7Artisan 4mm F2.8 Micro 4/3 (Black) and architectural subjects requiring a

and architectural subjects requiring a broad field of view

52mm filter thread

Seven-Blade Circular Diaphragm

Up to 12 hours of battery life

Both an integrated Power Zoom lever on lens barrel and a dedicated zoom ring can be used for simple focal length adjustment

7Artisan 4mm F2.8 Micro 4/3 (Black) and architectural subjects requiring a7artisans Photoelectric 4mm f 2. 8 Overview Key Features Micro Four Thirds System 8mm (35mm Equivalent) Aperture Range: f 2. 8 to f 16 225 Angle of View Manual Focus Design Minimum Focus Distance: 3. 3" De Clicked Aperture Ring 7 Blade Diaphragm Offering an extremely wide field of view in a compact form factor, the 4mm f 2. 8 Circular Fisheye Lens from 7artisans Photoelectric provides a 225 angle of view for Micro Four Thirds mount mirrorless cameras.