VILTROX 25mm f1.7 E-Mount APS-C Auto Focus Prime Lens User Manual

1. Introducció

The VILTROX 25mm f1.7 E-Mount APS-C Auto Focus Prime Lens is a high-performance lens designed for Sony E-Mount cameras. It features a large f1.7 aperture for beautiful bokeh and excellent low-light performance, an efficient STM stepping motor for precise autofocus, and a robust optical design with 12 elements in 10 groups, including ED and aspherical lenses. Its lightweight and compact design make it ideal for various photography scenarios, from street photography to portraits.

2. Informació de seguretat

• Do not expose the lens to extreme temperatures, humidity, or direct sunlight for prolonged periods.
• Avoid dropping or subjecting the lens to strong impacts, as this may damage internal components.
• Mantingueu les tapes de l'objectiu posades quan no les feu servir per protegir els elements frontal i posterior de la pols i les ratllades.
• Do not attempt to disassemble or modify the lens. Repairs should only be performed by qualified technicians.
• When cleaning, use only lens-specific cleaning solutions and microfiber cloths to avoid damaging the coatings.

3. Producte acabatview

Familiarize yourself with the components of your VILTROX 25mm f1.7 lens.

Figura 3.1: The VILTROX 25mm f1.7 lens shown with its front and rear caps, lens hood, and carrying pouch.

Figura 3.2: Davant view of the VILTROX 25mm f1.7 lens, highlighting the front element and focus ring.

Figura 3.3: posterior view of the VILTROX 25mm f1.7 lens, showing the E-mount interface and electronic contacts.

Figura 3.4: Close-up of the lens base, illustrating the USB-C firmware upgrade interface, electronic contacts for EXIF data transmission, and the precision hardened aluminum alloy mount.

4. Configuració

4.1 Fixació de la lent

1. Ensure your camera is turned off before attaching or detaching the lens.
2. Remove the rear lens cap from the VILTROX 25mm f1.7 lens and the body cap from your camera.
3. Align the white dot on the lens barrel with the corresponding white dot on your Sony E-Mount camera's lens mount.
4. Introduïu suaument l'objectiu a la muntura de la càmera i gireu-lo en sentit horari fins que encaixi. No forceu l'objectiu.
5. Once attached, you can remove the front lens cap.

4.2 Fixació del parasol de l'objectiu

The included lens hood helps to prevent flare and ghosting caused by stray light, and also offers physical protection to the front element.

1. Align the mark on the lens hood with the mark on the front of the lens.
2. Rotate the lens hood clockwise until it locks into position.
3. To store, the lens hood can be reversed and attached to the lens.

Figura 4.1: The VILTROX 25mm f1.7 lens with its dedicated lens hood properly attached, ready for use.

5. Instruccions de funcionament

5.1 Autoenfocament (AF) i enfocament manual (MF)

The VILTROX 25mm f1.7 lens features an STM stepping motor for fast and quiet autofocus. It also supports manual focus for precise control.

• Enfocament automàtic: Set your camera's focus mode to AF. The lens will automatically focus on your subject. The built-in STM stepping motor provides high driving force for precise autofocus and tracking focus, supporting eye/face AF for better response and lower latency.
• Enfocament manual: Set your camera's focus mode to MF. Rotate the focus ring on the lens to adjust focus manually.

Figura 5.1: The lens's efficient autofocus system with eye/face detection, ensuring sharp focus on subjects.

Figura 5.2: A still frame from a video demonstrating the lens's eye-tracking autofocus capability, highlighting its precision.

5.2 Aperture Control and Bokeh

The f1.7 large aperture allows for significant control over depth of field, producing beautiful natural bokeh. The 9 aperture blades contribute to a dreamy and artistic blur effect, effectively highlighting your subject.

• Adjust the aperture setting on your camera to control the amount of light entering the lens and the depth of field.
• A wider aperture (smaller f-number like f1.7) will create a shallower depth of field, resulting in more pronounced background blur (bokeh).
• A narrower aperture (larger f-number) will increase the depth of field, keeping more of the scene in focus.

Figura 5.3: An image demonstrating the soft, pleasing bokeh produced by the f1.7 large aperture, effectively isolating the subject.

Figura 5.4: A still frame from a video illustrating the lens's ability to create beautiful background blur, making the subject stand out.

6. Manteniment

Proper maintenance will extend the life and performance of your lens.

• Neteja de la lent: Use a blower brush to remove dust from the lens surface. For smudges or fingerprints, use a clean, soft microfiber cloth specifically designed for optics, along with a small amount of lens cleaning solution. Wipe gently in a circular motion from the center outwards.
• Neteja de la muntura de l'objectiu: Use a dry, clean cotton swab or microfiber cloth to gently wipe the electronic contacts on the lens mount. Do not touch the contacts with your fingers.
• Emmagatzematge: Store the lens in a cool, dry place away from direct sunlight and high humidity. Use the provided pouch for protection when not in use.
• Actualitzacions de firmware: The lens is equipped with a micro USB interface at the bottom for convenient future firmware upgrades. Check the VILTROX official weblloc web per obtenir les versions de firmware i les instruccions més recents.

7. Solució De Problemes

Problemes comuns i les seves possibles solucions.

If the problem persists after trying these solutions, please contact VILTROX customer support.

8. Especificacions

Figura 8.1: MTF (Modulation Transfer Function) graph illustrating the lens's optical performance and a diagram showing the arrangement of its 12 elements in 10 groups, including specialized lens types.

9. Què hi ha a la caixa

The VILTROX 25mm f1.7 E-Mount lens package includes the following items:

• VILTROX 25mm f1.7 Lens
• Tap de l'objectiu frontal
• Back Lens Cap
• Parasol de l'objectiu
• Pouch case

Figura 9.1: All items included in the VILTROX 25mm f1.7 lens package: the lens, front and back caps, lens hood, and a soft pouch.

10. Garantia i Suport

VILTROX provides comprehensive support for its products. For warranty information, technical assistance, or any inquiries regarding your VILTROX 25mm f1.7 lens, please refer to the warranty card included in the box or visit the official VILTROX weblloc web. També podeu trobar recursos addicionals i informació de contacte al VILTROX Store on Amazon.

Figura 10.1: VILTROX is a competitive manufacturer in the photography equipment industry, established in 2009, committed to assisting users with their products.