Tokina Cinema 1.6x Expander PL Mount to Sony E Mount

8x magnification 43mm objective lenses BAK4 Roof prism optical path Anti-reflection fully multi-coated optics Extra-low dispersion (ED) glass reduces chromatic aberration for sharper images with accurate color Phase corrected prisms produce high-contrast images with true color rendition Hybrid aspherical lens elements correct for spherical aberrations to reduce distortion at the edges of the lens and corrects for astigmatism that can prevent sharp focusing 109.83 m field of view at 1000 m 50° angle of view Closed bridge configuration The large knurled center focus wheel Right-eye diopter adjustment 22mm long eye relief, 5.4mm exit pupil Twist-up eyecups for use with or without eyewear Tripod mountable with optional adapter Lightweight and durable magnesium alloy housing Rubberized armoring protects against impacts and provides a slip-resistant grip Nitrogen-filled, fog-proof, and submersible to 1m The internal focusing system helps to maintain waterproof seals Dust/water/grease repellent coatings keep the optical surfaces clean