Controls the amount of light entering the lens and the depth of field. Use low numbers (like f/1.8 or f/2.8) to isolate your subject with a blurry background (bokeh). Use higher numbers (like f/8 or f/11) to keep an entire landscape sharp from foreground to background. Shutter Speed Controls the duration the sensor is exposed to light.

The Sony A6400's autofocus system is one of its standout features. With 425 phase-detection points, the camera can quickly and accurately focus on subjects, even in challenging lighting conditions. The autofocus system also features Real-time Eye AF, which can detect and track eyes, making it ideal for portrait and event photography.

The Sony menu system is famously dense. You can bypass it entirely by assigning your most-used features to physical buttons on the camera body. Recommended Custom Key Assignments

By default, the camera automatically switches between the electronic viewfinder (EVF) and the LCD screen using a proximity sensor. If you use the tilting screen frequently, you may find the sensor too sensitive. You can set the "Finder/Monitor" selection to manual in the Setup Menu to prevent the screen from turning off unexpectedly when your hand gets close to the EVF. 2. Choose the Right File Formats

180-degree tilting touchscreen, XGA OLED electronic viewfinder, and no built-in image stabilization (IBIS). Essential Beginner Setup

The is a versatile APS-C mirrorless camera known for its compact design and high-performance autofocus. While it lacks in-body image stabilization (IBIS), its real-time tracking and 4K video capabilities make it a popular choice for vloggers, travelers, and street photographers. Key Specifications Sensor : 24.2 MP APS-C Exmor CMOS sensor.

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Includes built-in Wi-Fi, NFC, Bluetooth, and a dedicated microphone jack for external audio. Sony | Alpha Universe Industry-Leading Autofocus The defining feature of the Sony a6400

It offers features found in higher-end models at a mid-range cost. 3. Mastering the : Key Functions & Setup

The a6100 is the a6400's little brother, sharing the same 24.2MP sensor, 11 fps burst, and 425-point AF system. The key upgrades on the a6400 are the higher-resolution 2.36M-dot viewfinder (vs. 1.44M-dot), expanded ISO to 102,400, and inclusion of video profiles like S-Log and HLG. For a beginner on a very tight budget, the a6100 is a great start, but the a6400 is a much better buy for a small price increase, as it offers significantly more room to grow.

Before diving into the menus, it helps to understand what makes this camera a powerhouse. 24.2 Megapixel APS-C Exmor CMOS

Introduces a slight 1.2x crop, ideal for bringing distant action closer.

Set your Focus Area to . This allows you to position a small target box over your subject. When you half-press the shutter button, the camera locks onto that specific object and tracks it across the frame. Master the Autofocus System

Here’s a comprehensive, user-friendly write-up for a . You can use this for a blog post, YouTube video description, product listing, or camera manual summary.

Sony A6400 Camera Guide (2024)