Introducció
This manual provides essential information for the proper installation, operation, and maintenance of your Rollei F:X Pro Round Filter UV. This filter is designed with a titanium ring and Gorilla Glass for enhanced durability and optical performance, offering protection and improved image quality by reducing ultraviolet light.

Imatge: Frontal view of the Rollei F:X Pro Round Filter UV, showcasing its circular design.
Configuració i instal·lació
Follow these steps to correctly attach the filter to your camera lens:
- Identify Lens Thread Size: Locate the filter thread size on your camera lens. This is typically marked on the front of the lens barrel or on the lens cap, often indicated by a diameter symbol (⌀) followed by a number in millimeters (e.g., ⌀77mm). Ensure your Rollei filter matches this size (77mm for this model).
- Prepare Lens: Ensure your camera lens is clean and free of dust or debris before attaching the filter.
- Align Filter: Alineeu amb cura les rosques del filtre amb les rosques de la part frontal de l'objectiu de la càmera.
- Adjunta filtre: Gently rotate the filter clockwise until it is securely fastened. Avoid overtightening, as this can make removal difficult. The titanium ring provides a robust and stable connection.

Imatge: Side profile of the Rollei F:X Pro Round Filter UV, illustrating the threading for lens attachment.
Funcionament del filtre
The Rollei F:X Pro Round Filter UV serves both protective and optical enhancement functions:
- UV Reduction: This filter is designed to block ultraviolet light, which can cause haze and a bluish cast in photographs, especially in outdoor and high-altitude environments. By reducing UV light, the filter helps to produce clearer images with improved contrast and color fidelity.
- Protecció de la lent: The Gorilla Glass construction and titanium ring provide robust protection for your valuable camera lens against dust, scratches, moisture, and accidental impacts. The filter acts as a sacrificial layer, safeguarding the front element of your lens.
- Resistència a l'aigua: The filter features a special coating that repels water, making it easier to clean and preventing water droplets from adhering to the surface and affecting image quality.

Image: The Rollei F:X Pro Round Filter UV demonstrating its water-resistant coating with water droplets beading on the surface.
Manteniment i cura
To ensure the longevity and optimal performance of your Rollei F:X Pro Round Filter UV, follow these maintenance guidelines:
- Neteja: Use a soft, lint-free microfiber cloth specifically designed for optical surfaces to clean the filter. For stubborn smudges or fingerprints, apply a small amount of lens cleaning solution to the cloth, not directly to the filter, and gently wipe in a circular motion.
- Eliminació de pols: Use a blower brush or compressed air (designed for optics) to remove loose dust particles before wiping. Avoid using abrasive materials or harsh chemicals.
- Emmagatzematge: When not in use, store the filter in its protective case to prevent scratches and accumulation of dust. Keep it in a dry, cool place away from direct sunlight.
- Manipulació: Always handle the filter by its titanium ring to avoid touching the glass surface, which can leave fingerprints and smudges.
Resolució de problemes
Aquí teniu solucions a problemes comuns que podeu trobar:
- Filtre enganxat a la lent: If the filter is overtightened, try using a rubber filter wrench or a rubber glove to get a better grip and gently twist counter-clockwise. Avoid excessive force.
- Image Haze/Softness: Ensure the filter surface is clean. Dust, smudges, or moisture can degrade image quality. Refer to the Maintenance section for cleaning instructions.
- Vinyetatge (raconades fosques): While unlikely with a UV filter, if dark corners appear, especially on wide-angle lenses, ensure the filter is fully seated and not obstructed. This filter has a slim profile to minimize such effects.
Especificacions
| Característica | Detall |
|---|---|
| Marca | Rollei |
| Número de model | 26239 |
| Material | Gorilla Glass, Titanium Ring |
| Mida del fil del filtre fotogràfic | 77 mil·límetres |
| Descripció del recobriment | Luminance coating (for color fidelity, low reflections, scratch-resistance), Water Resistant |
| Tipus d'efecte de filtre de foto | Ultraviolada (UV) |
| Nivell de resistència a l'aigua | Resistent a l'aigua |
| Dimensions del producte | 3.03" de llargada x 3.03" d'amplada |
Garantia i Suport
For information regarding warranty coverage, product support, or to contact customer service, please visit the official Rollei website or refer to the documentation included with your purchase. Keep your proof of purchase for warranty claims.
Recursos en línia: For additional tips, FAQs, and product updates, please visit the Rollei Brand Store on Amazon.





