Table of Contents
DZOFILM Arles 18mm T1.4
Summary
The Arles Prime lens series draws its name from the picturesque town of Arles in southern France, a cherished source of inspiration for the artist Vincent van Gogh. Renowned for its abundant sunlight and vibrant colors throughout the seasons, Arles catalyzed van Gogh's departure from conventional artistic styles. DZOFILM's Arles Prime series, with its T1.4 fast apertures, captures the dynamic interplay of light and shadow, igniting fresh possibilities for artistic expression and cinematic creativity.
Tech Specs
| Manufacturer | DZOFILM |
| Series | Prime |
| Model | Arles |
| Focal Length | 18mm |
| Max Aperture | T1.4 |
| Min Aperture | T22 |
| Format | Vista Vision |
| Image Circle | ⌀46.5mm |
| Minimum Focus | 11in |
| Focus Rotation | 270° |
| Iris Blades | 16 |
| Optical Design | 15/13 |
| Squeeze | none |
| Front Diameter | 95mm |
| Filter Thread | none |
| Focus/Zoom Rod | none |
| Native Mount | PL, EF, LPL |
| Data Protocol | none |
| Length | 4.76in (PL), 5.08in (EF) |
| Weight | 1663g |
| Body Telescope | none |
| Body Material | aluminum |
| Focus Drive | manual |
| Iris Drive | manual |
| Zoom Drive | none |
History
Country of Origin: China
Release Date: 2025
Launch Price: $2399
Design Revisions:
Service
This section restricted to Duclos Staff users.
Service Manual: Disassembly/Re-assembly
Full CLA: #hrs.
Enter relevant notes here
Focus Scale Swap: 1 hr.
All Arles Primes include a dual-scale. Remove front housing to swap focus between metric and imperial
Iris Assembly Swap: 2 hrs.
The iris assemblies on these lenses are excessively epoxied into the optical core, and the epoxy used is acetone resistant, so using a razor blade/pick may be the best option.
Optical Centering: 1 hr
21mm: Eight adjustment screws are located under sub-mount. To access and adjust, remove the mount, sub-mount, iris ring, and serial ring. There are access holes where the serial ring mounts. To adjust, re-install the sub-mount and mount to be able to use on the projector.
Focus end play: TBD, 2-3 hrs
cam followers located near the front element may have damage or flat spots
Focus lost motion: TBD, 2-3 hrs.
cam followers located towards the rear of the lens control the focus movement. If damaged or have flat spots, the focus will have lost motion.
Replace RE: 1-2 hrs.
If RE is accessible from rear: 1 hr.
If not, may require removing stacked elements form rear housing tube to access: 2 hrs.
Replace FE: 1-2 hrs.
The front element (at least on the 100mm) is epoxied into its housing in addition to a lock ring!
…end of Staff section