Fullframe lenses in fullframe SLRS can assure high quality imaging, while in halfframe SLRS can improve image quality, create a dreamy and ethereal photo style. | High quality precision mechanisms, including six elements of the five optical designs, enable correction of perspective distortions of photography inside and outside the building, as well as control of depth of field for product photography. | The optics of the tilt shift lens allow you to take clear, contrasting images with perfect colors. When photographing interiors, still life, portraits, and advertising subjects, it is often necessary to have complete control over the depth of field. | The TS lens allows to compensate for perspective distortion, change the depth of field and sharpness zone, and soften the image if necessary. | Adopt high quality alloy and optical glass material, firm and durable, provide longer service life. | focal length: 50.0 millimeters