1. Introduction
Thank you for choosing the VILTROX AF 90mm F2.2 Evo APS-C Autofocus Prime Lens. This manual provides detailed instructions for the proper use, maintenance, and troubleshooting of your new lens. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
The VILTROX AF 90mm F2.2 Evo is a high-performance autofocus prime lens designed for APS-C mirrorless cameras, specifically compatible with Fuji XF mounts. It offers a 35mm equivalent focal length of approximately 135mm, making it ideal for portraits, street photography, and cinematic telephoto scenes. Its large F2.2 aperture allows for beautiful bokeh and excellent low-light performance.
Image 1: Examples of photography styles suitable for the VILTROX AF 90mm F2.2 Evo lens.
2. Product Overview
2.1 Key Features
- F2.2 Large Aperture: Provides sharp detail, smooth bokeh, and excellent low-light performance.
- Advanced Optical Design: Features 10 elements in 8 groups, including 2 ED (Extra-low Dispersion) and 2 HR (High Refractive) elements for superior image quality and chromatic aberration correction.
- Rapid & Responsive Autofocus: Equipped with an STM motor for fast, precise, and quiet autofocus performance, suitable for both photography and video.
- 0.74m Minimum Focusing Distance: Allows for capturing intricate close-up details with a maximum magnification of 0.14X.
- Compact & Lightweight Design: Weighing approximately 325g (for Fuji XF mount), it offers comfortable handling and portability.
- Intuitive Handling Controls: Includes a customizable Fn button, AF/MF switch, and CLICK switch for aperture control.
- Durable Construction: Robust design with a rubber gasket mount for enhanced weather sealing.
- USB-C Port: For convenient firmware updates.
2.2 Lens Components
Familiarize yourself with the various parts of your VILTROX AF 90mm F2.2 Evo lens.
Image 2: Overview of the VILTROX AF 90mm F2.2 Evo lens highlighting its main features and design elements.
- Front Lens Cap: Protects the front element.
- Lens Hood: Reduces flare and provides additional protection.
- Focus Ring: For manual focusing.
- Aperture Ring: For adjusting the aperture.
- Fn Button: Customizable function button.
- AF/MF Switch: Toggles between autofocus and manual focus.
- CLICK Switch: Enables/disables click stops on the aperture ring.
- Lens Mount: Connects the lens to the camera body.
- Rear Lens Cap: Protects the rear element and mount.
- USB-C Port: For firmware updates.
2.3 Compact Design
Image 3: The compact and lightweight design of the VILTROX AF 90mm F2.2 Evo lens.
The AF 90mm F2.2 Evo lens weighs just over 320g, making it comfortable for extended handheld use while delivering strong optical performance.
3. Setup
3.1 Attaching the Lens to Your Camera
- Ensure both the camera and the lens are powered off.
- Remove the rear lens cap from the lens and the body cap from your camera.
- Align the mounting index (usually a white dot or line) on the lens with the corresponding index on your camera body.
- Insert the lens into the camera mount and rotate it clockwise until it clicks into place. Do not force the lens.
- Once attached, remove the front lens cap.
3.2 Attaching the Lens Hood
- Align the lens hood with the front of the lens.
- Rotate the hood clockwise until it locks securely.
- To store, the hood can be reversed and attached to the lens.
3.3 Firmware Updates
The lens features a USB-C port for firmware updates. Visit the official VILTROX website for the latest firmware and instructions.
4. Operating Instructions
4.1 Focusing Modes (AF/MF Switch)
Image 4: Demonstrating the fast and accurate autofocus capabilities of the lens.
- AF (Autofocus): Slide the AF/MF switch to 'AF' for automatic focusing. The STM motor provides quick and precise focus, even for moving subjects.
- MF (Manual Focus): Slide the AF/MF switch to 'MF' for manual focusing. Rotate the focus ring on the lens to adjust focus. Your camera's focus peaking or magnification assist features can aid in precise manual focusing.
4.2 Aperture Control (F2.2 Large Aperture)
Image 5: Illustrating the effect of the F2.2 large aperture on depth of field and bokeh.
- The lens features an aperture ring for direct control over the F-stop.
- CLICK Switch: This switch allows you to enable or disable the click stops on the aperture ring.
- When 'CLICK' is ON, the aperture ring will have distinct clicks at each F-stop, useful for photography.
- When 'CLICK' is OFF, the aperture ring will rotate smoothly without clicks, which is beneficial for video recording to avoid audible clicks during aperture adjustments.
4.3 Minimum Focusing Distance
Image 6: Highlighting the lens's ability to focus closely at 0.74m for detailed shots.
The lens can focus as close as 0.74 meters (2.43 feet), allowing for detailed close-up shots with a maximum magnification of 0.14X.
4.4 Customizable Fn Button
Image 7: Detailed view of the Fn Button, AF/MF Switch, and CLICK Switch.
The Fn button on the lens can be customized through your camera's menu settings. Refer to your camera's instruction manual for details on assigning functions to this button.
5. Maintenance
5.1 Cleaning the Lens
- Lens Elements: Use a lens blower to remove dust. For smudges or fingerprints, use a soft, clean microfiber lens cloth with a small amount of lens cleaning fluid. Wipe gently in a circular motion from the center outwards.
- Lens Body: Wipe the lens body with a soft, dry cloth. Do not use organic solvents like thinner or benzene.
- Lens Mount: Keep the lens mount clean and free of dust. Avoid touching the electronic contacts.
5.2 Storage
- Always attach the front and rear lens caps when the lens is not in use.
- Store the lens in a cool, dry, and well-ventilated place, away from direct sunlight and high humidity.
- If storing for an extended period, place the lens in an airtight container with desiccant to prevent mold and mildew.
5.3 Handling Precautions
- Avoid exposing the lens to extreme temperatures, sudden temperature changes, or high humidity.
- Do not drop or subject the lens to strong impacts.
- Keep the lens away from strong magnetic fields.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lens not recognized by camera. |
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| Autofocus is slow or inaccurate. |
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| Aperture ring does not click. | CLICK switch is set to OFF. | Slide the CLICK switch to the ON position. |
| Image quality issues (e.g., soft images, chromatic aberration). |
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If the problem persists after trying these solutions, please contact VILTROX customer support.
7. Specifications
| Model Name | AF 90mm F2.2 EVO |
| Focal Length | 90mm (135mm equivalent on 35mm full-frame) |
| Maximum Aperture | F2.2 |
| Minimum Aperture | F22 |
| Lens Format Coverage | APS-C |
| Lens Mount | Fuji XF |
| Optical Design | 10 elements in 8 groups (2 ED, 2 HR) |
| Diaphragm Blades | 9 |
| Minimum Focusing Distance | 0.74 m (2.43 ft) |
| Maximum Magnification | 0.14X |
| Filter Size | 58 mm |
| Autofocus Motor | STM + Lead Screw |
| Dimensions (Ø x L) | Ø69 mm x 76 mm (for XF mount) |
| Weight | Approx. 325 g (for XF mount) |
| Lens Coating | Nano Crystal Coating |
| Angle of View | 18.6 degrees |
Image 8: Optical design and MTF chart of the VILTROX AF 90mm F2.2 Evo lens.
8. Warranty and Support
8.1 Warranty Information
VILTROX products are covered by a limited warranty against defects in materials and workmanship. The specific warranty period and terms may vary by region. Please retain your proof of purchase for warranty claims. For detailed warranty information, refer to the warranty card included with your product or visit the official VILTROX website.
8.2 Customer Support
For technical assistance, service, or inquiries regarding your VILTROX AF 90mm F2.2 Evo lens, please contact VILTROX customer support. You can find contact information on the official VILTROX website: www.viltrox.com.
