Best Autofocus Tuning System

Canon Zoom Lens EF 28-80mm 28-80 mm 3.5-5.6 USM Ultrasonic

SAFOX VI phase-matching autofocus system for high-precision, high-speed autofocus operation.
Six-selectable picture modes for simple exposure control.
Built-in flash pops up and discharges automatically if low-light and/or backlight conditions are detected.
Several features for creative control over images.

...rocessing Power: The new front-end LSI and updated BIONZ X image processing engine work together to allow the camera to shoot at faster speeds while also enabling its impressive ISO range of 100-51200 (expandable to ISO 50-204800 for still images) and massive 15-stop dynamic range at low sensitivity settings.
Hybrid Autofocus System: The a7 III features a world class autofocus system consisting of 693 focal-plane phase-detection AF points that cover approximately 93% of the image area, 425 contrast AF points and reliable Eye-AF.
Shoot At up to 8 FPS: The a7 III can shoot continuously at up to 8 fps in live view mode with minimal lag in the high-contrast 2.36-million dot OLED electronic viewfinder or 3-inch 922K-dot tiltable touch LCD screen.
Equipped With: The a7 III is equipped with a refined image processing system that allows it to capture full 24.2MP images at up to 10 fps with continuous and accurate AF/AE (autofocus and auto exposure) tracking for up to 177 Standard JPEG images, 89 compressed RAW images or 40 uncompressed RAW images.

Autofocus 35mm SLR with full manual options.
Three autofocus modes: single-shot, continuous/predictive, and automatic.
Honeycomb-pattern metering system ensures beautiful photos under the most difficult lighting condition.
Quartz date back imprints the date or time right onto the photo.

...ng for up to 177 Standard JPEG images, 89 compressed RAW images or 40 uncompressed RAW images.
4K Recording: High-resolution full-frame 4K movies with full-pixel readout without pixel binning that condenses approximately 2.4 times the amount of data required for 4K movies results in minimal moiré and jaggies.
Hybrid Autofocus System: The a7 III features a world-class autofocus system consisting of 693 focal-plane phase-detection AF points that cover approximately 93 percent of the image area, 425 contrast AF points, and reliable Eye-AF.

Nikon D850 45.7MP Full-Frame FX-Format DSLR Digital Camera (Body Only) - (Black).
PERFECT COMBINATION: 45.7MP FX-Format BSI CMOS Sensor and EXPEED 5 Processor - Ability to shoot continuously at 7 fps for up to 51 consecutive frames.
HQ VIDEO RECORDING: 4K UHD Video Recording and 8K Time-Lapse - Scene Recognition System and Exposure Metering - 3.2" 2.36m-Dot Tilting Touchscreen LCD.
HIGH-QUALITY AUTOFOCUS: 153-Point Multi-CAM 20K Autofocus System with Group-Area AF - 99 cross-type sensors for improved subject recognition in all lighting.
INCLUDED IN THE BOX: Nikon D850 DSLR Digital Camera (Body Only) | EN-EL15a Rechargeable Li-ion Battery | MH-25A Battery Charger | UC-E22 USB Cable | HDMI/USB Cable Clip | AN-DC18 Strap | BF-1B Body Cap | DK-17F Fluorine-Coated Finder Eyepiece.

Your purchase will include all of the Nikon original accessories plus a Limited Nikon 90-Day Refurbished Warranty.
Nikon D3100 14.2MP 1080p Digital SLR Camera Body Only - (Red) - (Renewed).
Step up to the Nikon D3100. It's the affordable, compact, and lightweight photography power-house featuring 18 Guide Modes. Full HD 1080p Video with Autofocus. 3" LCD w/ live view. Fast 11-point Autofocus System and 3 Frames per second shooting..
INCLUDED IN THE BOX: Nikon D3100 DSLR Digital Camera Body - Refurbished | EN-EL14 Battery | MH-24 Battery Charger | DK-5 Eyepiece Cap | DK-20 Rubber Eyecap | AN-DC3 Camera Strap | BS-1 Accessory Shoe Cover | BF-1B Body Cap | Limited Nikon 90-Day Refurbished Warranty.