Giving an extra punch to photographs, the Tamron SP AF11 Di-II LD Aspherical IF is equipped with advanced lens elements designed to deliver enhanced optical performance. The wide-angle focal length is 11-18 mm while the aperture range is f/4.5-5.6. The lenses are employed with Digitally Integrated II design which is intended for digital SLR cameras with smaller-size image sensors. This feature makes the Tamron camera lens for Canon effectively handle pronounced reflections. Furthermore, the Tamron SP AF11 Di-II LD Aspherical IF uses Extra Refractive Index glass to optimize and enhance the optical power. The inclusion of both one low and one high dispersion elements as well as two hybrid aspherical elements helps in maintaining the imaging performance of the 18 mm f/4.5-5.6 lens. As distortions are well-controlled and chromatic aberrations are reduced to an absolute minimum, this Tamron camera lens for Canon is capable to achieve superb optical quality within the entire zoom range. It also provides well-balanced contrast and color renditions. For built and handling, the 18 mm f/4.5-5.6 lens is lightweight, weighing in at a mere 355 g, with a filter thread measuring at 77 mm. The Tamron SP AF11 Di-II LD Aspherical IF packs these solid and powerful features in a durable compact design for added reliability and convenience.