2X Teleconverter Lens for Telephoto Lens 650-1300mm 420-800mm & 500mm Mirror Lens Feature: The 2x Professional Multiplier is a high-quality teleconverter that delivers enhanced telephoto versatility. It multiplies the focal length by 2x, providing an affordable and portable way to extend your cameras reach. The lens elements virtually eliminate color aberrations. The anti-reflection coating enhances light transmission efficiency, improves color consistency, and reduces flare. Works ONLY with compatible T-mount Lenses -- Uses a convenient T-Mount adapter, and is used between your SLR camera and lens 2x Teleconverter Converter Magnification lens for T Mount 420-800mm 500mm 800mm 900mm 650 1300mm Mirror Lens Telephoto lens Package includes: 1x lens 1xFront Lens cap 1xRear Lens cap TRIHIY 2X Teleconverter Lens for Telephoto Lens 500mm Mirror Len It multiplies the focal length by 2x, providing an affordable and portable way to extend your cameras reach. The lens elements virtually eliminate color aberrations. The anti-reflection coating enhances light transmission efficiency, improves color consistency, and reduces flare. Works ONLY with compatible T-mount Lenses -- Uses a convenient T-Mount adapter, and is used between your SLR camera and lens