Let's start with the K150, choose between the kit with polarizer or only filter holder
The KASE K150 Kit portafilter kit includes the essentials to get started, the adapter for your lens, the guides, the magnetic polarizer and a fantastic bag to store everything. With this kit you can take your first photos and be ready to expand it with filters, enjoy the magnetic polarizer and its ease of assembly. The kit is an important saving when buying the most polarizing filter holder set.
On the other hand, if you do not want a polarizer or you still do not need it, you have the option of buying the filter holder with the adapter and the bag, later you can buy the polarizer.