How much does this cost to the nearest dollar?

Sony 1.4x Teleconverter Lens for Sony Alpha Digital SLR Camera
From the Manufacturer 1.4X Teleconverter Lens A teleconverter is a great way to extend your telephoto range without having to carry additional large lenses. The provides a 1.4x increase in focal length with a 1-stop light loss. For sports, wildlife and landscapes, this teleconverter lens can give you maximum reach with minimum gear to carry. Technology Distance encoder The distance encoder plays an integral part in ADI flash metering, which delivers high precision flash metering that is unaffected by the reflectance of subjects or backgrounds. The distance encoder is a lens component that directly detects the position of the focusing mechanism, and sends a signal to the CPU in order to measure distance to the subject.

Price is $300.00

Price: $299.99