Blackwing 137mm Lens PL Mount & Case 137 mm Lens: Maximum Aperture: 9 Minimum Aperture: T22 Image Circle: 62mm max illumination Close Focus: 32in / 81.3cm Weight:2lb / 1.5kg 1500 Case: Watertight, Dustproof Case Made of Ultra-High Impact Copolymer Three Piece Foam Insert Automatic Pressure Equalization Valve Easy Open Double Throw Latches Rubber Over-molded Handle
