Control Your View17mm Ultra-Wide Tilt-ShiftRegular wide-angle lenses often cause perspective distortion in architectural shots. With the +/-8mm shift capability of an ultra-wide tilt-shift lens, the perspective distortion can be easily corrected, keeping architectural lines straight and vertical.Ultra-Large Image CircleThe TTArtisan Tilt-Shift 17mm F4 lens features an image circle of approximately 64mm, larger than that of full-frame and even medium-format lenses. The image circle of TTArtisan 17mm F4 Tilt-Shift lens is larger than that of medium format lenses, Approx. 64mm Full-frame lens image circle, Approx. 43.2mm Medium-format lens image circle, Approx. 54.8mm.Tilt For A Miniature WorldThe TTArtisan Tilt-Shift 17mm F4 lets you transform reality into a miniature world with a simple tilt. The striking visual effect grabs attention and drives engagement on social media.10 Aperture BladesFeaturing 10 aperture blades for smooth bokeh and the iconic 10-point starburst.