Canon's 10x30 IS II use a Porro II Prism design

LENS SPEED              Switching Time - 1/25

High-density foam on seat front maximizes leg comfort

Part #: S60

Full Face Gas Mask Respirator Canon's 10x30 IS II useFull Face Gas Mask Respirator Anti Fog Air Filtration Mask with 40mm Activated Charcoal Filter for Vapor, Smoke & Particulates, Effective for Chemical Industrial Our full face respirator meets industry standards. It uses a 40 mm activated P A 2 charcoal filter cartridge to remove any particulate matter or vapors in the air you breathe. The combination of this filter and the airtight seal our mask best provides affords you up to 95% protection against