Pentax Optio A10 8 Mega Pixel Digital Camera 3x Optical Zoom - Untested! The Pentax Optio A10 is an 8 Mega Pixel digital camera with a sleek silver design. It features a 3x optical zoom and digital zoom capabilities, allowing you to capture clear images from a distance. The camera is part of the Pentax Optio series and is known for its quality and reliability. With a lithium-ion battery and USB connectivity, the Pentax Optio A10 is a versatile and user-friendly option for photography enthusiasts.