright.

单词	Minus lens
释义	Minus lens 英语百科 Lens (optics) where M is the magnification factor defined as the ratio of the size of an image compared to the size of the object. The sign convention here dictates that if M is negative, as it is for real images, the image is upside-down with respect to the object. For virtual images M is positive, so the image is upright.
随便看	sutures out in a.m. sutures out in p.m. suture sterilizer suture sterilizing case suture sterilizing jar suture structure suture suppuration suture sutura sphenofrontalis suture table suture tag forceps Suture Technic Suture Technics suture technique Suture techniques suture tension suture texture suture thread suture tractor suture tying forceps suture wire cutter suture wire scissors suture with atraumatic needle suture with needle suture with weaving prosthesis Suture zone

Minus lens

Lens (optics)