Apo Reef the flora, the fauna and the clarity of the water and white sand. Many species can be observed in deep or shallow waters in particular, sharks, giant napoleons, mantas and murenas. The coral is in good health and growing. The Apo Reef is a protected area of the Philippines classified as a Natural park encompassing . Of the total area, comprises the Apo Reef Natural Park while the remaining constitute a buffer zone surrounding the protected area. Prior to its declaration as a protected area, Apo Reef was first officially declared a "Marine Park" by then Philippine president Ferdinand Marcos
Sigma 150mm f/2.8 APO Macro EX DG HSM lens Sigma 150mm f/2.8 APO Macro EX DG HSM lens The Sigma 150mm 2.8 APO Macro EX DG HSM is a telephoto macro prime lenses made by the Sigma Corporation. The lens is produced for the SA mount, Canon EF mount, Four Thirds System, and the Nikon F-mount varieties; all have the same optical formula. When used on a digital crop body with a field of view compensation factor of 1.6x, such as the Canon EOS 450D, it provides a narrower field of view, equivalent to an 240mm lens mounted on a 35mm frame body. With a 1.5x body such as