Comments and insights on the name Jennifer: | Edit. Jennifer is a classic, beautiful, sweet, gorgeous name for a baby girl.
The standard method for specifying the dimensions of a American Wide Flange Beam is for example W 310 x 250 x 79, which is 310 mm deep, 250 mm wide and with a weight of 79 kg/m.
Specifications. 1  Thread: M42 Ã 1. 2  Flange focal distance: 45.5 mm (The figure 45.46 mm is also commonly seen, particularly in Pentax literature. The difference being the thickness of the film. 3  The M42 mount is sometimes referred to as a P thread. See, e.g., Questar Corporation: Photographic Camera Adapters P Thread.