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Sony FX3 Dual-Slot Recording: Simultaneous vs Relay and What It Really Protects

Sony FX3 photo: Henry Söderlund, Wikimedia Commons , CC BY 2.0. The Sony FX3 has two media slots, and each slot accepts SD cards or CFexpress Type A cards. That flexibility is useful, but two cards do not automatically mean the footage is backed up. The protection depends on how Recording Media settings are configured. The photograph above shows an FX3. The recording behavior below is based on Sony's published documentation rather than a hands-on card-slot test. The Short Answer Simultaneous recording writes the movie to both cards. It creates in-camera redundancy against a single-card failure. Relay recording uses the second card after the first can no longer record, usually because it is full. It extends continuity, but it does not create a duplicate. Standard recording writes to the prioritized slot and provides neither duplication nor automatic capacity extension unless Auto Switch Media is enabled. For an interview, ceremony, or one-time event, simultaneous recording is usu...

Sony FX3 File Formats Explained: XAVC HS vs XAVC S vs XAVC S-I

Sony FX3 photo: Henry Söderlund, Wikimedia Commons , CC BY 2.0. The Sony FX3 offers several recording formats whose names look similar but behave differently after the shoot. The choice is not simply about image quality. It also affects file size, editing performance, software compatibility, and the memory card the camera may require. This guide is based on Sony's published specifications and Help Guide. The photograph above shows an FX3. The format explanations below are based on Sony's published documentation rather than a laboratory image-quality comparison. The Short Answer XAVC HS 4K uses H.265/HEVC and Long GOP compression. It is efficient when storage space matters, but it can be harder for a computer to decode. XAVC S 4K uses H.264 and Long GOP compression. It is the practical compatibility choice for many everyday projects. XAVC S-I 4K uses H.264 with Intra compression. Each frame is encoded more independently, which usually makes editing and frame-accurate scrubbin...

Sony 24-105mm F4 G OSS on the FX3: Is It the Best One-Lens Setup?

Photo: Amitabha Gupta, Wikimedia Commons , CC BY 4.0. Four Useful Starting Focal Lengths 24mm: establishing shots and interiors. 35–50mm: general coverage and medium shots. 70–85mm: interviews and tighter portraits. 105mm: details and compressed perspectives. The Sony FE 24–105mm F4 G OSS is not the smallest, fastest, or newest E-mount zoom. Its appeal is simpler: it covers a useful focal range without forcing constant lens changes. On the Sony FX3, 24mm can handle establishing shots and tighter interiors, while the middle of the range works for interviews and general coverage. At 105mm, the lens can isolate details and create tighter compositions from farther away. Why the Range Is Practical A production day can move quickly. Changing lenses takes time, exposes the sensor to dust, and may cause a missed moment. A 24–105mm zoom allows one camera to move from a wide view to a close detail in seconds. That flexibility is especially useful for events, documentary-style coverage, trav...

Sony FX3 vs A7 III in 2026: Why I Use One for Video and One for Photos

FX3 photo: Henry Söderlund, CC BY 2.0. A7 III photo: Amitabha Gupta, CC BY 4.0. Sources: Wikimedia Commons. My Quick Decision Planned video shoot: FX3. Photo walk or still assignment: A7 III. Reason to keep both: each body stays configured for its primary job. Owning two full-frame Sony cameras does not mean I use them interchangeably. In my kit, the division is simple: the Sony FX3 is the camera I prepare for video, while the Sony A7 III is the camera I reach for when I want to make photographs. This is not a laboratory comparison, and I am not trying to declare a universal winner. The cameras come from different generations and were built around different priorities. What matters to me is that each body has a clear role. Why the FX3 Handles Video The FX3 is designed around motion production. Its large record button, threaded mounting points, active cooling, full-size HDMI connection, headphone output, and dual CFexpress Type A/SD card slots make it easier to keep configured as...

Sony FX3 Memory Cards: When V30 SD Works and When You Need CFexpress Type A

Photo: Henry Söderlund, Wikimedia Commons , CC BY 2.0. Choosing a memory card for the Sony FX3 is more complicated than buying the fastest card you can find. The camera accepts both SD cards and CFexpress Type A cards in either slot, but the card required changes with the recording format, bitrate, frame rate, and whether proxy recording is enabled. My current kit includes an Angelbird AV PRO CFexpress Type A 1TB card, SanDisk Extreme 512GB V30 cards, and SanDisk Extreme PRO V30 cards in 256GB and 64GB capacities. They do not all serve the same purpose. Here is the simple way I separate their roles. The Short Answer V30 SD cards: useful for supported lower-bitrate recording, including certain modes at 200 Mbps or below. V60 SD cards: the practical minimum for many XAVC HS 4K and XAVC S 4K settings above that range, up to 280 Mbps according to Sony's compatibility table. V90 SD cards: required for XAVC S-I 4K and XAVC S-I HD recording when using SD media, as well as some high...

How to reset ZTE Avid Plus

1. Turn off the device. 2. First, press and hold just the Power button for 1-2 seconds, then quickly press and hold the Volume Up button. 3. Continue to hold both buttons until the Select Boot mode screen displays. 4. Press Volume Up to cycle through the options and point to Recovery Mode. 5. Press Volume Down to select. 6. An android laying down with a yellow triangle will appear. 7. Press and release the Volume Up and Power keys at the same time. 8. Android system recovery will appear. 9. Press Volume Down to highlight wipe data/factory reset. 10. Press the Power key to select. 11. Press Volume Down to highlight Yes -- delete all user data is highlighted. 12. Press the Power key to select. 13. Select reboot system now to restart the phone.

How to reset Samsung Galaxy J7

1. Turn off the device.  2. Press and hold the Volume Up and Home button,  then press and hold the Power button. 3. When the Android logo appears, release all buttons. 4. Use the Volume button to highlight 'wipe data / factory reset', then press the Power button to select. 5. Use the Volume button to highlight 'Yes -- delete all user data', then press the Power button to select. 6. When reset is down, highlight 'Reboot system now', then press the Power button to restart the phone.