Mount Balatukan Mount Balatukan Mount Balatukan is a massive compound stratovolcano in the northern island of Mindanao, Philippines. It is the highest point in the province of Misamis Oriental. The volcano has no historical eruptions but displays fumarolic activity. The mountain is topped by a triangular shaped caldera long and at its widest. The Balatocan River emanates from and drains the huge crater. The mountain is a protected area in the country classified as a Natural Park, the Mount Balatukan Range Natural Park. The park has an area of with a buffer zone of . It was created on March 6, 2007
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