1. Introduction
This manual provides essential information for the proper use and maintenance of your TTArtisan 35mm T2.1 Dual Bokeh Cine Lens. Please read it thoroughly before using the product to ensure optimal performance and longevity.
Figure 1: Front view of the TTArtisan 35mm T2.1 Dual Bokeh Cine Lens.
2. Key Features
- Dual Bokeh Design: Offers distinct Bubble Bokeh and Soft Bokeh modes for varied visual effects.
- T2.1 Large Aperture: Provides excellent low-light performance and enhanced depth of field.
- Classic 35mm Focal Length: Ideal for blending environmental context with subject expression.
- Precise Focus Control: Features a 313° focus throw in Soft mode for accurate adjustments.
- Robust Construction: Durable metal body for reliable use.
Figure 2: Illustration of the unique Dual Bokeh Design.
Figure 3: Example showcasing the T2.1-22 large aperture.
3. Package Contents
Verify that all items are present in the package:
- 35mm T2.1 Lens x 1
- Rear Cap x 1
- Front Cap x 1
- User Manual x 1
- Box x 1
- Card x 1
Figure 4: Contents included in the product package.
4. Setup
4.1 Attaching the Lens
- Remove the rear lens cap from the TTArtisan 35mm T2.1 lens.
- Remove the body cap from your L-Mount camera.
- Align the red dot on the lens with the corresponding mark on your camera's lens mount.
- Gently insert the lens into the camera mount and rotate it clockwise until it clicks into place.
4.2 Detaching the Lens
- Press and hold the lens release button on your camera body.
- Rotate the lens counter-clockwise until it detaches from the camera body.
- Attach the rear lens cap to the lens and the body cap to the camera to protect them from dust and damage.
Figure 5: The TTArtisan 35mm T2.1 lens correctly mounted on a camera body.
5. Operating the Lens
5.1 Manual Focus
The TTArtisan 35mm T2.1 is a manual focus lens. Rotate the focus ring to adjust the focus. The lens features a 313° focus throw in Soft mode and 131° in Bubble mode, allowing for precise focus adjustments.
- Soft Mode Focus Throw: 313°
- Bubble Mode Focus Throw: 131°
Figure 6: Adjusting the focus ring on the lens.
5.2 Aperture Control
The lens features a T2.1 to T22 aperture range. Rotate the aperture ring to select your desired T-stop. The large T2.1 aperture is ideal for low-light conditions and creating shallow depth of field.
Figure 7: The aperture ring with T-stop markings.
5.3 Dual Bokeh Modes
This lens offers two distinct bokeh modes: Bubble Bokeh and Soft Bokeh. A slider on the lens barrel allows you to switch between these modes.
- Bubble Bokeh: Creates a background with distinct, circular out-of-focus highlights. Minimum focusing distance is 0.55 meters.
- Soft Bokeh: Produces a smooth, creamy background blur. Minimum focusing distance is 0.28 meters.
Figure 8: Visual representation of Bubble Bokeh.
Figure 9: Visual representation of Soft Bokeh.
Figure 10: The slider for switching between Bubble and Soft Bokeh modes.
6. Maintenance
- Keep the lens caps on when not in use to protect the front and rear elements.
- Clean the lens elements with a soft, lint-free cloth and a specialized lens cleaning solution. Avoid touching the glass with bare hands.
- Store the lens in a dry, cool place, away from direct sunlight and extreme temperatures.
- Avoid exposing the lens to dust, dirt, and moisture.
7. Troubleshooting
- Image is blurry: Ensure the lens is properly focused using the manual focus ring. Check your camera's focus peaking or magnification assist features.
- Lens not attaching to camera: Verify that the lens mount type matches your camera (L-Mount). Ensure the red alignment marks are correctly matched before rotating to lock.
- Dust on images: Clean the front and rear lens elements. If dust persists, it may be on your camera sensor, which requires professional cleaning.
8. Specifications
| Feature | Detail |
|---|---|
| Focal Length | 35mm |
| Aperture Range | T2.1-22 |
| Lens Type | Wide Angle Cine Lens |
| Compatible Mountings | Leica L-Mount |
| Minimum Focusing Distance (Soft Mode) | 0.28 meters |
| Minimum Focusing Distance (Bubble Mode) | 0.55 meters |
| Focus Throw (Soft Mode) | 313° |
| Focus Throw (Bubble Mode) | 131° |
| Filter Size | 68mm |
| Item Weight | 2.07 pounds (approx. 939g) |
| Product Dimensions | 3.15 x 3.5 x 3.5 inches |
Figure 11: Comprehensive specifications of the lens.
Figure 12: Diagram illustrating the physical dimensions of the lens.
9. Compatibility
This lens is designed for L-Mount cameras, including but not limited to:
- Panasonic: S1, S1R, S1H, S5M2, S9
- Sigma: FP, FPL, BF
- Leica: SL, SL2, SL2-S, SL3, SL3-S
Note: This lens is not compatible with DSLR cameras.
Figure 13: List of applicable camera models for L-Mount.
10. Warranty and Support
Your TTArtisan 35mm T2.1 Dual Bokeh Cine Lens comes with a warranty card. Please refer to the warranty card included in your package for details on warranty coverage and terms.
For technical support or service inquiries, please contact TTArtisan customer service through their official channels or the retailer where the product was purchased.
