There are 4 Minor Focus items: Focus level 4 to 49 pets
These four focus items are obtainable via quest from the gnome magician Vira within the Temple of Solusek Ro located off of the Lavastorm Mountains zone. You must have at least indifferent faction standing to quest the minor focus items. Read the Guide for more specific information
*from level 34 to 49 the pets will appear visibly larger when focused
At 49 the torch,broom,stein and shovel overlap with the planar staves (the planar ones being only slightly better, however post 49 only they have an effect on the pets)
More detailed info:
http://www.thesilversandbox.net/p1999/main.php