1. Introduction
Thank you for choosing the VILTROX 16mm F1.8 FE lens. This full-frame wide-angle autofocus lens is designed for Sony E-mount mirrorless cameras, offering a large F1.8 aperture for excellent low-light performance and shallow depth of field. This manual provides essential information for the proper use and maintenance of your lens.

Image: The VILTROX 16mm F1.8 FE lens, designed for Sony E-mount cameras, suitable for astrophotography, landscape, architecture, portrait, and video.
2. What's in the Box
Please verify that all items listed below are included in your package:
- VILTROX 16mm F1.8 FE Lens
- Lens Hood
- Lens Bag
- Lens Front Cap
- Lens Rear Cap
- User Manual
- After-sales Card

Image: The VILTROX 16mm F1.8 FE lens and its included accessories: lens hood, front cap, rear cap, and lens bag.
3. Key Features
The VILTROX 16mm F1.8 FE lens offers several advanced features for photographers and videographers:
- F1.8 Super Large Aperture: Enables excellent low-light performance and shallow depth of field for creative effects.
- Ultra Wide-Angle Design: 16mm focal length with a 105.6° angle of view, ideal for landscapes, cityscapes, and astrophotography.
- Precise Auto Focus: Equipped with an STM stepping motor for fast, accurate, and quiet autofocus, including eye and face recognition.
- Smart LCD Display: Integrated display shows aperture and focus distance, streamlining the shooting process.
- Inner Focus Optical Structure: Features 15 elements in 12 groups, including 3 aspherical lenses, for high resolution and coma suppression.
- Portable & Efficient Control: Durable metal body, dust-protected design, and convenient controls like Fn1/Fn2 Focus Lock Buttons, CLICK aperture ring switch, and AF/MF lever.

Image: Overview of the VILTROX 16mm F1.8 FE lens highlighting its main features.
4. Setup
4.1 Mounting the Lens
- Ensure your camera is powered off.
- Remove the rear lens cap from the VILTROX 16mm F1.8 FE lens and the body cap from your camera.
- Align the white index mark on the lens with the corresponding index mark on your camera's lens mount.
- Insert the lens into the camera mount and rotate it clockwise until it clicks into place. Do not force the lens.
- Attach the front lens cap when not in use to protect the front element.

Image: The rear element and electronic contacts of the VILTROX 16mm F1.8 FE lens.
4.2 Attaching the Lens Hood
The included lens hood helps to prevent flare and ghosting caused by extraneous light. Align the lens hood with the front of the lens and twist it until it locks securely. For storage, the hood can be reversed and mounted on the lens.

Image: The VILTROX 16mm F1.8 FE lens with its lens hood attached.
4.3 Understanding Lens Controls
- AF/MF Switch: Located on the side of the lens, this switch allows you to toggle between Autofocus (AF) and Manual Focus (MF) modes.
- Fn1/Fn2 Focus Lock Buttons: These customizable function buttons can be assigned various camera functions, such as focus hold, through your camera's menu.
- CLICK Aperture Ring Switch: This switch allows you to enable or disable the click stops on the aperture ring. 'ON' provides tactile clicks for precise aperture adjustments, while 'OFF' allows for smooth, silent aperture changes, ideal for video recording.
- Smart LCD Display: The integrated LCD screen provides real-time information on aperture and focus distance.

Image: The AF/MF switch on the lens barrel.

Image: The Fn1 and Fn2 buttons on the lens barrel.

Image: The CLICK switch for aperture ring control.

Image: The smart LCD display on the lens.
5. Operating the Lens
5.1 Using the F1.8 Large Aperture
The F1.8 maximum aperture allows for significant light gathering, making it suitable for shooting in low-light conditions without excessive ISO. It also enables a shallow depth of field, creating pleasing background blur (bokeh) to isolate your subject. Adjust the aperture using the aperture ring on the lens or through your camera's controls, depending on your camera settings.

Image: Example of shallow depth of field and bokeh at F1.8.
5.2 Autofocus (AF) Operation
Set the AF/MF switch on the lens to 'AF'. The lens's STM stepping motor provides fast and precise autofocus. Utilize your camera's autofocus modes, including eye and face detection, for optimal subject tracking. The lens is designed to maintain sharp focus even at wide apertures and in challenging lighting.
5.3 Manual Focus (MF) Operation
Set the AF/MF switch on the lens to 'MF'. Rotate the focus ring on the lens to adjust focus manually. The LCD display will show the current focus distance, assisting in precise manual focusing. Your camera's focus peaking and magnification features can further aid in achieving critical focus.
5.4 Utilizing the Smart LCD Display
The LCD display on the lens provides immediate visual feedback on your current aperture setting and focus distance. This allows for quick adjustments without needing to check your camera's screen or viewfinder, enhancing your workflow.

Image: Detailed view of the LCD display and its indicators.
5.5 Shooting Scenarios
- Astrophotography: The 16mm focal length and F1.8 aperture are highly suitable for capturing wide-field astrophotography, allowing for detailed starscapes and Milky Way shots.
- Landscape and Architecture: The ultra-wide angle is excellent for expansive landscapes and architectural photography, fitting more of the scene into the frame.
- Video Shooting: The lightweight design and quiet STM motor make this lens suitable for video recording, including vlogging. The de-clickable aperture ring (using the CLICK switch) allows for smooth exposure transitions.

Image: Example of astrophotography captured with the lens.

Image: The lens mounted on a video camera setup.
6. Maintenance
Proper care will extend the life and performance of your lens:
- Cleaning: Use a soft, lint-free cloth to clean the lens barrel. For lens elements, use a lens brush to remove dust, then a lens cleaning solution and a microfiber cloth. Avoid touching the glass surfaces with your fingers.
- Storage: Store the lens in a cool, dry place away from direct sunlight and extreme temperatures. Always attach the front and rear lens caps when not in use. Use the provided lens bag for added protection during transport.
- Dust and Moisture: The lens features a dust-protected structure. However, avoid exposing the lens to excessive dust, dirt, or moisture. If it gets wet, wipe it dry immediately.
- Contacts: Keep the electronic contacts on the lens mount clean. Use a clean, dry cloth to gently wipe them if necessary.
7. Troubleshooting
If you encounter issues with your VILTROX 16mm F1.8 FE lens, consider the following common solutions:
- Lens not recognized by camera: Ensure the lens is securely mounted to the camera body. Power off the camera, re-mount the lens, and power on again. Clean the electronic contacts on both the lens and camera body with a dry, lint-free cloth.
- Autofocus not working: Check that the AF/MF switch on the lens is set to 'AF'. Verify that your camera's autofocus settings are correctly configured. Ensure there is sufficient light and contrast for the autofocus system to operate effectively.
- Image quality issues (e.g., blurriness): Check if the lens is clean. Ensure the focus mode is appropriate for your subject and that focus is accurately achieved. If using manual focus, ensure the focus assist features (peaking, magnification) are utilized correctly.
- Aperture ring not clicking: Check the 'CLICK' switch on the lens. If it's set to 'OFF', the aperture ring will rotate smoothly without clicks.
- LCD display not working: Ensure the lens is properly connected to the camera and the camera is powered on. If the issue persists, try cleaning the contacts.
For further assistance, please refer to the VILTROX official support channels.
8. Specifications
Below are the technical specifications for the VILTROX 16mm F1.8 FE lens:
| Brand | VILTROX |
| Model | 16mm F1.8 FE |
| Focal Length | 16 mm |
| Maximum Aperture | F1.8 |
| Lens Type | Wide Angle, Prime Lens |
| Compatible Mountings | Sony E |
| Optical Structure | 15 elements in 12 groups (including 3 aspherical lenses) |
| Autofocus Motor | STM Stepping Motor |
| Product Dimensions | 4.1 x 3.4 x 3.4 inches |
| Item Weight | 2.44 pounds (approx. 1.1 kg) |
| Features | Smart LCD Display, Fn Buttons, CLICK Aperture Switch, Inner Focus |
9. Warranty and Support
VILTROX products typically come with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including warranty period and coverage details. For technical support, firmware updates, or service inquiries, please visit the official VILTROX website or contact their customer service directly.
You can find more information and support at the VILTROX Official Store on Amazon.





