Convergent Design Gemini 4:4:4 Uncompressed Video Recorder
The Convergent Design Gemini 4:4:4 Uncompressed Video Recorder is a 10-bit video recorder that connects to a camera via HD-SDI, and records uncompressed 4:4:4 video as DPX files to up to two removable 1.8" Solid State Drives (SSDs). Weighing only a pound and recording the highest-quality HD formats to readily available removable media, the Gemini recorder is an ideal companion to compact cameras that feature 4:4:4 SDI output, such as the Sony PMW-F3.
That's not to say the Gemini isn't suitable for other large-sensor, small-form-factor cameras (such as the Panasonic AG-AF100) that feature 8-bit, 4:2:2 HD-SDI output; if nothing else, the advantages of bypassing the camera's compression still apply here. And there are professional-level workflow options like recording footage to both SSDs (for instant backup: planned future support – not currently supported) that serve well any serious digital cinema production.
But many of the features that set apart the Gemini are those that take advantage of 3G / dual-link SDI transmission. There's 4:4:4 recording of 1080p25 and 1080p23.98 for cinematic frame-rate capture. (Other formats as well as playback and recording functions will be supported with future firmware releases – not included.)
Another key feature that makes Gemini 4:4:4 a true tool for digital cinematography is its support for Sony's S-Log gamma function, which is available for the PMW-F3 via a firmware upgrade. When applied to footage, the S-Log look-up table (LUT) provides additional stops of latitude for a wide dynamic range, setting up recorded DPX files beautifully for any digital intermediate (DI) post-production workflow. You can simultaneously record S-Log video to one SSD (for online editing) and the same footage with other burned-in LUTs to the second SSD (for easier & faster creation of offline proxies).
Transferring footage to an editing system is simple. The Gemini 4:4:4 comes with an SSD-to-eSATA transfer station, so you can easily drag files to your Mac or PC and start editing either uncompressed files or with any editing codec in many popular NLE applications (currently the software supports Avid, Final Cut Pro, Premiere, Smoke, Flame, and DaVinci).
Note! The necessary 1.8" 256 and 512 GB SSD drives are sold separately.
- Built-in 5" touchscreen LCD monitor for both live monitoring and playback, as well as menu navigation
- Full uncompressed 10-Bit 4:2:2 / 4:4:4 Recording to the DPX file format, which is optimized for digital intermediate workflows and visual effects. Audio is recorded as WAV files
- Support for S-Log and Log-C (Log-C via future firmware – not included) with user-programmable 1D LUTs. LUTs can be applied to either SDI output
- Record to two drives in sequence (future support for simultaneous recording, i.e., instant backup – not included)
- Video can be recorded with or without burned-in LUTs, on individual drive basis
- Playback controls include Play and Pause (future functions planned – not included)
- Touch-sensitive menu system with user-defined presets and customizable level of on-screen data
- Mic input & headphone outputs (3.5mm)
- Milled aluminum case
| Supported Standards |
HD-SDI: SMPTE 292M HD-SDI Dual-Link: SMPTE 372M Planned future support for 3G-SDI: 424M |
| Video Formats |
1080p @ 23.98/25 fps Planned future support for 1080p24/29.97/30/50.59.94/60, 720p50/59.94/60, 2048 x 1080p23.98/24 |
| Recording Format |
Video: 10-Bit 4:2:2 / 4:4:4 recording to DPX file format Audio: WAV |
| Video I/O |
4x BNC, (2 input, 2 output, with individual power-down options) 1x HDMI Type C (output) |
| Audio I/O |
Digital: HD-SDI embedded 4 channels, uncompressed, 24-bit, 48 kHz (16 channels in future firmware – not included) Analog: 3.5mm jacks, mic or consumer line level input; headphone or consumer line level output |
| Recording Media |
2x slots for 1.8" Solid State Drives (not included), hot-swappable, 256/512 GB sizes SSD Performance: 260 MBytes/s Write, 415 MBytes/s Read, 6 Gb/s SATA Interface |
| Recording Time |
With 2x 256 GB SSDs:
1080p24 (4:2:2): 66 minutes 1080p24 (4:4:4): 44 minutes 1080p25 (4:4:4): 43 minutes |
| LCD Monitor | 5" LCD, 800 cd/m2, 800 x (RGB) x 480 pixels, 24-bit, 900:1 true contrast, 170° viewing angle (IPS technology), color calibrated at factory |
| Compatible NLE Systems | Avid, Final Cut Pro, Premiere, Smoke, Flame, DaVinci |
| Timecode | HD-SDI Embedded (SMPTE RP-188) |
| Power Requirements | 5-19V DC |
| Power Consumption | 8-15W active / 1.5W power-save mode |
| Start-Up Time | 2 seconds |
| Material | Case: Milled aluminum |
| Operating Temperature | -4 to 122°F (-20 to 50°C) |
| Storage Temperature | -40 to 158°F (-40 to 70°C) |
| Dimensions (HxWxD) | 1.1 x 4.7 x 5.4" (27 x 120 x 138mm) |
| Weight | 1 lb (450 g) |
Media
Required item:
- Price: $749.00
Video Cables
- Price: $18.49
System Extensions
- Price: $1,995.00
This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 2-4 weeks (subject to availability). Your order will be charged at time of shipment.
Power Accessories
- Price: $69.95
Remote Controllers
- Price: $104.95
This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 2-4 weeks (subject to availability). Your order will be charged at time of shipment.
Mounts
-
- Original: $39.95
- Save: $1.00
- Price: $38.95
Bags & Cases
- Price: $124.95
This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 2-4 weeks (subject to availability). Your order will be charged at time of shipment.
What's in the Box
- eSATA Transfer Station
- HD-SDI Cables
- HDMI Cable
- Hot Shoe with 1/4"-20 Ball Mount
- Universal AC Power Supply
- 4-Pin XLR Power Cable
- Custom-Fitted Hard Plastic Case
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