Best Auto focus

Commlite for Canon EF/EF-S Lens to Sony E-Mount Cameras High-Speed Electronic AF Lens Adapter for Sony A7 A9 A7II A7RII A7RIII A6000 A6300 A6500 V22 Version

【Support Eye Auto-focus】 When connecting the A9, A7R or A7M3 cameras, the CM-EF-EHS can change the portrait photography mode to achieve eye....
【AF Function&Aperture Control】Commlite CM-EF-EHS lens adapter comes with the Gold-Plating Contact, perfectly support high speed Auto Focus, and....
【Usage of Focus Mode Switch ( PDAF&CDAF )】In PDAF (phase detection autofocus ) mode, you can Shorten the focus distance to speed up focusing....
【With USB port firmware update】For adapter firmware update, connect the adapter to computer with USB cable and execute latest file download from....
【Material & Design】Designed with 1/4 screws at the bottom, which can be mounted on the tripod or other retention frame.

11 Elements in 7 groups (1 spherical lens).
minimum focusing distance of 1-Feet (12-Inch).
Features built-in auto aperture and auto exposure chip for auto metering with your camera (only available for Nikon mount).
Ultra-wide 167º diagonal field-of-view for APS-C size image formats will produce a rounded image that doesn't cover the entire frame when used with....
Features improved HD optics for the sharper images.

10x Optical Zoom with Optical Image Stabilizer helps you capture images with flexibility and ease.
Built-in Wi-Fi and NFC allows for easy sharing and transferring of images and videos.
20.0 Megapixel CCD sensor combines with the DIGIC 4+ Image Processor to help deliver stunning image quality.
720p HD video capabilities.Dimensions (W x H x D) 3.75 x 2.24 x 0.93 in. / 95.3 x 56.8 x 23.6mm.
Smart AUTO intelligently selects the proper settings based on predefined shooting situations. Operating temperature:32-104�F / 0-40�C.Auto focus System:TTL Auto focus / Scene Modes such as Fisheye Effect, Toy Camera Effect and Monochrome provide creative freedom to capture your photos / Help Button provides simple explanations and easy control of your settings.

1.YN50mm F1.8, it’s the first prime lens produced by Yongnuo, it suports AF Auto Focus function, and MF manual Focus function..
2.A great prime lens that is an excellent addition to the EOS 18-55mm lens kits..
3.Provides much faster aperture for low light usage and has better edge to edge sharpness..
4.Also works well with cameras such as the 5D, 7D, 60D, 70D, T3, T3i, T5, T5i, plus more..
5.Auto Focus or Manual,2 Inches in Length,0.15 Magnification,46 Degree Maximum Angle of View,6 Elements in 5 Groups,Accepts 52mm Filters.

【SUPPORT AUTO FOCUS & EYE FOCUS】Adopts steady, quick and smooth AUTO FOCUS, Which can capture the high speed moving objects, widely compatible....
【85MM F1.8 STM AF LENS】The 85mm focal length can be easily switched between a half-length portrait and a full-length portrait. Whether it's a....
【10 ELEMENTS IN 7 GROUPS】Features with 10 elements in 7 groups, ideal aperture with 9 blades. New optical technology for good image quality.85mm....
【PRECISE METAL ELECTRONIC CONTACT】The lens is equipped with built-in metal electronic contacts, supports EXIF information transmission, electronic....
【DURABLE & LIGHTWEIGHT STRUCTURE WITH LOTUS HOOD PROTECTION】The All-metal body structure ensures lens assembly accuracy and durability, which only....

If your projector Does NOT have a focus motor in it, then this is the kit for you..
Most common cause for failure of the slide tray to adv. or rev. is the breakage of the small link..
Projectors with Auto-Focus or Remote Focus will need gears too..

With Z87.1 Certification, Auto-focus, and Stereo Audio The Blade Upgraded Smart Glasses now caters to the industry demand for certified eye protection with market-leading AR technology. All units now come with Z87.1 certifications for no additional charge. Prescription inserts sold separately..
Vuzix Blade delivers a hands-free connection of the digital world to the real world, providing unprecedented access to location-aware information, data collection, remote support communications with both audio and video, and more..
The Blade Upgraded Smart Glasses benefit from the same features as the regular Blade and now include an auto-focus 8-megapixel camera, built-in stereo speakers, and advanced Vuzix voice control. No BT headset is required. With these smart glasses, all users now also enjoy the extra peace of mind that comes with their ANSI Z87.1 certification. Prescription inserts are also optionally available for most required vision corrections..
The see-through Waveguide optics merge digital instructions onto real-world tasks, removing distractions, vision occlusion and thereby reducing error rates. At the same time, the wireless device is a complete AV communications tools for remote support applications. Blade Upgraded Smart Glasses safely enable r....

Yongnuo Lens EF 50mm 1.8 for Canon is a 50mm auto fucus lens for creative, art and beauty photography. The wide aperture of 1.8 enables a shallow dept of field..
F1.8 large aperture,virtual background,which makes photography with more fun..
Support auto focus and manual focus mode.
Adopts gold plating for the metal contacts,effectively improve the signal conductivity and corrosion resistance.
Supports M/AV/TV/P and other camera shooting modes,and can be displayed the aperture data in the EXIF Information.

Kit of three extension tube sections: 12mm and 20mm, 36mm - Any combination of tubes can be used for various reproduction ratios.
Designed with all the electrical and mechanical couplings to maintain auto focus and TTL auto exposure.
Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance.
Made of brass, Metal and plastic Construction.