Viltrox AF 25MM F1.7 APS-C Lens User Manual

1. Introducció

Thank you for choosing the Viltrox AF 25MM F1.7 APS-C Lens. This high-quality autofocus prime lens is designed for APS-C mirrorless cameras, offering a versatile 25mm focal length (approximately 38mm full-frame equivalent) and a bright F1.7 maximum aperture. It is ideal for a wide range of photography, including street, still life, environmental portraits, and general-purpose shooting, delivering excellent image quality with true-to-life color reproduction and sharp focus.

2. Contingut del paquet

Si us plau, comproveu que tots els articles estiguin presents al vostre paquet:

• Caixa d'embalatge
• Viltrox AF 25MM F1.7 APS-C Lens
• Bossa de transport
• Parasol de la lent
• Tapa de lent posterior
• Tapa frontal de la lent
• Manual d'usuari (aquest document)
• Targeta de garantia

3. Configuració

3.1 Fixació de l'objectiu a la càmera

1. Assegureu-vos que la càmera estigui apagada.
2. Remove the rear lens cap from the Viltrox AF 25MM F1.7 lens and the body cap from your camera.
3. Align the mounting index (white dot) on the lens with the corresponding index on your camera body.
4. Introduïu l'objectiu a la muntura de la càmera i gireu-lo en sentit horari fins que encaixi. No forceu l'objectiu.

3.2 Desmuntar l'objectiu de la càmera

1. Assegureu-vos que la càmera estigui apagada.
2. Mentre premeu el botó d'alliberament de l'objectiu del cos de la càmera, gireu l'objectiu en sentit antihorari fins que s'aturi.
3. Gently remove the lens from the camera body.
4. Col·loqueu la tapa posterior de l'objectiu a l'objectiu i la tapa del cos a la càmera per protegir-les de la pols i els danys.

3.3 Fixació del parasol de l'objectiu

The included lens hood helps to block stray light, reducing flare and ghosting, and provides some physical protection for the front element of the lens.

1. Align the mark on the lens hood with the mark on the front of the lens.
2. Twist the hood clockwise until it locks into place.

4. Instruccions de funcionament

4.1 Autofocus (AF) Operation

This lens supports autofocus (AF) functionality. Once mounted on a compatible camera, the camera's AF system will control the lens's focus. Refer to your camera's instruction manual for specific AF mode settings and operation.

4.2 Control d'obertura

The aperture (F-number) of this lens is controlled electronically through your camera body. You can adjust the aperture settings directly on your camera to achieve desired depth of field and exposure. The lens features a maximum aperture of F1.7 for excellent low-light performance and shallow depth of field, and a minimum aperture of F16.0.

4.3 Ús general

• **Photography Modes:** Use your camera's various photography modes (e.g., Aperture Priority, Shutter Priority, Manual) to control exposure settings in conjunction with the lens.
• **Focusing Distance:** The lens has a minimum focusing distance of 0.3m/1ft.
• **Filter Thread:** The front of the lens has a ⌀52mm filter thread for attaching compatible filters (e.g., UV, CPL, ND).

5. Manteniment

5.1 Neteja de la lent

• Feu servir un drap suau i sense borrissol o un raspall per a lents per eliminar la pols de les superfícies de les lents.
• For stubborn smudges or fingerprints, use a lens cleaning solution specifically designed for optical elements and a clean microfiber cloth. Apply the solution to the cloth, not directly to the lens.
• Never use abrasive materials, solvents, or harsh chemicals to clean the lens.

5.2 Emmagatzematge

• Col·loqueu sempre les tapes frontal i posterior de l'objectiu quan no l'utilitzeu.
• Guardeu la lent en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
• If storing for an extended period, consider using a dehumidifying agent to prevent mold growth.

6. Solució De Problemes

6.1 Lens Not Focusing

• Ensure the lens is securely mounted to the camera body.
• Check your camera's focus mode settings. Make sure it's set to autofocus (AF) if you intend to use the lens's AF capabilities.
• Verify that there is sufficient light for the camera's autofocus system to operate effectively.
• Clean the lens contacts on both the lens and camera body with a clean, dry cloth.

6.2 Image Quality Issues (e.g., Softness, Aberrations)

• Ensure the lens and camera sensor are clean. Dust or smudges can significantly impact image quality.
• Check your camera's shutter speed and ISO settings to avoid motion blur or excessive noise.
• For optimal sharpness, consider shooting at apertures slightly stopped down from the maximum (e.g., F2.8 or F4 instead of F1.7).
• Verify that the lens is compatible with your camera model and that the camera's firmware is up to date.

7. Especificacions

8. Consells d'usuari

• **Experiment with Aperture:** The F1.7 aperture allows for beautiful background blur (bokeh). Practice shooting at various apertures to understand how depth of field changes and use it creatively.
• **Low Light Performance:** Utilize the wide F1.7 aperture for excellent performance in low-light conditions, allowing for faster shutter speeds and lower ISO settings.
• **Prime Lens Advantage:** As a fixed focal length (prime) lens, it encourages you to 'zoom with your feet' by moving closer or further from your subject, which can enhance your compositional skills.
• **Lens Hood Usage:** Always use the lens hood, especially in bright conditions, to minimize lens flare and protect the front element from accidental bumps.

9. Garantia i Suport

For warranty information, please refer to the warranty card included in your package. For technical support, firmware updates, or additional resources, please visit the official Viltrox website or contact their customer service. A detailed user manual in PDF format may also be available for download on the manufacturer's weblloc.

Nota: The PDF user manual can be found at: Viltrox AF 25MM F1.7 APS-C Lens PDF Manual