Larger than f/5.6

This Rokinon 650-1300mm ultra-telephoto zoom lens is incredibly powerful. It s an excellent addition to any photographer s collection. Double its magnification power to a maximum of 2600mm with the included 2X teleconverter. With its tremendous power, this lens is ideally suited for wildlife and sports photography. Multi-coated high definition optics and an integrated lens hood combine to maintain maximum contrast with reduced glare and reflections. It produces sharper, more intense pictures. Take incredibly close shots from long range distances. Aluminum alloy construction provides for a lightweight and rugged design that includes a rotating tripod mount, for balance and stability when mounted on a tripod or monopod. This lens comes complete with a lens case, lens caps and a 1 year... Less

The Opteka 650-1300mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alike. There is a built-in, rotating tripod mount for easily attaching to your tripod or monopod. It's an extremely powerful telephoto zoom lens with the versatility that you need. This lens is great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject. Advances in ultra high-index / low-dispersion optical glasses, new barrel materials, and exotic anti-reflection coatings, along with the latest in computer-aided-des ign / computer-aided- manufacturing), are combined to produce lenses of unprecedented quality. Diamond-cut from crystal-clear, water-white optical glass, Opteka lenses are ground and polished to a precise... Less

Rokinon 500mm/1000mm Mirror Lens f/6.3 Pentax K-m K-x K-r K-5 K-01 K-30 K-5 II Authorized Dealer What's Included: Rokinon 500mm f/6.3 Mirror Lens High Definition 2X Teleconverter T-mount adapter for Pentax other T-mounts available separately Front and Rear Cap Lens Pouch Instruction Guide USA Warranty Card Deluxe Lens Cleaning Kit Will fit these Pentax and similar models: K100D K110D K10D K100D K200D K-m K-x K-r K-5 K-01 K-30 K-5 II Rokinon 500mm/1000mm f/6.3 Mirror Lens Click small picture to

An Opteka High Definition 500mm preset telephoto lens incorporates not only computer optical design, but also the latest optical multi-coating techniques. The process of multi-coating assures virtually flare free photographs even under adverse lighting conditions resulting in crisp, high contrast pictures.Preset Lenses are designed to retain a full range of exposure, automation and metering capabilities of the cameras on which they are mounted. This lens is great for nature and sports photography. The amazing power of this lens gives you the equivalent of looking through a pair of 10x power binoculars. It has a manual preset diaphragm, a rotating tripod mounting collar and a soft lens pouch.Advances in high-index / low-dispersion optical glasses, new barrel materials, and exotic... Less

The EF-S 15-85mm f/3.5-5.6 IS USM sets a new standard for everyday photography on APS-C sensors. With a focal length range equivalent to 24-136mm in 35mm format, image stabilization and high-precision optics, the EF-S 15-85mm f/3.5-5.6 IS USM offers stellar performance from wide-angle through to telephoto. Specifications Focal Length Maximum Aperture: 15 - 85mm 1:3.5-5.6 Lens Construction: 17 elements in 12 groups Diagonal Angle of View: 84 degrees 30' - 18 degrees 25' Focus Adjustment: Inner focusing system with USM Closest Focusing Distance: 1.15 ft./0.35m Filter Size: 72mm Max. Diameter x Length, Weight: 3.2 x 3.4 in./81.6 x 87.5mm, 20.3 oz./575g

The Opteka 650-1300mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alike. There is a built-in, rotating tripod mount for easily attaching to your tripod or monopod. It's an extremely powerful telephoto zoom lens with the versatility that you need. This lens is great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject. Advances in ultra high-index / low-dispersion optical glasses, new barrel materials, and exotic anti-reflection coatings, along with the latest in computer-aided-des ign / computer-aided- manufacturing), are combined to produce lenses of unprecedented quality. Diamond-cut from crystal-clear, water-white optical glass, Opteka lenses are ground and polished to a precise... Less

Konica Minolta 2671160 is a lightweight yet high performance AF 35-80 F4-5.6 II zoom lens. With its slim, silver colored body this lens will complement the look of today's compact and stylish cameras. Its lightweight design also makes it a perfect choice for use with the Minolta Maxxum 300si 35mm SLR film camera which in itself was designed for lightweightedness . The ability for continuous 0.25x macro coupled with a 2.3X, 35-80mm zooming range, makes it a good choice for photographers wishing to take beautiful pictures easily