Raynox HD 3037 Pro Semi-Fisheye 0.3X

High resolution semi-fish eye attachment converter for 4K/HD camcorder: Raynox HD 3037 Pro The HD-3037PRO Semi-Fish Eye Attachment Converter is designed to extend the viewing angle of video camcorder lenses; with this attachment, the lens captures multiple times the size of the subject. The converter can be used when zooming over a focal length range of 1:6 (over the full range of a 6x zoom), whereby the focus is always retained1. The HD-3037PRO achieves an amazingly high resolution capacity of 520 line pairs per millimetre (in the image centre at a MTF contrast of 30%). Features: - Focal length factor: for digital camera actually 0.3x (diagonal) or 0.42x (horizontal) / for camcorders actually 0.34x (diagonal) or 0.44x (horizontal). - Optical design: 2 lenses in 2 groups, tempered lenses made of optical glass. - Distribution: -45% for digital cameras, -39% for camcorders (each max. wide angle). - Front thread for filters: not possible due to the extreme viewing angle. - Screw-on thread: 37 mm. 1 The converter is designed for a zoom range of up to 6x for the selected camcorder. Vignetting and increasing edge blur may occur with a larger zoom range or incompatible camcorders. Technical data: Type - Type: fish eye converter. converters - Focal length factor (tray): 0.3. - Optic thread (mm): 37. General - Length (mm): 45. - Diameter (mm): 70. - Colour: black. - Weight: 143 g.