2x (Doubler) 4-element bayonet mount Teleconverter multiplies the focal length of any fine optic it's used with by 2x, maintaining the resolution and contrast at a high level.

2x (Doubler) 4-element bayonet mount Teleconverter multiplies the focal length of any fine optic it's used with by 2x, maintaining the resolution and contrast at a high level.

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

Pen K-5 16.3 Megapixel Digital SLR Camera (Body with Lens Kit) - 0.71"-2.17" - Black - 3" LCD - 3x Optical Zoom - Optical (IS) - 4928 x 3264 Image - 1920 x 1080 Video - HDMI - HD Movie ModeGo ahead and feed your photography obsession with the PEN K-5. For you, capturing that great shot isn't a casual interest. It's a part of your life. One spectacular image after another. This camera is the perfect piece of equipment to help you get your photo fix. With the compact, rugged K-5, the world is truly your studio.Package Contents:K-5 Digital SLR Camera smc DA 18-55mm F3.5-5.6 AL WR Lens USB Cable I-USB7 AV Cable I-AVC7 Strap O-ST53 Rechargeable Lithium-ion Battery D-LI90 Battery Charger D-BC90 Hot Shoe Cover FK Eyecup FR Body Mount Cover Finder Cap for ME Focusing Screen MF-60 Frame Matte... Less

500mm ROKINON Telephoto Lens for PENTAX K mount Lens uses an included T-Mount Adapter 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 ROKINON 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 USA Full... Less

Digital Camera Lenses Pentax K-r Camera Kit W/35mm Lens (Black) NEW 14678 ALL BRAND NEW & FACTORY SEALED Pentax K-r W/ 18-55MM Lens SLR, Professional Pentax K-r W/ 18-55MM Lens SPECIFICATIONS Imaging Camera Type Digital SLR with Interchangeable lenses Lens Mount Pentax K Camera Format APS-C / (1.5x Crop Factor) Resolution Effective Pixels: 12.4 Megapixels Max Resolution: 12.2 MP: 4288 x 2848 Sensor Type / Size CMOS, 23.6 x 15.8 mm File Formats Still Images: DNG, JPEG, RAW Movies: AVI Bit Depth 8-bit 3" Rear Screen LCD (930000)

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 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

The Opteka manual focus 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 f8. It comes complete with a soft pouch and three (3) rear mounted, 30.5mm filters, (ND-2X, ND-4X & Skylight). Opteka mirror lenses incorporates advanced computer designed optics and the latest in multi-coating techniques.á 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.The included Opteka 2X Teleconverter effectivly doubles your zoom converting this lens to a 500-1000mm Super Telephoto! SpecificationsFil ter Size: 72mm front, 30.5mm rearf/Stop... Less

The Polaroid 500mm f/8 Manual Focus Mirror Lens is an ultra-telephoto Mirror lens which, due to its mirror design, is incredibly compact and lightweight for its focal length. This is achieved by using an advanced reflex design. This lens is ideally suited for outdoor, sports, wildlife etc photography. It has a fixed aperture of f/8. This is a T-mount lens, which means that aperture is not communicated to or controlled by the camera body. There are T-mounts available from Polaroid for every DSLR system.Polaroid DNA is optics and lenses (as in Polarizing filters) , this Polaroid 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 and multi... Less

Kit includes: ♦ 1) Rokinon 500mm f/8 Telephoto Mirror Lens ♦ 2) 2x Teleconverter ♦ 3) Pentax AF T-Mount Adapter ♦ 4) Rear Lens Cap for Pentax AF Lenses ♦ 5) Precision Design Deluxe 6 Piece Lens & Digital SLR Camera Cleaning Kit The Rokinon 500mm f/8 Mirror Lens is the perfect option for bringing distant subjects up close, with a remarkable range at an incredibly affordable price. This lens also features a magnification ratio of 1:2.7 for excellent macro shots. Plus, it includes three glass lens filters (Skylight, ND-2X & ND-4X) and a soft carrying pouch. In addition, this lens incorporates the latest techniques in computer design, combining the merits of both reflex and refraction optics to provide extremely sharp picture quality with less color aberration. This kit includes a 2x... 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

Kit includes: ♦ 1) Rokinon 500mm f/8 Telephoto Lens ♦ 2) 2x Teleconverter ♦ 3) Pentax AF T-Mount Adapter ♦ 4) Rear Lens Cap for Pentax AF Lenses ♦ 5) Rokinon 67" Monopod with Carrying Case ♦ 6) LCD Monitor Screen Protection Kit ♦ 7) Precision Design Microfiber Lens Cloth with Neoprene Pouch ♦ 8) Precision Design Deluxe 6 Piece Lens & Digital SLR Camera Cleaning Kit The Rokinon 500mm TelephotoLens utilizes the latest optical multi-coating techniques to provide crisp,high contrast, virtually flare free images of distant subjects, even under adverse lighting conditions. The aperture settings fromf/8 - f/32 retains a full range of exposure, depth of field settings, TTL metering, aperture priority automatic and manual metering. This kit includes a 2x teleconverter that easily attaches to... Less

Kit includes: ♦ 1) Rokinon 500mm f/8 Telephoto Lens ♦ 2) 2x Teleconverter ♦ 3) Pentax AF T-Mount Adapter ♦ 4) Rear Lens Cap for Pentax AF Lenses ♦ 5) Precision Design Deluxe 6 Piece Lens & Digital SLR Camera Cleaning Kit The Rokinon 500mm TelephotoLens utilizes aluminum alloy construction, all glass opticsand the latest optical multi-coating techniques to provide crisp,high contrast, virtually flare free images of distant subjects, even under adverse lighting conditions. The aperture settings fromf/8 - f/32 retains a full range of exposure, depth of field settings, TTL metering, aperture priority automatic and manual metering capabilities of your camera. This kit includes a 2x teleconverter that easily attaches to the included lens and doubles its maximum focal length. This lens... 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

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

Kit includes: ♦ 1) Rokinon 800mm f/8.0 Multi-Coated Mirror Lens ♦ 2) 2x Teleconverter ♦ 3) Pentax AF T-mount Adapter ♦ 4) Rear Lens Cap for Pentax AF Lenses ♦ 5) Cameta Microfiber Cleaning Cloth The Rokinon 800mm f/8.0 Mirror Lens is a high-quality, computer designed product that incorporates the merits of both reflex optics and refraction optics. This combination provides the user with an extremely sharp picture with minimum color abberation. While this lens is designed for high definition telephoto photography, it is also one of the most affordable precision optics available, which allows anyone on any budget to enjoy shooting crisp, clear telephoto pictures. This lens can be easily combined with the included 2x Teleconverter, which extends the focal length of the lens to an amazing... Less

This Kit Includes: 1- Pentax K-r Digital SLR Camera (Includes manufacturer's supplied accessories) 1- Pentax 18-55mm Lens 2- Rechargeable Lithium Ion Replacement Extended Life Batteries 1- Wide Angle Macro Lens w/Pouch and Caps 1- 2x Telephoto Zoom Lens w/Pouch and Caps 1- 3 Piece Filter Kit Includes: UV, Circular Polarizer and Flourescent Filter 1- 16GB SDHC Memory Card 1- USB SD/HC Memory Card Reader 1- Lens Hood 1- Flash 1- Soft carrying case 1- Full Size Tripod w/Carry Bag 1- Pack of LCD Screen Protectors 1- Lens/LCD Cleaning Kit 1- Mini Table Top Tripod More about this camera: The Pentax K-r Digital SLR Camera with 18-55mm Lens (Black) is that lightweight, mid-range 12.4MP digital SLR camera with a 3x zoom lens that also shoots dazzling 720p HD video that you've been... Less

Brand New 0.42x Wide-Angle Conversion Lens with BLACK finish for your Pentax *istD, K100D, K110D, K20D, K1000, K2000 and the 18-55mm "Kit" Lens. Lens attaches by using the included Adapter Ring and screwing directly onto the 52mm filter mount of your existing lens. The 0.42x Lens works with Manual or AutoFocus systems and produces outstanding Wide-angle and Fisheye effects (see demo photos) The 0.42x lens features Heavy Duty, Steel Barrel construction. The Optics are Multi-Coated for better light transmission and anti-reflection. Lens is lightweight and engineered to the highest precision and technical specifications. A Protective Pouch and Front & Rear Lens Caps are included. Comes with a Manufacturer's Lifetime Warranty. Front filter mount diameter is 67mm and can be used for adding... Less

Manufacturer Supplied Accessories: Li-Ion Battery D-LI109 Battery Charger Cradle K-BC109 AC Plug Cord USB Cable I-USB7 Strap O-ST53 Hotshoe Cover FK Eyecup FQ Body Mount Cover Software CD-ROM S-SW110 1 Year Pentax USA Warranty Featured Item: 1- Pentax K-R 12.4 MP Digital SLR Camera with 3.0-Inch LCD and 18-55mm f/3.5-5.6 and 50-200mm f/4-5.6 Lenses (Black) Brand New USA w/ Supplied Manufacturer Accessories The compact, lightweight Pentax K-r is easy to use with Auto Picture, Scene, and Custom Image Processing modes that take the guesswork out of shooting stunning images while still offering a high degree of manual and priority control. The K-r offers a variety of new and improved features including a fast framerate, high ISO sensitivity, responsive autofocus, an improved 12.4-megapixel... Less