Technologically advanced camera systems with a high pixel density drive the SP series lenses to perform at their best. Superior optical performance is a standard and enhanced by improvements in functionality, handling, and external design. The SP 45mm F/1.8 DI VC USD is a 45mm lens capable of remarkable resolving power and sharp images. While the integration of VC into a fast standard prime lens for full frame DSLR cameras is an industry first. This lens delivers crisp and tack sharp images at any setting from 1.8 full open and Fluorine coatings provide excellent light transmission and protection while a round 9 blade aperture assure excellent image quality. Quick focusing is provided utilizing Tamron's USD (Ultra Silent Drive) and with a MOD (Minimum Focus Distance) of 11.4", this lens is quick and capable for all situations.

The lens has a special measurement of 80 x 92 mm with a weight of 540 g. This Lens is high resistant to dust, moisture and water droplets. The lens is extremely easy to use, and ideal for a wide variety of applications including nature, wildlife, sports, and documentary photography.

It is a wide-angle prime lens with a fast maximum aperture of f/1.8 enabling effective low-light imaging and shallow depth of field focus. A spherical lens element reduces aberrations and improves image sharpness at the frame edges.

This lens provides fast and quiet autofocus action, which is especially important when shooting video. It's a great lens to go with any option, such as for shooting stills or videos. It has superb image quality and enhanced performance characteristic that is ideal for a wide range of photographic applications.