Wide Angle:
The camera's angle of view multiply the camcorder, digital/video camera by 0.45 times, which more than doubles the angle of view of the camera. Great for landscapes or recording in situations where a little creative curvature of field of view or fish-eye effects.
Telephoto:
This 2x professional telephoto conversion lens has been designed to meet the highest optical standards for it's type in the photo industry. It has been crafted to work with ANY digital, still and video cameras which have 58mm filter thread. You just screw this lens on front of your existing lens or adapter. Optimized for use in digital equipment. This unique lens works on ALL Cameras & Camcorders with 58mm size Lens Filter thread! Common compatible models include Canon Rebel T1i XT XS XSi XTi, and many many more!
Product Name: SAL-28F28 28mm f/2.8 Wide-Angle LensMarketing Information: Superb value in a wide-angle lens for interiors, group photos and landscapes. With its precision optics, compact size and wide 75 angle of view, this lens is an excellent choice for sharp, high-contrast shots when you"re working indoors, with people in groups, or in landscapes and urban scenes when you want a panoramic or inclusive shot with lots of detail. Mounted on the Sony alpha DSLR-A100 camera, this lightweight wide-angle lens provides a near-standard 42mm focal length (35mm equivalent).Product Type: Wide Angle LensTechnical InformationFocal Length: 28mmMagnification: 0.13xAperture Range: f/2.8 Physical CharacteristicsDimensions: 2.8" x 1.69"Weight: 6.53 oz MiscellaneousCompatibility: Sony alpha DSLR-A100 Digital SLR Camera
20mm wide angle lens for Canon cameras

Picture the Whole Wide World with the .43x SUPER Wide Lens. This Gorgeous, Professional qualilty Conversion Lens increases your Wide Angle capability by 0.43x simply by screwing directly onto the front of your existing lens. The Lens has a 58mm REAR thread and comes with a 52mm Adapter for attaching to the Nikon Nikkor 18-55mm lens (or any other lens with a 52mm or 58mm filter diameter). PLEASE NOTE: Your existing lens MUST have a filter diameter of 52mm or 58mm in order for the Conversion Lens to mount (however, adapter rings are available). Create an image from Wide to SUPER-Wide to FISH-EYE depending on the Focal Length of your Base Lens. The .43x will work with Manual focus or AutoFocus lenses. The .43x lens front filter size is an Extraordinary 82mm -this large front end means that there will be much less "vignetting" (corner shadows) than with smaller, ordinary conversion lenses. Lens is compatible with infrared and has MACRO focus capability. MACRO MODE: Macro Mode is accomplished by unscrewing the front lens assembly and using only the section labeled MACRO with your existing lens. Lens comes with Protective Pouch and Front & Rear Lens Caps.

Brand New 0.42x Wide-Angle Conversion Lens with BLACK finish for your Canon XT, XTi, XS, XSi, T1i, 20D, 30D, 40D, 50D dSLR and the 18-55mm "Kit" Lens. Lens attaches by using the included Adapter Ring and screwing directly onto the 58mm 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 additional accessories. Have FUN with this lens: Create an image from Wide to SUPER-Wide to FishEye. Great for Realtors who have to shoot tight, interior photos. Excellent for family or other large group gatherings -now you can get everybody in the picture! MACRO Extender is included for Extreme Close-up Photography Macro Mode is accomplished by unscrewing the front lens assembly and using only the section labeled MACRO with your existing lens. Inludes BONUS Zeikos Cleaning Kit with Soft Micro Fiber Cloth, Cotton Swabs, and Lens Cleaning Fluid.
Only few years ago, photographers and videographers were asking for special effect filters. Today, they ask for Cokin filters. A French professional photographer, Jean Coquin, is the inventor of the concept of creative photography. To allow everybody to get a chance to produce great "creative images" Jean Coquin designed a system with the following prerequisites: simplicity, rapidity of use and versatile enough to leave plenty of room for individual inspiration and creativity.PRODUCT FEATURES: ?P? series slim wide andle holder;Supplied under blister ref. BPW-400 with 48p brochure; Helps to eliminate vignetting down to 20mm focal length; Can hold 1 filter max.
0.40X Super wide Angle Auxiliary lens for 82mm digital cameras & camcorders. Perfect for a macro view too!

Fully compatible with all Nikon Digital SLR cameras including the D40 and D40X, the large angle of view of the Sigma 12-24 4.5/5.6 EX DG ASPH Zoom (122 degree super wide angle of view at 12mm along the diagonal axis) is ideal for shooting indoors as well as landscape photography. It has a variable angle of view from 122 degrees to 84.1 degrees. Four Special Low Dispertion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of Glass Mold and one-piece Hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration. By effective arrangement of lens elements and advanced technology this lens has Super Compact dimensions of 100mm full-length, and 87mm Maximum Diameter. It is equipped with an Inner Focusing System that will keep the length of the lens unchanged, while controlling aberration. The models which are equipped with the HSM (Hyper Sonic Motor) System (only in Nikon, Canon and Sigma Camera Mounts) offer Full Time Manual Focusing. It has a minimum focusing distance of 28mm at all focal lengths. This lens is equipped with an integral Petal-Type Hood, to block out extraneous light.
Canon WD-H37 II Wide Conversion Lens for 37mm Filter Diameter Optimized for HD Camcorders; For compatible Canon camcorders / Widens image perspective by about 30% (0.7x). weight: 5.3 oz