0.4x High-Grade Wide Angle Converter for Pentax K7 (Compatible with 49, 52, 55, 58, 62 & 67mm Threads)

Overview: Turn your existing lens into a super-wide by screwing this 0.4x wide angle converter directly onto the front element. Mounting: Attaches to the front of your current lens via its filter/thread mount. PLEASE VERIFY YOUR CAMERA'S LENS THREAD SIZE BEFORE ORDERING — it must be one of these sizes - 49, 52, 58, 62 or 67mm. To find your lens thread size, look for the measurement on the lens barrel, on the glass, or printed under your lens cap; the number is always preceded by a diameter symbol. (See images for additional help) Optical construction and finish: Built with all-glass, multi-coated optics for crisp, high-definition results. Finished in sleek black and crafted in Japan, this converter is designed to preserve clarity and color for both stills and video. Performance: Designed for rapid, extreme-speed auto focus operation and wide panoramic capture while keeping distortion to a minimum (1% distortion) and vignetting low (2.3% vignetting). Filters and compatibility: Accepts filters (82mm). Included in the box: Lens, Lens Pouch, Lens Caps, Rings 49, 52, 58 & 67mm, Warranty. Warranty: Backed by a 5-year USA manufacturer's warranty.