VILTROX 85mm F/1.8 Mark II STM Full-Frame Auto Focus Lens Instruction Manual

1. Úvod

This manual provides comprehensive instructions for the proper use, setup, operation, and maintenance of your VILTROX 85mm F/1.8 Mark II STM Full-Frame Auto Focus Lens. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

2. Konec produktuview

The VILTROX 85mm F/1.8 Mark II STM is a full-frame portrait lens designed for Sony E-Mount cameras. It features a stepping motor (STM) for quiet and precise autofocus, a large F1.8 aperture for excellent low-light performance and shallow depth of field, and an optical design that minimizes aberrations and improves color rendering.

Figure 2.1: VILTROX 85mm F/1.8 Mark II STM lens with attached lens hood.

3. Klíčové vlastnosti

• Stepping Motor (STM): Utilizes an STM for smooth, quiet, and fast autofocus performance.
• Large F/1.8 Aperture: Provides excellent light-gathering capabilities for low-light conditions and allows for a shallow depth of field with pleasing background blur (bokeh).
• Full-Frame Coverage: Designed for full-frame Sony E-Mount cameras, also compatible with APS-C cameras (providing a 127.5mm equivalent focal length).
• Pokročilý optický design: Constructed with 10 elements in 7 groups, including one extra-low dispersion element and four specialty elements made from highly transparent glass to reduce aberrations and improve color accuracy.
• HD Nano Multi-Layer Coating: Applied to individual elements to minimize ghosting and flare, enhancing image clarity and contrast.
• Integrated MicroUSB Port: Located on the rear metal mount for convenient firmware updates.
• Electronic Contacts: Powers the aperture mechanism and transmits EXIF data to compatible Sony cameras.

4. Obsah balení

Po vybalení se prosím ujistěte, že jsou přítomny všechny následující položky:

• VILTROX 85mm F/1.8 Mark II STM Lens
• Krytka předního objektivu
• Zadní krytka objektivu
• Sluneční clona objektivu
• Návod k použití (tento dokument)

5. Nastavení a instalace

5.1 Nasazení objektivu

1. Ujistěte se, že je fotoaparát vypnutý.
2. Sejměte zadní krytku objektivu z objektivu VILTROX a krytku těla fotoaparátu.
3. Align the white index mark on the lens barrel with the corresponding index mark on your camera's lens mount.
4. Opatrně vložte objektiv do bajonetu fotoaparátu a otáčejte jím ve směru hodinových ručiček, dokud nezacvakne na místo. Netlačte na objektiv silou.
5. Nasaďte sluneční clonu tak, že zarovnáte její značku se značkou na přední straně objektivu a otočíte jí, dokud nezapadne.

Figure 5.1: The VILTROX 85mm F/1.8 Mark II STM lens correctly mounted on a Sony E-Mount camera body.

5.2 Aktualizace firmwaru

The lens features an integrated microUSB port for firmware updates. This ensures compatibility with future camera models and allows for performance enhancements.

1. Navštivte oficiální stránky VILTROX webweb pro stažení nejnovějšího firmwaru pro váš model objektivu.
2. Connect the lens to your computer using a microUSB cable.
3. Follow the instructions provided with the firmware download for the update process.

Figure 5.2: The rear of the lens, highlighting the electronic contacts for camera communication and the microUSB port for firmware updates.

6. Provoz

6.1 Automatické ostření (AF) a manuální ostření (MF)

The VILTROX 85mm F/1.8 Mark II STM lens supports both autofocus and manual focus modes. The focus mode is typically controlled via your camera's settings. The STM ensures quick and quiet autofocus operation, which is beneficial for both photography and video recording.

6.2 Ovládání clony

The lens features an aperture range of F1.8 to F16. The aperture is controlled electronically through your camera body. The large F1.8 aperture allows for significant background blur, ideal for isolating subjects in portraits.

Figure 6.1: The aperture scale of the lens, illustrating the range from F1.8 to F16 and the corresponding aperture blade shapes.

6.3 Kompatibilita

This lens is compatible with Sony E-Mount full-frame cameras (e.g., A7III, A7RIII, A7SII, A7II) and APS-C cameras (e.g., a6500, a6400, a6300). When used on an APS-C camera, the effective focal length becomes approximately 127.5mm.

7. Ex v oblasti integrace médiíamples

7.1 Image Examples

Figure 7.1: A portrait image showcasing the lens's ability to achieve precise eye focus, resulting in sharp subject rendition and a blurred background.

Figure 7.2: The VILTROX 85mm F/1.8 Mark II STM lens, with its included lens hood, mounted on a camera in an outdoor setting, ready for use.

7.2 Video Examples

8. Péče a údržba

• Čištění objektivu: Use a soft, lint-free cloth or a lens brush to remove dust. For smudges, use a lens cleaning solution and a microfiber cloth. Avoid touching the lens elements directly.
• Skladování: Store the lens in a cool, dry place away from direct sunlight and extreme temperatures. Use the front and rear lens caps to protect the elements when not in use.
• Zacházení: Zabraňte pádu objektivu na zem nebo jeho vystavení silným nárazům.

9. Řešení problémů

• Fotoaparát nerozpoznál objektiv: Ensure the lens is securely mounted and the camera is powered on. Check for any available firmware updates for both the lens and your camera.
• Automatické ostření je pomalé nebo nepřesné: Ensure sufficient lighting conditions. Check camera settings for focus mode and area. Clean the lens contacts on both the lens and camera body.
• Image quality issues (e.g., soft images, chromatic aberration): Ensure the lens elements are clean. Check camera settings for aperture and shutter speed. For chromatic aberration, minor corrections can often be made in post-processing software.

10. Specifikace

11. Informace o záruce

VILTROX products are covered by a limited warranty against defects in materials and workmanship. Please refer to the warranty card included in your package or visit the official VILTROX webpodrobné záruční podmínky naleznete na webu.

12. Zákaznická podpora

For further assistance, technical support, or inquiries regarding your VILTROX 85mm F/1.8 Mark II STM lens, please contact VILTROX customer service through their official webstránky nebo kontaktní informace uvedené na vaší záruční kartě.