The Sigma Corporation is pleased to announce the Sigma APO 70-200 F2.8 EX DG OS HSM. This large aperture telephoto zoom lens incorporates Sigma's original Optical Stabilizer function. The lens covers a medium telephoto range of focal lengths from 70mm to 200mm and has a large maximum aperture of F2.8 throughout the entire zoom range. The OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. For Sony and Pentax mount, the built-in OS function of this lens can be used even if the camera body is equipped with an image sensor shift anti-shake system. As compensation for camera shake is visible in the view finder, the photographer can easily check for accurate focus and ensure there is no subject movement. Two FLD (F... Less

Lens Hood - 1 Year International Warranty plus 3 Year Sigma U.S.A. Extended Warranty (Total Warranty is 4 Years from Date of Purchase) Tiffen 77mm Photo Essentials Filter Kit (Ultra Violet.Circular Polarizer,& Warming Filter) - Lens Cap Leash - Professional Lens Cleaning Kit.Sigma's New APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma's Optical Stablization function, OS, Sigma's own anti-shake system. Two FLD glass elements, which have the performance equal to fluorite glass have also been added along with three SLD glass elements, all which provide excellent correction of color aberration. In spite of the additions of all of these features, Sigma has managed to make the lens more compact than its predecessor,... Less

The dedicated 1.4x APO Teleconverter features a high performance 5 element/3 group optical design, and it is optimized for use with long telephoto and telezoom lenses.The high performance optical characteristics of these teleconverters maintain the optical performance of the compatible lenses with which they can be used. Sigma APO Tele Converter 1.4x and 2x are dedicated Tele Converter lenses, which should be used only with the listed lenses. The 1.4X Convertor will fit the following lenses 180mm f/3.5 APO MACRO EX HSM - MF 300mm f/2.8 APO EX HSM - AF 300mm f/4.0 APO MACRO - MF 400mm f/5.6 APO MACRO /HSM - MF 500mm f/4.5 APO EX HSM - MF 800mm f/ 5.6 EX HSM - MF 70-200mm f/2.8 EX HSM - AF 70-210mm f/2.8 - MF 50-500mm f/4-6.3 APO - MF 100-300mm f/4 EX HSM - AF 120-300mm f/2.8... Less

16MP, 1080 Video, 3" LCD, Weather Sealed advanced 11-point AF engine with new optics , top-of-its-class weather seals make it resistant to water, fog, snow, sand, and dust,cold-proof down to 14 degrees Fahrenheit

2X REAR TELE CONVERTER-A EXTENDER FOR PENTAX K MOUNT LENS S New Page 1 Brand New in the box DOUBLES THE ZOOM OF YOUR EXISTING LENS PENTAX Made in Japan Teleconverter 2X an efficient tool to add focal length to the photographer's arsenal. However, dedicated-type teleconverters have certain limitations in performance when used with ultra-telephoto lenses of 200mm or longer as compensation of chromatic aberration alone becomes highly critical in this focal length range. This new PRO Vivitar series teleconverter is specifically designed and optimized for use with such ultra-telephoto lenses to deliver maximum resolution, contrast and color rendition without degrading any aspect of the master lens performance. The 2X doubles the focal length of your existing (master) lens and makes the lens... Less

PF-65ED-A IIDesigned for high-precision outdoor viewing, along with enhanced optical quality which provides truer color tones. With porro-prism optics and a 65mm objective lens with extra-low dispersion optical elements, they deliver sharp, high-contrast images. viewing in inclement weather won't be a problem as the PF-65ED-A II is waterproof and nitrogen filled (JIS Class 6). Features a 45-degree slanted lens barrel for comfortable viewing in just about any situation. Enhanced optical qualityFully- multi-coated optics provide the maximum light transmission with little glareED glass optical elements give truer colors and sharper imageAngled 45-degrees to meed a variety of viewing situationsAiming line built into hood for quick subject acquisition1.25" eyepiece attachment accepts any... Less

16MP, 1080 Video, 3" LCD, Weather Sealed advanced 11-point AF engine with new optics , top-of-its-class weather seals make it resistant to water, fog, snow, sand, and dust,cold-proof down to 14 degrees Fahrenheit

This PENTAX macro lens features a high-grade, aluminum barrel with the high-quality, exclusive exterior design and finish unique to the PENTAX D FA series lenses.  Further, the entire mechanism of the focus ring has been reviewed and upgraded to assure flawless manual-focus operation.  For improved performance, the PENTAX D FA MACRO 100mm F2.8 WR is the first PENTAX interchangeable macro lens featuring a completely rounded diaphragm blade to create a natural, beautiful bokeh at wide apertures, while minimizing the streaking effect of point light sources. PENTAX WR lenses feature simplified weather- resistant construction to repel water and moisture.  Combin ed with a PENTAX weather- resistant K-7, K20D, K200D or K10D digital SLR camera body, the lens performs well in damp, inclement... Less

500mm BOWER Telephoto Lens for PENTAX K mount Lens uses a Pentax T-Mount Adapter, which is included, and will work with many Pentax Film SLRs and virtually ALL Pentax Digital SLRs. Use this lens with the Pentax K1000, ME Super, LX, ZX-10, ZX-50, ZX-M, *ist, *istD, K10D, K100D, K20D, K2000, K-7 and many more. The BOWER 500mm is all BLACK. It utilizes Aluminum Alloy construction for strength yet remains lightweight. Product Features: Aperture settings from f/8 to a very usable f/32 ! 4 Elements/ 4 Group Optic Construction Minimum focusing distance is 33ft (10.0m) Filter Size is 67mm Length is 11.70 in (focused Close In) Weight is 22.6oz Uses a T-Mount Adapter (Pentax "K" Adapter included) Has an Adjustable Tripod Mount Includes Soft Case, Front & Rear Caps Comes with a... Less

The 8mm f/3.5 Pro-Optic Fish-Eye CS lens is a breakthrough in optical design producing the first affordable fish-eye lens designed for digital SLRs that have APS-sized sensors. APS-C sensors have a multiplication factor of 1.5 or 1.6X so the effect the lens produces will vary slightly between cameras. The well-constructed and precision designed lens features a built in lens hood and a sturdy locking lens cap to protect the large front element from damage when it's stored or not being used to make photographs. The optical construction consists of ten elements in seven groups and is computer optimized to produce clear, crisp photographs, which is critical with a lens like this that is capable of extreme depth-of-field. When set at f/22 the result is a great range in depth-of-field that... Less

The Opteka mirror lens is incredibly compact and lightweight. Using an advanced reflex design, this is a mirror lens that is ideally suited for wildlife and sports photography. It has a fixed aperture of f6.3. Opteka mirror lenses incorporates advanced computer designed optics and the latest in multi-coating techniques. The process of multi-coating assures virtually flare free photographs even under adverse lighting conditions resulting in crisp high contrast pictures with full color fidelity.When combined with the T-mount to fit your camera system, this mirror lens mounts to camera and works on both "full frame" cameras as well as the "APS-C" style digital SLR cameras. T-Mounts are available for all the digital SLR systems, as well as for C-mount systems. However, in every case the... Less

Bayonet Hood & Case, 1 Year International Warranty plus 2 Year Sigma U.S.A. Extended Warranty (Total Warranty is 3 Years from Date of Purchase).This ultra-telephoto zoom lens covers a telephoto range up to 500mm and allows photographers to bring the subject close and short perspective. Sigma's original OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower. It is ideal for sports, wildlife and landscape photography with handheld shooting. Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with a rear focus system that minimizes fluctuation of aberration caused by focusing. The super multi-layer lens coating reduces flare and ghosting. High image quality is assured... Less

16MP, 1080 Video, 3" LCD, Weather Sealed advanced 11-point AF engine with new optics , top-of-its-class weather seals make it resistant to water, fog, snow, sand, and dust,cold-proof down to 14 degrees Fahrenheit

Pentax SMCP-DA 14mm f/2.8 ED IF Digital Auto Focus Lens - Lens Hood 77mm UV Wide Angle Glass Filter - Professional Lens Cleaning Kit.For Digital SLR Cameras only, Does not work with non-digital Cameras. The smc PENTAX-DA 14mm F2.8 ED [IF] interchangeable wide-angle lens was developed as a second model of the new DA-series lineup. At 14.8 ounces and measuring just 2.7 inches long and 3.3 inches in diameter, the lens is one of the lightest in its category. The lens features a standardized DA-series design incorporating high-grade metallic components with green accents. Featuring a focal length of 14mm (equivalent to 21mm in the 35mm format) and a 90-degree angle of view, this high-performance wide-angle lens incorporates a high-refraction, low-dispersion glass element and an Extra-low... Less

16MP, 1080 Video, 3" LCD, Weather Sealed advanced 11-point AF engine with new optics , top-of-its-class weather seals make it resistant to water, fog, snow, sand, and dust,cold-proof down to 14 degrees Fahrenheit