Best Optical Elements

Panasonic Lumix DMC-FZ2500 2.2 High Definition Super Telephoto Lens

2.2x High Definition Telephoto Lens designed to mount atop traditional SLR lenses..
High Definition Digital Lens (3 Groups/3 Elements)..
MultiCoated Optical Glass Uses 72mm Filters..
Extreme Speed Auto Focus yields crisp and clear images..

10 x magnification for optimum resolution of details.
anti-reflection fully multi-coated optics.
Large oculars and long eye-relief distance of 19 mm for overwhelmingly fast impressions and comfortable viewing.
Outstanding stray light Suppression and high contrast enable viewing of finest structures under even the most unfavorable conditions.

Great Compatibility: Universal clip-on design, applicable to mobile phones whose lens is less than 2.8cm away from the edge, suitable for most of dual....
2X Telephoto Lens: Can magnify the image to 2 times, clear image, you can get disortionless picture, the effect of the photographs is close to our....
Multi-layer Optical Lens: Made up with 4 elements 4 groups multi-layer optical lenses,can increase the transmittance and reduce the reflection of....
Easy to Install: Put the lens clip on phone camera first, screw the hardwear to squeezed clip with your phone, then screw the lens into clip in....
Useful Accessories: Comes with a compatible clip for easy installation, with a silicon protective case, convenient for carry..

【Compact & Lightweight】Rugged all-metal body structure, weight only 0.18lb/80g..
【Optical structure】5 elements in 4 groups, aperture range: F/8.0..
【Extra-low dispersion lens】This lens features 3 extra-low dispersion (ED) elements, which helps to correct chromatic aberrations or optical color....
【Unique manual focus lever】Due to its slim size design, The lens adopts a unique manual focus lever. with the length scale and smooth design, you....
【Kindly note】the manual focus lens can't be recognized by the camera automatically, please change the camera setting to "release without lens"....

Enhanced Telephoto Versatility Affordable and portable gateway to extend telephoto reach.
ideal for sports, wildlife, surveillance and more..
1.7x Optical Conversion Factor Increases the focal length by 70% of select compatible NIKKOR lenses..
Nikon Integrated Coating (IC) Enhances light transmission efficiency, improves color consistency and reduces flare..
Advanced Optical Design 7 elements in 5 groups optimized for use with FX and DX digital SLRs, engineeredto meet the needs of professional photographers..
Lens CompatibilityThe following lenses may be used with the Nikon TC-17E II, some with noted functional limitations. NIKKOR lenses not listed cannot be used with the TC-17E II. The list includes current lenses along with lenses for which production may have ceased. Lenses that are no longer in production are shown only for your convenience as a compatibility reference..

INCREDIBLY SHARP: Five ED (Extra-low Dispersion) glass elements and one aspherical element in a new optical design offer superb resolution and image quality throughout the zoom range.
BEAUTIFULLY SMOOTH BACKGROUNDS: An 11-blade circular aperture mechanism makes it possible to use the narrow depth of field available at super-telephoto focal lengths to produce striking images.
CAPTURE ALL THE DETAIL: Sony Nano AR Coating to eliminate flare and ghosting.
FAST AND PRECISE: A high-power DDSSM (Direct Drive SSM) focus drive system provides the speed and precision required for both stills and video shooting..
PROFESSIONAL ERGONOMICS: Built-in Optical SteadyShot image stabilization compensates for camera shake that can blur images when shooting handheld..