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FREEFLY Ember S5K (Active EF Mount, 4TB)

BH #FREMBRS5KE4T • MFR #950-00145
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FREEFLY Ember S5K (Active EF Mount, 4TB)
Key Features
  • High-Speed Compact S35 Drone Camera
  • Up to 5K at 600 fps, 4K at 800 fps Video
  • S35 Gpixel Sensor, Active EF Mount
  • 4TB Internal NVMe M.2 SSD
Capture high-resolution, high-speed 5K drone video with the Ember S5K Camera from FREEFLY. The compact S35 camera is designed for continuous high-speed recording and is small enough to mount as a drone payload. The Gpixel S35 sensor captures up to 5K resolution at 600 fps or up to 4K800 to capture clear high-speed slow-motion video. This S5K model features an Active EF mount for use with a variety of EF stock lenses, and it has a global shutter.
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$19,495.00

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FREEFLY Ember S5K EF Mount Overview

From Manufacturer

Capture high-resolution, high-speed 5K drone video with the Ember S5K Camera from FREEFLY. The compact S35 camera is designed for continuous high-speed recording and is small enough to mount as a drone payload. The Gpixel S35 sensor captures up to 5K resolution at 600 fps or up to 4K800 to capture clear high-speed slow-motion video. This S5K model features an Active EF mount for use with a variety of EF stock lenses, and it has a global shutter.

The camera captures 10-bit ProRes format video onto the internal 4TB M.2 NVMe SSD, which can capture up to 36 minutes of video in 5K600 mode and up to 45 minutes of video in 4K800 mode, and the drive is upgradeable. You can control the camera via Wi-Fi via an iOS app workflow, and there is also a 6-pin GPIO port to remotely control start/stop/sync functions. The HDMI output allows you to preview your image using a 1080p monitor.

Power the camera using a separately available power source using the included 4-pin Molex to D-Tap cable with a power plate or battery. Numerous accessories can be added, such as handles, cheese plates, and battery mounts, using the 1/4"-20 and M3 threads around the camera body.

Key Features
  • Capture up to 5K resolution at 600 fps
  • Up to 4K resolution at 800 fps
  • Internal 4TB NVMe M.2 SSD
  • Record up to 36 minutes in 5K600 and up to 45 minutes in 4K800
  • Gpixel S35 sensor
  • Active EF lens mount  
  • Fast iOS-based app workflow
  • 10-bit ProRes codec
  • Global shutter
  • Wi-Fi control via iOS app
  • HDMI output (1080p)
  • Multiple M3 and 1/4"-20 accessory mounting threads
  • 4-pin Microfit Molex power input with CANbus
  • 6-pin GPIO for start/stop/sync UART
  • USB-C 3.2 (data only)
UPC: 660251527055

FREEFLY Ember S5K EF Mount Specs

Key Specs
Lens Mount
Canon EF with Included Adapter
Image Sensor
Size-Unspecified
Effective Sensor Resolution
21 Megapixel (5120 x 4096)
Image Stabilization
No
ISO/Gain Sensitivity
Native: 100 to 400
Max Recording Modes
ProRes 10-Bit
Up to 5K up to 600 fps
Max Video Output
1080p
Media/Memory Card Slot
No
Video I/O
HDMI / USB-C
Mobile App Compatible
Yes: iOS Only
Battery
Built-In Lithium-Ion
Imaging
Lens Mount
Canon EF with Included Adapter
Lens Communication
Yes: with Autofocus Support
Image Sensor
Size-Unspecified CMOS
Effective Sensor Resolution
21 Megapixel (5120 x 4096)
Image Stabilization
No
Internal Filter Holder
No
Capture Type
Video Only
Exposure Control
Shutter Type
Mechanical Focal Plane Shutter and Electronic Global Shutter
ISO/Gain Sensitivity
Native: 100 to 400
Advertised Dynamic Range
11 Stops
Focus
Focus Mode
Automatic, Manual Focus
Video Capture
Internal Recording
ProRes 10-Bit
5120 x 4096 up to 600 fps
4096 x 2160 up to 800 fps
Video Output

1920 x 1080p
Fast-/Slow-Motion Support
Yes
Interface
Media/Memory Card Slot
No
Internal Storage
4 TB
Video I/O
1x USB-C 3.0 / 3.1/3.2 Gen 1 Input/Output
1x HDMI Output
Audio I/O
No
Power I/O
1x Molex 4-Pin Input
Other I/O
1x 6-Pin (GPI) Control Input/Output
Wireless
Wi-Fi 5 (802.11ac)
Mobile App Compatible
Yes: iOS Only
Global Positioning (GPS, GLONASS, etc.)
No
Power
Battery
Built-In Lithium-Ion
Power Consumption
20 W
Environmental
Operating Conditions
32 to 104°F / 0 to 40°C
General
Accessory Mounting Thread
2x 1/4"-20
24x M3
Netflix Approved
Yes
Dimensions (W x H x D)
4.3 x 4.1 x 3.9" / 110 x 104 x 100 mm
Weight
1.8 lb / 830 g (Body Only)
Packaging Info
Package Weight
3.75 lb
Box Dimensions (LxWxH)
7.8 x 7.3 x 7.1"

FREEFLY Ember S5K EF Mount Reviews

Post Shoot Review

By RJ
Rated 4 out of 5
Date: 2026-04-20

I'd like to start off by saying this is a blast to use and watch back. Slow motion is incredible and for being at a price under the usual $50,000+ pricepoint of most, this does an amazing job to get you to where you want to be. It's not the slowest and you lose color (to B&W) when going as slow as possible... Here's my pro and con list to break it down easily: Pros: - Incredible Footage (Comes mostly to lens attached) - Shoots much higher frame rates compared to most all other options at price point - Still allows for standard footage to be filmed (in RAW I might add) - Software is very usable and easy to control with - Multiple Lens Mounts available (Active EF too) - Wifi connection was stable once connected (USB-C or HDMI preffered though) - Just got the BETA Update to increase max framerates 10%+ - App & Monitor Playback is great and easy, perfect for showing shots to crew - Smallrig Arca Cage with V-Mount on the back is a perfect setup and length to connect the short D-Tap power cable to the unit for easy small package on the go. Cons - Max ISO of 400 (Needs a ton of light for high FPS) - Fans can be slightly loud at times - No option to turn off button lights (that I know of), they can be too bright in dark scenes - No Pre-Record or End-Trigger without the media addition (Works fine without, it'd help save some storage though) - No audio options... I think? (See Questions) Question(s) I still have: - What/Why are there Headphone & Aux Audio ports on the front if there is no internal audio?

See any errors on this page?

Does this camera have the ability to increase ISO ...

Does this camera have the ability to increase ISO sensitivity beyond native ISO of 400? If so how high?
Asked by: james
No, the FREEFLY Ember S5K Camera (Active EF Mount, 2.56TB pSLC) has three gain settings: ISO 100, 200, and 400.
Answered by: Elliot A
Date published: 2026-02-13
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