af

Nikon Z9 Review

Nikon Z9 Review: It Makes Other Cameras Feel Like Antiques

The Z9 takes a massive leap forward in technology and levels the playing field between Canon and Sony both in its construction and capabilities. While Nikon may have been late delivering a professional mirrorless system, the 120 frames per second (FPS) burst, 8K video, impressive battery life, and "always-on" EVF more than make the wait worth it.

High Resolution Autofocus Camera Module for Raspberry Pi

This 16MP Raspberry Pi Camera with Autofocus is Just $25

ArduCam, a Chinese company known for making open-sourced hardware and software for Arduino and Raspberry Pi systems, has launched a $25 Autofocus Camera for Raspberry Pi boards that offers a resolution 40% higher than the standard 12-megapixel Raspberry Pi HQ camera while maintaining the compact form factor of the 8-megapixel Raspberry Pi V2.

Canon Releases Major Autofocus Firmware Update for the EOS R and RP

If you own Canon's EOS R or EOS RP, download the latest firmware for your camera ASAP. As of last night, Firmware Ver 1.4 and 1.3 for the Canon EOS R and Canon EOS RP, respectively, have been released, boasting improved overall autofocus performance, enhanced Eye and Face Detection AF, and more.

How to Avoid the ‘False Positive’ Autofocus Trap and Nail Sharp Eyeballs

Have you ever been disappointed to find the eyeballs of your subject to be not as sharp as you had expected even though your camera confirmed that autofocus had locked onto them? Photographer Steve Perry of Backcountry Gallery made this 9.5-minute video explaining how he avoids this "false positive autofocus trap" when focusing in tricky situations or on tricky subjects.

Testing the Sony a7R III’s Eye AF Using Canon Lenses

The Sony A7R III boasts some impressive and improved autofocus features. The Eye Autofocus mode is great for locking onto your target, but The Brotographer found that it didn't work perfectly in the previous a7R II with adapted lenses. In this 12-minute video, however, he reveals major improvements for adapted Canon glass on the latest Sony camera.

How DSLR Phase Detection Autofocus Works

Most photographers rely heavily on the capabilities of autofocus systems in DSLR cameras, but knowing how they actually work is something that even experienced photographers may not have learned. Here's a 4-minute video by ZY Productions that helps decode the mystery of DSLR autofocus by explaining the technical details behind it.

Nikon D850 Autofocus Tracking Not as Good as D5, Test Finds

Nikon's marketing says the $3,300 D850's autofocus components are the same as the $6,500 D5, but how do the two cameras stack up in real-world autofocusing? Photographer Matt Granger decided to put the systems to the test, doing a shootout to see how the two cameras' focus and tracking abilities compare.

Apple to Bring 3D Laser Autofocus to iPhone Cameras, Report Says

Apple is reportedly adding a rear-facing 3D laser system to coming iPhones as part of the hardware improvements necessary for full utilization of its recently announced augmented reality development kit (ARKit). As well as depth-sensing for augmented reality application, the laser system will improve autofocus for iPhone photographers.

This Basketball Demo Shows the Sony a9’s Blazing Fast Autofocus

Sony is touting its new a9 camera as a sports camera with blazing fast autofocus and shooting speeds. If you weren't impressed with the camera tracking a pole vaulter at 20fps, check out the demo in the video above: the camera accurately keeps its focus locked on a basketball being tossed back and forth near it.

Bye Bye Backfocus: See How Nikon’s Auto AF Fine Tune Works

SLR shooters have been dealing with autofocus misalignment issues for as long as autofocus itself has existed, but thanks to Nikon's new AF Fine Tune feature, what used to be a very annoying and difficult problem can now be fixed with a few button clicks.

8 Common Autofocus Problems and Their Solutions

Having trouble nailing tack-sharp autofocus with your camera? Aside from technical proficiency, there are a number of other issues that could be causing you AF grief. Here's a 14-minute video on 8 common AF problems and their solutions.