1. Pengenalan
This manual provides detailed instructions for the proper use and care of your VILTROX AF 25mm F1.7 Z-Mount lens. Designed for Nikon Z-mount APS-C cameras, this lens offers a bright f/1.7 aperture and fast autofocus, making it suitable for various photographic applications. Please read this manual thoroughly before using the lens to ensure optimal performance and longevity.
2. Ciri-ciri Produk
- Bright f/1.7 Aperture: Enables excellent low-light performance and produces pleasing background blur (bokeh), ideal for portraits and creative photography.
- Optimized Optical Design: Features 12 elements in 10 groups, including 2 High Refractive (HR) elements, 1 Extra-low Dispersion (ED) element, and 2 Aspherical (ASPH) elements. This design minimizes chromatic aberrations, distortion, and flare for high image quality.
- Panjang Fokus Setara 38mm: Provides a natural perspective on APS-C sensors, suitable for landscapes, portraits, and general everyday shooting.
- Fast Autofocus and Low Focus Breathing: Equipped with a new STM motor for quick, precise, and quiet autofocus. Minimized focus breathing ensures stable framing during video recording.
- Reka Bentuk Padat & Ringan: Weighs approximately 180g, enhancing portability for photographers on the go.
- 0.3m Minimum Focusing Distance: Allows for detailed close-up shots, expanding the lens's versatility.
3. Apa yang ada di dalam Kotak
The image above displays the typical contents included with your VILTROX AF 25mm F1.7 Z-Mount lens package.
- VILTROX AF 25mm F1.7 Z-Mount Lens
- Cap Lensa Depan
- Cap Lensa Belakang
- Tudung Lensa
- Kantung Lensa
- Kad Waranti
- Manual Arahan (dokumen ini)
4. Persediaan
4.1 Memasang Kanta pada Kamera Anda
- Pastikan kamera anda dimatikan.
- Remove the rear lens cap from the VILTROX 25mm F1.7 Z lens and the body cap from your Nikon Z-mount camera.
- Align the white dot on the lens barrel with the white dot on your camera's lens mount.
- Masukkan kanta ke dalam pelekap kamera dan putarkannya mengikut arah jam sehingga ia klik pada tempatnya. Jangan paksa lensa.
This image shows the VILTROX 25mm F1.7 Z lens correctly attached to a Nikon Z-series camera body, ready for use.
4.2 Menanggalkan Kanta
- Pastikan kamera anda dimatikan.
- Press and hold the lens release button on your camera body.
- Rotate the lens counter-clockwise until it detaches from the camera mount.
- Immediately attach the rear lens cap to the lens and the body cap to the camera to protect the sensors and lens elements from dust.
4.3 Memasang Tudung Lensa
The included lens hood helps to prevent flare and ghosting caused by stray light entering the lens. Align the lens hood with the front of the lens and twist it until it locks into place. Ensure it is securely attached.
4.4 Kemas Kini Perisian Tegar
The lens features a USB-C port on its mount for firmware updates. Connect the lens to a computer using a USB-C cable and visit the official VILTROX website for the latest firmware and update instructions. Keeping your lens firmware updated ensures compatibility and optimal performance.
This image highlights the metal lens mount and the USB-C port located on the rear of the lens, used for firmware updates.
5. Mengendalikan Lensa
5.1 Autofocus (AF)
The VILTROX 25mm F1.7 Z lens is equipped with an STM stepping motor, providing fast, precise, and quiet autofocus performance. To use autofocus, set your camera's focus mode to AF. The lens supports various AF modes available on your Nikon Z camera, including single-shot AF (AF-S) and continuous AF (AF-C).
The lens is designed to be lightweight and compact, making it easy to handle and operate for extended periods.
5.2 Manual Focus (MF)
To use manual focus, set your camera's focus mode to MF. Rotate the focus ring on the lens to adjust focus. Your camera's focus peaking and magnification features can assist in achieving critical focus.
5.3 Kawalan Apertur
The lens features a bright f/1.7 maximum aperture. Aperture is controlled electronically through your camera body. Adjusting the aperture allows you to control the depth of field and the amount of light entering the lens.
5.4 Focus Breathing
This lens is designed with minimized focus breathing, which means the angle of view remains largely consistent when adjusting focus. This feature is particularly beneficial for video recording, preventing distracting changes in framing.
5.5 Sample Images
6. Penyelenggaraan
6.1 Membersihkan Lensa
- Use a blower brush to remove dust and loose particles from the lens surface.
- For smudges or fingerprints, use a clean microfiber cloth specifically designed for optics, along with a small amount of lens cleaning solution. Apply the solution to the cloth, not directly to the lens.
- Wipe gently in a circular motion from the center outwards.
- Elakkan menyentuh elemen kanta dengan jari anda.
6.2 Penyimpanan
- Sentiasa pasangkan penutup kanta hadapan dan belakang apabila kanta tidak digunakan.
- Simpan kanta di tempat yang sejuk dan kering, jauh dari cahaya matahari langsung dan suhu yang melampau.
- If storing for extended periods, consider using a dehumidifying cabinet or silica gel packets to prevent mold and fungus growth.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Kanta tidak dikenali oleh kamera | Improper mounting; dirty electrical contacts; outdated firmware. | Re-mount the lens securely; clean lens and camera contacts with a dry cloth; check for and install latest firmware. |
| Autofokus perlahan atau tidak tepat | Low light conditions; camera AF settings; dirty lens elements; outdated firmware. | Ensure adequate lighting; check camera AF mode (e.g., switch to AF-S for still subjects); clean lens; update firmware. |
| Imej kabur atau lembut | Incorrect focus; camera shake; dirty lens; shooting at extreme apertures. | Verify focus; use a faster shutter speed or tripod; clean lens; try shooting at f/2.8 or f/4 for optimal sharpness. |
| Lens not focusing in manual mode | Camera still in autofocus mode. | Set camera's focus mode to MF (Manual Focus). |
8. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | 25mmF1.7STM(Z-mount) |
| Panjang Fokus | 25mm (38mm equivalent on APS-C) |
| Apertur Maksimum | f/1.7 |
| Aperture minimum | f/16 |
| Lekapan Lensa | Nikon Z |
| Keserasian Format | APS-C |
| Reka Bentuk Optik | 12 Elements in 10 Groups (including HR, ED, ASPH elements) |
| Motor Fokus Automatik | STM (Motor Melangkah) |
| Jarak Fokus Minimum | 0.3m (1 ft) |
| Saiz Penapis | 52mm |
| Dimensi (Diameter x Panjang) | 2.22 x 2.52 x 2.52 inci (lebih kurang) |
| Berat badan | 180g (6.3 auns) |
| Port Kemas Kini Perisian Tegar | USB-C |
9. Video Produk Rasmi
9.1 VILTROX 25mm f1.7 Z Lens Overview
Video ini memberikan penerangan ringkasview and unboxing of the VILTROX AF 25mm F1.7 Z-Mount lens, demonstrating its compact size and how it attaches to a camera.
9.2 AF 25mm F1.7 Air Z Nikon Half-Frame Humanities Lens Showcase
This video showcases the VILTROX AF 25mm F1.7 Air Z lens, highlighting its features and providing examples of its use in various photographic scenarios, including humanities and street photography.
10. Waranti dan Sokongan
VILTROX products are covered by a limited warranty. For specific warranty terms, registration, and technical support, please refer to the warranty card included in your product packaging or visit the official VILTROX website. If you encounter any issues not covered in this manual, please contact VILTROX customer service for assistance.
Official VILTROX Webtapak: www.viltrox.com
