Camera sensor mode optimized for anamorphic lenses – typically 4:3 or 6:5 ratio that maximizes sensor usage when shooting with 2x squeeze anamorphic optics.
What is Anamorphic Mode?
Anamorphic Mode is a sensor mode in digital cinema cameras optimized for use with anamorphic lenses. It activates a larger or differently proportioned sensor area to optimally utilize the image circle of anamorphic lenses.
Why Special Modes?
| Problem | Solution |
|---|---|
| Image Circle | Anamorphics project an oval image |
| 16:9 Wasted | Wide 16:9 sensor doesn't use full height |
| Resolution | More pixels = more quality |
| Aspect Ratio | 4:3 × 2 = 2.66:1 Scope |
Typical Anamorphic Modes
| Mode | Sensor Ratio | With 2x | With 1.33x |
|---|---|---|---|
| 4:3 | 1.33:1 | 2.66:1 | 1.77:1 |
| 6:5 | 1.20:1 | 2.40:1 | 1.60:1 |
| Open Gate | Varies | Varies | Varies |
| 16:9 | 1.78:1 | 3.56:1 | 2.37:1 |
Camera-Specific Modes
ARRI Alexa 35
| Mode | Resolution | Ratio |
|---|---|---|
| 4:3 4.6K | 4608 × 3164 | 1.46:1 |
| 6:5 4K | 4096 × 3456 | 1.19:1 |
| Open Gate | 4608 × 3164 | Full |
RED V-Raptor
| Mode | Resolution | Ratio |
|---|---|---|
| 8K VV Full | 8192 × 4320 | ~1.90:1 |
| 6K 2.4:1 | 6144 × 2560 | Anamorphic |
| Custom | Flexible | Variable |
Sony Venice
| Mode | Resolution | Ratio |
|---|---|---|
| 6K 3:2 | 6048 × 4032 | 1.5:1 |
| 4K 4:3 | 4096 × 3024 | 1.35:1 |
| 4K 6:5 | 4096 × 3432 | 1.19:1 |
Optimal Combination
| Squeeze | Recommended Mode | Result |
|---|---|---|
| 2x | 4:3 or 6:5 | 2.66:1 or 2.40:1 |
| 1.8x | 4:3 | 2.40:1 |
| 1.5x | 4:3 | 2.00:1 |
| 1.33x | 16:9 Open Gate | 2.37:1 |
Workflow Considerations
| Aspect | Impact |
|---|---|
| Data Rate | 4:3 has more pixels than 16:9 crop |
| Storage | Higher resolution = more storage |
| Processing | More complex post-production |
| De-Squeeze | Must be applied in post |
On-Set Setup
| Step | Activity |
|---|---|
| 1 | Select Anamorphic Mode in camera |
| 2 | Confirm recording format |
| 3 | Enable Monitor De-Squeeze |
| 4 | Enable Viewfinder De-Squeeze |
| 5 | Set frame lines for final ratio |
De-Squeeze in Post
| NLE | Procedure |
|---|---|
| DaVinci Resolve | Anamorphic De-Squeeze in project/clip |
| Premiere Pro | Interpret Footage |
| FCPX | Anamorphic Override |
| Avid | Source Settings |
Challenges
| Problem | Solution |
|---|---|
| Incorrect Mode | Careful preparation |
| Monitor without De-Squeeze | Always enable De-Squeeze |
| Wrong Post-Production Setting | Check metadata |
| Storage Surprise | Calculate beforehand |
Comparison: 4:3 vs. Open Gate
| Aspect | 4:3 Mode | Open Gate |
|---|---|---|
| Pixels | Moderate | Maximum |
| Cropping Possible | Limited | Flexible |
| Data Rate | Lower | Higher |
| Workflow | Simpler | More complex |
When to Use Which Mode?
| Situation | Recommendation |
|---|---|
| 2x Anamorphic, 2.40:1 | 6:5 Mode |
| 2x Anamorphic, 2.66:1 | 4:3 Mode |
| 1.33x Anamorphic | 16:9 or Open Gate |
| Maximum Flexibility | Open Gate |
Today
The correct Anamorphic Mode maximizes image quality and sensor efficiency. Modern cameras offer numerous options – understanding the mathematics between squeeze, sensor, and final ratio is essential for optimal results.
More in the lexikon
Related terms
Camera · Technique
Anamorphic 2x
Classic full-squeeze anamorphic lens system – horizontally compresses image by factor of…
Camera · Technique
Anamorphic 1.33x
Camera · Technique
4:3 Sensor Mode
Camera · Technique
6:5 Sensor Mode
Camera · Technique
Open Gate / Full Sensor Mode / Full Frame / Uncropped Mode
Camera recording mode utilizing the full sensor area without cropping – captures maximum…