The TTArtisan 7.5mm F2.0 fisheye lens is now available at AmazonUS here an AmazonUK here.

Various companies sell it via AmazonUS:

• TTArtisan 7.5mm F2.0 – via Pergear
• TTArtisan 7.5mm F2.0 – via Foto Vision
• TTArtisan 7.5mm F2.0 – via bestar.foto

Main Specs:

• Innovative Design: Unlike the traditional design, this TTartisan 7.5mm F2 adopts a creative design on its lens cap and comes with an ND1000 ND filter(mount on the rear of the lens).
• Optical Design: Its optical system consists of 11 elements in 8 groups. A 7-blade diaphragm contributes to a smooth and pleasing bokeh quality.
• Ideal Aperture: Bright f/2.0 maximum aperture suits working in a variety of lighting conditions and also contributes to the sleek form factor.
• Wide-angle of View: Improve contrast and color rendering in a variety of lighting conditions. Fisheye’s design renders a 180° angle of view(150° on M4/3 Mount) to produce a distinct visual appeal characterized by dramatic distortion and a creative depiction of space.
• NOTE: This lens is not available for full-frame. Please switch to the setting to the APS-C frame before use. Or take off the cap of the lens cap when shooting in full-frame format.

Specification: