December 1, 2020 Features Large image size of φ32mm with M42-mount or TFL-mount.High quality lenses with a resolving power of 3.1μm.Suitable for 8K resolution and are rated at up to 50 megapixels for use with top performance cameras.Kowa’s new and innovative switch locking screw mechanism prevents thumb screws from falling off.The flange back distance can be modified by attaching optional mount adapters to convert to TFL-II or other formats.High magnification design with a focusing range as close as 0.1m away. View more details