A:Answer The SAL-16F28 16mm f/2.8 Fish-Eye Lens is compatible with your DSLR-α300 Camera.
The SAL-16F28 Lens is Compatible with the following DSLR Cameras: α100, α200, α230, α290, α300, α33, α330, α350, α380, α390, α450, α500, α55, α550, α700, α850 and α900
This Lens will also work with the NEX-3, NEX-5 and NEX-VG10 if used with the LA-EA1 mount adapter.