500mm F/8.0 HD Mirror Telephoto Lens for Nikon SLR cameras Cameras Condition: A brand-new, unused item in its original packaging Camera Technology: Film, Digital For Camera Type: SLR Maximum Aperture: F/8 Minimum Focus Distance: 5.6 ft. Macro Magnification Ratio: 1:2.7X Lens Construction: 7 elements in 6 groups Filter Size: 72mm (front)/30.5mm (rear) Lens Type: Telephoto, Prime Focus Modes: Manual focus Mount: Nikon F Dimensions (diameter x length): 75mm x 105mm Weight: 12.7 oz. Description: 500mm f/8.0 Mirror is an amazing telephoto lens designed for photographing long range objects. The amazing power of this lens gives you the equivalent of looking through a pair of 10x power binoculars. Great for nature and astro-photography. This 500mm mirror lens is computer-designed using a combination of lenticular light refraction and reflection optics- the same physics used in many professional telescopes. Combined with advanced manufacturing techniques, the result is a lens with very sharp picture. This Mirror lens has the distinct advantage of being extremely compact and light in comparison to its equivalent focal lengths of standard lens design. It has a strong metal body. The lenses are multicoated. Manual focus only. Features: * Use with SLR & DSLR cameras * A Multi-coated low-dispersion glass capable of producing sharp, high definition images Lens Type: 500 mm f/8 Telephoto Mirror Lens Specifications: Elements/Groups: 8/8 Fixed Aperture: f/8 Diameter: 3" Length: 3.4" Weight: 360 grams Coating: Multi Filter Size Rear: 30.5mm Filter Size Front: 72mm Contents: * Mirror Lens * Front and Rear Lens caps * Pouch * 30.5mm filters - ND2, ND4 and Skylight * T2-mount adapter