This Tamron 372D AF Tele-Macro 70-300mm F4-5.6 lens is an excellent addition to your DSLR camera. It is compatible with Sony Alpha mounts and has a maximum aperture of f/4-5.6. The lens has a tele macro focus type with an auto focus feature, making it perfect for capturing detailed and sharp images. The lens has a focal length range of 70-300mm, which makes it suitable for various photography needs.