Spiritsight CrossbowWeapon 8
Source Pathfinder Advanced Player's Guide
Damage 1d8 Piercing
Type Simple
Range 120 feet
Price 450 gp
Weight 2 bulk
This +1 striking Ghost Touch crossbow has an array of crystalline lenses and silver fittings along the stock and feels strangely light.
Activate 
envision
Frequency once per minute
Effect You aim through the crossbow's crystalline lenses, gaining imprecise vision onto the Ethereal Plane with a range of 60 feet in addition to your normal senses for the rest of your turn. While this effect lasts, your next Strike with the spiritsight crossbow can also affect targets on the Ethereal Plane during the first 60 feet of its flight.
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
ConjurationEffects and magic items with this trait are associated with the conjuration school of magic, typically involving summoning, creation, teleportation, or moving things from place to place.
MagicalSomething with the magical trait is imbued with magical energies not tied to a specific tradition of magic. A magical item radiates a magic aura infused with its dominant school of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.
TeleportationTeleportation effects allow you to instantaneously move from one point in space to another. Teleportation does not usually trigger reactions based on movement.