lens:cslahelix18mmt2.9
Table of Contents
CSLA Helix 18mm T2.9
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Summary
CSLA is proud to offer this one-of-kind lens set. We’ve re-engineered a classic medium format lens, adding additional optics and a unique de-tuning ring, while maintaining the perfect balance of character and performance. These lenses work in 2 modes and can cover Large Format (Alexa Mini LF / Sony Venice) or 65mm Format (Alexa 265). The most unique feature of the set is a de-tuning ring that rotates from 0 (no de-tune) to 5 (max detune). Dial up the de-tune ring to create increased swirl to the bokeh, softer edges (while maintaining a sharp center), and a slightly more bloomed image.
Tech Specs
| Manufacturer | CSLA |
| Series | Helix |
| Model | - |
| Focal Length | 18mm |
| Max Aperture | T2.9 |
| Min Aperture | - |
| Format | Full-Frame |
| Image Circle | ⌀ |
| Minimum Focus | 11in |
| Focus Rotation | ° |
| Iris Blades | - |
| Optical Design | - |
| Squeeze | - |
| Front Diameter | 136mm |
| Filter Thread | - |
| Focus/Zoom Rod | - |
| Native Mount | PL |
| Data Protocol | - |
| Length | 6.2in |
| Weight | 6.3lbs |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | - |
| Iris Drive | - |
| Zoom Drive | - |
History
Country of Origin: -
Release Date: -
Launch Price: -
Design Revisions:
Service
Notes
Media
lens/cslahelix18mmt2.9.txt · Last modified: 2026/07/31 03:05UTC by Justin Rhoads