Most popular SLR cameras have a fixed focusing screen and pentaprism, both of which are more than adequate for day to day situations. Although both of these features make rapid focusing and composition easier, neither can be the perfect answer in every situation. For that reason many photographers choose an SLR with an interchangeable focusing screen, viewfinder, or both. You will find that some of the more expensive cameras have this facility. Read the rest of this entry »
The home lighting system consists mainly of lighting circuits devoted to supplying fixed lighting only. Other lighting is sometimes termed auxiliary lighting, but in some rooms this may, in fact, constitute the main lighting.
Auxiliary lighting comprises spot lights, pelmet lighting and other special lighting and effects. Read the rest of this entry »
