Best Auto Focus Lenses

PANASONIC LUMIX G II Lens, 20MM, F1.7 ASPH, MIRRORLESS Micro Four Thirds, H-H020AK (USA Black)

20mm focal length, equivalent to 40mm on a 35mm film camera.
Closest Focusing Distance : 0.2m / 0.66ft, Maximum magnification Approx. 0.13x / 0.25x (35mm camera equivalent).
F1.7 brightness for beautiful, soft focus, Comprised of seven lenses in five groups.
Used with Lumix G Micro System Cameras, allows for use of the advanced contrast Auto Focus (AF) system.

MANUAL ADAPTER: This is Manual adapters without electronic contacts, which therefore don't support auto-focus or aperture control. You need to....
Smooth surface for effortless mount,infinity focus allowed.
Made of brass and aluminum (not plastic), anodized aluminum construction.Diaphragm control....
Compatible Cameras (Including, but not limited to): Sony NEX-3 NEX-3C NEX-3N NEX-5 NEX-5C NEX-5N NEX-5R NEX5T NEX6 NEX7 NEX-F3 a6000 a5000 a3500 a3000....
Please note: Infinity focus position：the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to....
As Canon's EOS lenses are electronically controlled，most Canon EF mount lenses do not feature a manual aperture ring，so when used on our canon to....

5x zoom designed specifically for DSLR APS-size CCD.
Superb performance from wide angle to telephoto.
2 glass-molded aspherical lenses for extra precision.
Circular aperture for pleasing defocused effects.Equivalent 35mm when mounted on an APS format DSLR - 24 - 120mm.
Auto clutch to stop manual focus ring rotation, wide focus ring for a solid feel in manual focusing.

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..

【Features】F1.7 large aperture, 9 blades in 8 groups, including 2 ED ultra-low dispersion lenses. 7pcs Aperture blades, Auto Focus and Manual Focus.
【Compatible with Olympus and Panasonic Cameras】Olympus: E-M5 Mark II, E-M10 mark III, E-M10 IV, E-PL9, E-PL10, PEN-F.
Panasonic: G100, GH5, G9, G95, G85, GX9, GX85, GF-10, GF-9, GF-8.
【Micro 4/3 System Standard Prime Lens】Micro Four Thirds Lens Mount ( M4/3 MFT System), suitable for landscape, portrait, street snap, night scene and indoor scene..
【F1.7 large aperture, support AF and MF】With an F1.7 large aperture, easy to blur the background. Support full-time manual focus, free to switch focus mode. The closet focusing distance is about 0.30m, and the maximum magnification is about 0.15 times..
【High precision STM stepper motor】This 42.5mm F1.7M II lens equipped with high speed and high precision STM stepper motor. Cooperate with brand new control circuit, achieve fast, quiet and precise focus..

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..

【STANDARD 0.8 MOD】SmallRig Seamless Focus Gear Ring 3292 is designed to fit lenses for precise and stable focal length adjustment. It features standard 0.8 MOD and allows you to add 0.8 MOD gears to a compatible lens for use with cine follow focuses..
【FITS LENS PERFECTLY】Moderate stiffness, SmallRig Φ66-Φ68 Seamless Focus Gear Ring 3292 fits lens perfectly. This 66mm to 68mm size fits virtually all lenses of the same outer diameter..
【SUPPORT 360° ROTATION】It makes less noise and no distortion, allowing 360º smooth rotation and precise focus adjustment..
【SEAMLESS SWITCHING】The ring is made by elastic material, suits lens seamlessly and evenly. (Please Note: Gear slippage or jam may occur when mounted onto lenses larger than Φ66-Φ68mm across.).
【RELATED ACCESSORIES】The ring 3292 can work with SmallRig Mini Follow Focus 3010 and other follow focus systems, such as Seamless Focus Gear Ring 62.5 to 64.5mm 3291, 72 to 74mm 3293, 75 to 77mm 3294, 78 to 80mm 3295, 81 to 83mm 3296..

...erve the natural world in exquisite detail. Whether you're whale watching or sitting in the backyard, we've got you..
ULTRA-CLEAR & CRISP VISION - What sets our auto focus binoculars apart is the ultra-sharp optics and vision they produce. This is because our lenses are constructed from BAK4, which is considered the best type of prism material. It has a high refractive index and a lower critical angle than other materials, which means it transmits light better with greater efficiency. Resulting in super high-quality stable vision to enjoy..
COMPACT LIGHTWEIGHT & DURABLE - Our bird watching binoculars are compact, portable and 100% waterproof. Our powerful binoculars will fit easily in your pocket, making them the perfect pocket binoculars to travel with. You'll be amazed by the level of durability and shock resistance integrated into our innovative design. When exploring nature, you won't need to worry about scraping or dropping your binoculars, we have tested them thoroughly to make sure they are the ultimate adventure companion..
THE BENCHMARK IN BINOCULARS - At Mahauk, we have created the benc....