1The shell is made of quality materials, sturdy, wear-resistant and anti-corrosion 2The lens adopts F6.3 large aperture, which allows more light getting through the lens to improve the shutter speed, applicable to shoot mobile view with fast speed, such as sports, traffic, etc 3Allow you to shoot farther view without affecting the quality of images, supports manual focus, free to adjust it for various uses 4Precision machining ensures perfect fit for T mount, suitable for all cameras with adapter that is compatible with T mount 5Lightweight and practical, a good alternative for telephoto lens Description: This teleconverter can professional effect for almost all single-lensreflex cameras with matchable lens adapter, the optical glass lens is clear with hightransmittance. The multiple coating can block unnecessary light toreduce halo and dispersion. Fine machining ensures perfect fit for T mount lens.Features:The shell is made of quality materials, sturdy, wear-resistant and anti-corrosion.The lens adopts F6.3 large aperture, which allows more light getting through the lens to improve the shutter speed, applicable to shoot mobile view with fast speed, such as sports, traffic, etc.Allow you to shoot farther view without affecting the quality of images, supports manual focus, free to adjust it for various uses.Precision machining ensures perfect fit for T mount, suitable for all cameras with adapter that is compatible with T mount.Lightweight and practical, a good alternative for telephoto lens.Specification:Material: Alloy + Optical glass + PlasticColor: Black Lens Structure: 6 groups of 7Focal Length: 500mmAperture: F6.3Min. Focal Distance: 2mMount Type: T MountImage Frame: Full Frame Operation: Supports manual focus, no aperture adjustmentDigital Image Stabilization: No Mount Diameter: Approx. 95mm / 3.74in Lens Size (Dia x Dia x H): Approx. 9.8 x 4 x 12.2cm / 3.86 x 1.57 x 4.8inWeight: Approx. 708gPackage List:1 x Lens1 x PouchCamera is not included.Note:This lens is only for single lens reflex cameras(lens adapter maybe needed), not compatible with mirrorless interchangeable-lens camera.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.