Raynox HDS-680K

Description:
. HDS-680 High Resolution Wide Converter 0.67x The HDS-680 wide angle lens is specially designed for use with the super wide angle zoom lens of AVCHD camera models. The HDS-680 Wide Converter extends the viewing angle by 49% compared to that of the camera lens. The converter was developed with optical glass with a high refractive index and achieves a maximum resolution of 375 line pairs per millimeter (in the center of the image, with an MTF contrast of 30%). It can be zoomed over the entire focal length range and maintains focus when zooming. Properties: Especially for use with wide-angle zoom lenses on AVCHD cameras. Can be used in the full zoom range. Composition of 2 lenses in 2 groups. Compact and only 125 g. Highlights: Burning factor: nominal value 0.67x, actually 0.53x diagonally and 0.67x horizontally. Optical structure: 2 lenses in 2 groups, hardened lenses made of optical glass. Distortion: -1. 8.5%. (at max. wide angle) Front thread for filter: not possible Screw thread: 37mm (M372x0.75) Frame: Full metal ABS / PC hybrid base Dimensions (length x diameter)): 30mm x 66mm Weight: 125g Supplied accessories: 5 adapter rings (27mm, 30mm, 30.5mm, 34mm, 43mm external thread), protective bag, protective cover, instructions Set contains: camera lens