1. Introduction
Thank you for choosing the VILTROX 33mm F1.4 XF Auto Focus Lens. This prime wide-angle lens is specifically designed for APS-C-format FUJIFILM X-mount mirrorless cameras, offering a bright f/1.4 maximum aperture suitable for low-light conditions and precise depth of field control. This manual provides essential information for the proper setup, operation, and maintenance of your lens.
Key Features:
- Designed for APS-C-format FUJIFILM X-mount mirrorless cameras.
- Supports Auto Focus and Electronic Aperture.
- Bright f/1.4 maximum aperture for low-light performance and depth of field control.
- HD Nano multi-layer coating reduces chromatic aberrations and improves clarity.
- Lightweight design (270g) ideal for video and vlog creation.
- Integrated micro-USB port for firmware updates.
2. Safety Precautions
- Do not expose the lens to extreme temperatures, humidity, or direct sunlight for extended periods.
- Avoid dropping or subjecting the lens to strong impacts.
- Keep the lens away from strong magnetic fields.
- Do not attempt to disassemble or modify the lens, as this may void the warranty and cause damage.
- Use a soft, lint-free cloth for cleaning. Avoid harsh chemicals.
3. Package Contents
Please verify that all items are present in your package:
- VILTROX 33mm F1.4 XF Lens
- Front Lens Cap
- Rear Lens Cap
- Lens Hood
- User Manual
- Protective Bag

4. Product Overview
Familiarize yourself with the main components and features of your VILTROX 33mm F1.4 XF lens.


Key Components:
- Lens Mount: Connects the lens to the camera body.
- Aperture Ring: Allows adjustment of the lens aperture.
- Focus Ring: Used for manual focusing.
- Lens Hood Mount: For attaching the included lens hood.
- Micro-USB Port: For firmware updates.
5. Setup
Attaching the Lens to Your Camera:
- Ensure your camera is turned off before attaching or detaching the lens.
- Remove the rear lens cap from the VILTROX 33mm F1.4 XF lens and the body cap from your Fujifilm X-mount camera.
- Align the white dot on the lens mount with the corresponding white dot on your camera's lens mount.
- Gently insert the lens into the camera mount and rotate it clockwise until it clicks into place. Do not force the lens.
- Attach the lens hood by aligning its mark with the mark on the front of the lens and twisting until it locks.
Firmware Update:
The lens features an integrated micro-USB port for firmware updates. Periodically check the official VILTROX website for the latest firmware versions to ensure optimal performance and compatibility. Follow the instructions provided on the VILTROX website for the update process.
6. Operating the Lens
Autofocus (AF) Operation:
The VILTROX 33mm F1.4 XF lens supports fast and quiet autofocus thanks to its STM stepping motor. To use autofocus, set your camera's focus mode to AF. The lens will automatically adjust focus when the shutter button is half-pressed.
Manual Focus (MF) Operation:
For precise control, you can switch your camera's focus mode to MF. Rotate the focus ring on the lens to manually adjust the focus. Your camera's focus peaking or magnification assist features can aid in achieving sharp focus.
Aperture Control:
The lens features an electronic aperture. You can control the aperture directly from your camera body or via the aperture ring on the lens, depending on your camera's settings and the lens's design. The bright f/1.4 maximum aperture allows for excellent performance in low light and creative control over depth of field, producing beautiful and smooth bokeh.

Close-Up Photography:
This lens offers excellent close-up capabilities with a minimum shooting distance of 0.4 meters and a maximum magnification of 0.1x, making it suitable for capturing detailed subjects like portraits, scenery, street views, food, and architecture.
Video Shooting:
The fast and quiet STM motor makes this lens an ideal choice for video recording. It performs well in various scenarios, including portraits, night scenes, landscapes, and indoor settings.
Note on Videos: No official product videos from the seller were available in the provided data to embed in this manual.
7. Care and Maintenance
Cleaning the Lens:
- Use a blower brush to remove dust from the lens surface.
- For smudges or fingerprints, use a specialized lens cleaning solution and a microfiber cloth. Apply the solution to the cloth, not directly to the lens.
- Clean the lens body with a soft, dry cloth.
Storage:
- Always attach the front and rear lens caps when the lens is not in use.
- Store the lens in a cool, dry place, away from direct sunlight and high humidity.
- If storing for an extended period, consider using a dehumidifying agent to prevent mold growth.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lens not recognized by camera | Improper mounting; dirty contacts; outdated firmware. | Re-attach the lens securely. Clean lens and camera contacts with a clean, dry cloth. Check for and install the latest firmware. |
| Autofocus is slow or inaccurate | Low light conditions; low contrast subject; camera settings; outdated firmware. | Ensure adequate lighting. Focus on high-contrast areas. Check camera AF settings. Update lens firmware. |
| Images are blurry | Incorrect focus; camera shake; dirty lens elements. | Verify focus. Use a faster shutter speed or tripod. Clean the lens elements. |
| Aperture not changing | Camera settings; lens not fully mounted. | Check camera's aperture control settings. Ensure the lens is securely attached. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | VILTROX |
| Model Number | AF 33/F1.4 XF |
| Focal Length | 33 mm |
| Maximum Aperture | f/1.4 |
| Lens Type | Standard Prime Lens |
| Compatible Mountings | Fujifilm X-Mount |
| Autofocus Support | Yes (STM Stepping Motor) |
| Product Dimensions | 5.51 x 4.72 x 4.72 inches |
| Item Weight | 9.5 ounces |
| Manufacturer | Shenzhen Jueying Technology Co., Ltd. |
| Firmware Update Port | Micro-USB |
10. Support and Warranty
Customer Support:
For technical assistance, troubleshooting, or general inquiries, please visit the official VILTROX website or contact their customer support directly. You can also refer to the VILTROX Official Store on Amazon for product information and support resources.
VILTROX Official Store: https://www.amazon.com/stores/ViltroxOfficial/page/8CA74AE3-C461-4006-B5D7-190F49510F56
Warranty Information:
VILTROX products typically come with a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official VILTROX website for detailed warranty terms and conditions, including coverage period and service procedures. Keep your proof of purchase for warranty claims.





