Mount Apo caliber'. The cover of the book also featured Mount Apo's iconic Philippine eagle, along with three other heritage sites which have already been designated as "UNESCO World Heritage Sites". The Department of Environment and Natural Resources (DENR) submitted Mount Apo on December 12, 2009 for inclusion in the UNESCO world heritage list. The mountain is considered by DENR as the center of endemism in Mindanao. It has one of the highest land-based biological diversity in terms of flora and fauna per unit area. It has three distinct forest formations, from lowland tropical rainforest, to mid-mountain forests, and finally to high
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